Publications

2011

SiO₂/SnO₂/Sb₂O₅ microporous ceramic material forimmobilization of Meldola’s blue: Application as an electrochemical sensor for NADH.

Thiago C.Canevari, RitaC.G.Vinhas, RichardLanders, YoshitakaGushikem.

Biosensors and bioelectronics vol 26 2402-2406 .Download Article

Selective Allylic oxidation of Cyclohexene by a Magnetically Recoverable Cobalt Oxide Catalyst.

Silva, F.P. , Jacinto, M.J. , Landers, R. , Rossi, L.M.

Catalysis Letters in press 2010. Download Article

Characterization of ultra-thin films of Pd deposited on Au(111).

A. Pancotti ; P.A.P. Nascente ; de Siervo, A. ; Landers, R. ; Carazzolle, M. F. ; D. A. Tallarico ; Kleiman, G. G.

Topics in Catalysis, in press 2010 Download Article

Ordered oxide surfaces on metals: Chromium oxide.

A. Pancotti ; de Siervo, A. ; Carazzolle, M. F. ; Landers, R. ; Kleiman, G. G.

Topics in Catalysis, in press 2010 Download Article

2010

Observation of ferromagnetism in PdCo alloy nanoparticles encapsulated in carbon nanotubes.

Daniel Bretas Roa, Ingrid David Barcelos, Abner de Siervo, Kleber Roberto Pirota,Rodrigo Gribel Lacerda, and Rogério Magalhaes Paniago .

Applied Physics Letters vol 96(25) 253114-1-253114-4 (2010)Download Article

SiO₂/TiO₂/Sb₂O₅/graphite carbon ceramic conducting material: preparation, characterization, and its use as an electrochemical sensor

Camila M. Maroneze, Rita C. S. Luza, Richard Landers and Yoshitaka Gushikem.

Journal of Solid State Electrochemistry vol 14(1) 115-121Download Article

Synthesis and spectroscopic characterization of polymer and oligomers

of ortho-phenylenediamine.

Ricardo H. Sestrem , Daniela C. Ferreira , Richard Landers, Marcia L.A. Temperini

Gustavo M. do Nascimento.

European Polymer Journal vol 46 484-493 Download Article

Solving the thermal stability problem at yhe HfO2/Si interface with previous N implantation.

M.F. Carazzolle1, , C.R. Flüchter, A. de Siervo, A. Pancotti, D. Weier, M. Schürmann, C.Westphal, R. Landers, and G.G. Kleiman
Journal of Applied Physics vol 107(5) 056101-056101 Download Article

Theoretical study of the heteroepitaxial of Pd on Cu (111), Pd on Ni (111), Ni on Pd(111) and Cu on Pd (111) using the BFS method.

F.R.Negreiros ,E.A.Soares, A. De Siervo,R.Paniago,V.E. de Carvalho and R.Landers

Physical Review B vol 81 (8) 085437-1 – 085437-14 Download Article

H₃PO₄- and H₂SO₄-treated niobic acid as heterogeneous catalyst for methyl ester production

Mendelssom K. de Pietre, M.K.Almeida, L.C.P., Landers, R., Vinhas, R.C.G., Luna, F.J.

Reaction Kinetics and Catalysis Letters vol 99(2) 269-280 Download Article

Niobium oxide dispersed on a carbon–ceramic matrix,SiO2/C/Nb2O5, used as an electrochemical ascorbic acid sensor.

Leliz T.Arenas, PauloC.M.Villis , JacquelineArguello, RichardLanders, Edilson V.Benvenuttib, YoshitakaGushikem.

Talanta vol 83(1) 241-248 . Download Article

Synthesis characterization and electro analytical application of a new SiO₂/SnO₂ carbon ceramic electrode.

Jacqueline Arguello,, HéricaA.Magosso, RichardLanders, Vinicius L.Pimentel, YoshitakaGushikem.

Electrochimica Acta vol 56(1) 340-345 .Download Article

2009

A new ultra-high-vacuum variable temperature and high-magnetic-field X-ray magnetic circular dichroism facility at LNLS.

J. J. S. Figueiredo, R. Basilio, R. Landers, F. Garcia and A. de Siervo

Journal of Synchrotron Radiation vol.16 (3) 346-351 .Download Article

Structural and electrochemical characterization of a cobalt phthalocyanine bulk-modified SiO ₂/SnO₂ carbon ceramic electrode.

Jacqueline Arguello,, Hérica A. Magossoa, Rodrigo R. Ramosa, Thiago C. Canevari Richard Landers, Vinicius L. Pimentel, Yoshitaka Gushikema.

Electrochimica Acta vol 54(7) 1948-1953 Download Article

Preparation of recoverable Ru catalysts for liquid-phase oxidation and hydrogenation reactions.

Marcos J.Jacinto,Osvaldo H.C.F. Santos, Renato F. Jardim.Richard Landers,Liane M.Rossi.

Applied Catalysis A: General vol 360 177-182 Download Article

Single-Wall Carbon Nanotubes Chemically Modified with Cysteamine and Their Application in Polymer Solar Cells: Influence of the Chemical Modification on Device Performance.

Giovanni Conturbia,Rita de Cassia G. Vinhas,Richard Landers, Gustavo M.S.Valente, Vitor Baranauskas and Ana Flavia Nogueira.

Journal of Nanoscience and Nanotechnology vol 9 (10) 5850-5859 Download Article

Preparation of supported Pt(0) nanoparticles as efficient recyclable catalysts for hydrogenation of alkenes and ketones

M.J. Jacinto, R. Landers, L.M. Rossi

Catalysis Communications vol 10 1971–1974 Download Article

On the catalytic hydrogenation of polycyclic aromatic hydrocarbons into less toxic compounds by a facile recoverable catalyst.

Jacinto, M.J., Santos, O.H.C.F., Landers, R., Kiyohara, P.K., Rossi, L.M.

Applied Catalysis B: Environmental vol 90(3-4) 688-692 Download Article

Structure of chemically prepared poly-(para-phenylenediamine) investigated by spectroscopic techniques

Ricardo H. Sestrema, Daniela C. Ferreira a, Richard Landers, Marcia L.A. Temperini Gustavo M. do Nascimento.

Polymer vol 50(25) 6043-6048 Download Article

Acidity control of ruthenium pillared clay and its application as a catalyst in hydrogenation reactions.

F.C.A. Figueiredo , E. Jordão, R. Landers , W.A. Carvalho.

Applied Catalysis A: General vol 371 (1-2) 131-141 Download Article

2008

Crystallographic structure of ultra-thin films of Pd on Ni(111)and Ni on Pd(1 1 1) studied by photoelectron diffraction.

P.A.P. Nascente , M.F. Carazzolle , A. de Siervo, S.S. Maluf,R. Landers, G.G. Kleiman .

Journal of Molecular Catalysis A –Chemical vol 281(1-2) 3-8 .Download Article

Electronic structure and atomic positions of metallic surface alloys.

M.F. Carazzolle, G.G. Kleiman R. Landers , A. Pancotti, A. de Siervo and E.A. Soares.

Journal of Molecular Catalysis A -Chemical vol 281 (1-2) 9-13 .Download Article

Meldola blue immobilized on a new SiO2/TiO2/graphite composite for electrocatalytic oxidation of NADH.

Camila M. Maroneze , Leliz T. Arenas , Rita C.S. Luza, Edilson V. Benvnutti Richard Landers , Yoshitaka Gushikema.

Electrochimica Acta vol 53 (12) 4167–4175 .Download Article

Spectroscopic investigation of conjugated polymers derived from nitroanilines.

Romulo A. Ando, Gustavo M. do Nascimento ,Richard Landers , Paulo S. Santos

Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy vol 69 (2) 319–326 .Download Article

Electrocatalytic applications of a sol-gel derived cobalt phthalocyanine-dispersed carbon-ceramic electrode.

Arguello, J., Magosso, H.A., Landers, R., Gushikem, Y.

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry vol 617(1) 45-52 .Download Article

Thermal treatment effects on the Ru/CeO2 catalysts performance for partial hydrogenation of benzene

Priscila da Costa Zonetti , Richard Landers , Antonio Jose´Gomez Cobo

Applied Surface Science Vol 254(21) 6849-6853.Download Article

New in situ blends of polyaniline and cardanol bio-resins.

Souza Jr., F.G.,Richa, P., De Siervo, A., Oliveira, G.E., Rodrigues, C.H.M., Nele, M., Pinto, J.C.

Macromolecular Materials and Engineering Volume 293, (8),675-683.Download Article

Structure determination of three-dimensional hafnium silicide nano structures on Si(100) by means of X-ray photoelectron diffraction.

C.R. Flüchter A. de Siervo , D. Weier, M. Schürmann , A. Beimborn , S. Dreiner , M.F. Carazzolle ,R. Landers, G.G. Kleiman C. Westphal

Surface Sceince vol 602(24) 3647-3653.Download Article

2007

Investigation of the surface properties and the hydrogen evolution reaction, HER, at thermal rhodium oxide electrodes.

Helder Gouveia, Richard Landers and Julien F.C. Boodts

Electrochmica Acta vol 52(7) 2359-2369 Download Article

Magnetism of epitaxial Fe _x Ni _1-x films on Cu ₉₀ Au ₁₀ (100).

M.D.Martins, P.L.Gatelois, R.Landers and W.A.A. Macedo.

Journal of Magnetism and Magnetic Materials vol 310 - 2274-2276 Download Article

Superparamagnetic nanoparticle-supported palladium: a highly stable magnetically recoverable and reusable catalyst for hydrogenation reactions.

Liane M. Rossi, Fernanda P. Silva, Lucas L. R. Vono, Pedro K. Kiyohara, Evandro L. Duarte, Rosangela Itri, Richard Landers and Giovanna Machado

Green Chemistry vol 9(4) 379-385 Download Article

Electronic and structural properties of implanted xenon in amorphous silicon.

P. F. Barbieri, R. Landers, and F. C. Marques.

Applied . Physics. Letters.vol 90(16)164104-164107 .Download Article

Intial growth of Pd on Ru(0001): A multi-techmique study.

Siervo A. de , Biasi E.,Garcia F., Landers R., Martins M.D., Macedo W.A.

Journal Electron Spectroscopy and Related Phenoma.vol 156-158 .Download Article

Photoelectron diffraction study and structure determination of ultrathin hafnium silicide layers on Silicon(100) using MgK_α radiation and synchrotron light.

C.R. Flüchter, D. Weier, A. de Siervo, M. Schürmann, U. Berges, S. Dreiner, M.F. Carazzolle, R. Landers, G.G. Kleiman, and C. Westphal

Journal Electron Spectroscopy and Related Phenoma.vol 156-158 92-96 .Download Article

Structural and electronic analysis of Hf on Si (111) surface studied by XPS, LEED and XPD.

M.F.Carazzolle,M. Schürmann, C.R. Flüchter, D. Weier, U. Berges, A. de Siervo, R. Landers, G.G. Kleiman, and C. Westphal.

Journal Electron Spectroscopy and Related Phenoma.vol 156-158 - 393-397 Download Article

The effect of alloying on shake-up satellites: the case of Pd in SbPd₂ and InPd₂ surface alloys.

A. Pancotti. M. Carazzolle, R. Landers, A. de Siervo and G.G. Kleiman

Journal Electron Spectroscopy and Related Phenoma.vol 156-158 307-309 Download Article

Surface composition and structure of nickel ultra-thin films deposited on Pd(111)

M.F. Carazzolle, S.S. Maluf, A. de Siervo,P.A.P. Nascente R. Landers , G.G. Kleiman

Journal Electron Spectroscopy and Related Phenomena. vol 156-158 405-408.Download Article

Pd ultrathin film growth on C(0001): Does it show magnetic behavior?

E. De Biasi, A. de Siervo, F. Garcia, F. Vicentin, R. Landers and M. Knobel

Journal Electron Spectroscopy and Related Phenoma.vol 156-158 332-335.Download Article

Electronic structure of xenon implanted with low energy in amorphous silicon

P.F. Barbieri, R. Landers, Jr., M.H. de Oliveira, F. Alvarez and F.C. Marques

Journal Electron Spectroscopy and Related Phenomena, vol 156-158 409-412.Download Article

XPS Investigation of Plasma-Deposited Polysiloxane Films Irradiated with Helium Ions.

Rogerio V. Gelamo, Richard Landers, Francisco P.M. Rouxinol, Benedito C. Trasferetti, Mario A. Bica de Moraes, Celso U. Davanzo and Steven F. Durrant.

Plasma Process Polym Vol 4 482-488.Download Article

Surface Structure Determination of Pd Ultrathin films on Ru(0001):Magnetic Behavior ?.

A. de Siervo E. De Biasi, F. Garcia, R. Landers, M.D.Martins, W.A.A. Macedo.

Physical . Review. B vol 76(7) 075432-1 a 075432-12 Download Article

Phosphoric acid adsorbed on silica-ceria matrix obtained by sol-gel method: Studies of local structure, texture and acid property

Pissetti FL , Fabio L., Francisco MSP , Landers R, Gushikem Y

JournaL of the Brazilian Chemical Society vol 18 (5): 976-983 – 2007. Download Article

2006

Evaluation of copper oxide thin films as electrodes for microbatteries

E.A. Souza, R. Landers, L.P. Cardoso, Tersio G.S. Cruz, M.H. Tabacniks and A. Gorenstein

Journal of Power Sources, Volume vol 155,(2) , 358-363 Download Article

Structural and electrochemical behavior of tungsten oxide obtained by solid state reaction.

E.A.Souza, A.O.Santos,R.Landers,F. Cunha and M.A.Macedo

Solid State Ionics vol 177 (7-8): 697-701.Download Article

Corrosion protection of fluorzirconate glasses coated by a layer of surface modified tin oxide nanoparticles
Hammer P, Rizzato AP, Alvarez F, Landers R, Pulcinelli SH, Santilli CV

Thin Solid Films vol 502 (1-2): 94-98.Download Article

Surface Composition and Structure of Palladium Ultra-thin Films Deposited on Ni(111).

M.F. Carazzolle, S.S. Maluf, A. de Siervo, P.A.P. Nascente, R. Landers, G.G. Kleiman.

Surface Science. Vol 600(11) 2268-2274 2006. Download Article

Cathodic behavior of co-sputtered Cu/V oxides thin films

E.A. Souza, R. Landers, M.H. Tabacniks, L.P. Cardoso and A. Gorenstein

Eletrochimica Acta vol 51(26) - 5885-5891 Download Article

Spectroscopic characterization of polyaniline formed in the presence of montmorillonite clay .

do Nascimento, G.M., Constantino, V.R.L., Landers, R., Temperini, M.L.A.

Polymer vol 47 (17), 6131-6139.Download Article

Hafnium silicide formation on Si(100) upon annealing

A. de Siervo, C.R. Flüchter, D. Weier, M. Schürmann, S. Dreiner, C. Westphal, M.F. Carazzolle, A. Pancotti, R. Landers, and G.G. Kleiman

Physical . Review. B vol 74(7) 075319- 075329.Download Article

Copper–vanadium mixed oxide thin film electrodes

E.A. Souza, A.O. dos Santos, L.P. Cardoso, M.H. Tabacniks, R. Landers and A. Gorenstein

Journal of Power Sources, Vol 162, (1), 8 November 679-684.Download Article

Thin film of copper hexacyanoferrate dispersed on the surface of a conducting carbon ceramic material, SiO2/ZrO2/C-graphite: Characteristics and electrochemical studies

Marafon E, Lucho AMS, Francisco MSP, Landers R Gushikem Y

Journal of the Brazilian Chemical Society vol 17 (8): 1605-1611 Download Article

Structure analysis of the system Hafnium/Silicon(100) by means of X-ray photoelectron spectroscopy and X-ray photoelectron diffraction (XPD).

C.R. Flüchter, A. de Siervo, D. Weier, M. Schürmann, U. Berges, S. Dreiner, M.F. Carazzolle, R. Landers, G.G. Kleiman, and C. Westphal

Materials Science in Semiconductor Processing vol 9 1049-1054 Download Article

Photoelectron spectroscopy (XPS) and photoelectron diffraction (XPD) studies on the system Hafnium silicide and Hafnium oxide on Si(100)

D. Weier, C.R. Flüchter, A. de Siervo, M. Schürmann, S. Dreiner, U. Berges, M.F. Carazzolle, A. Pancotti, R. Landers, G.G. Kleiman, and C. Westphal

Materials Science in Semiconductor Processing vol 9 1055- 1060 Download Article

Amorphous carbon nitrogenated films prepared by plasma immersion ion implantation and deposition.

Elidiane C. Rangel , Steven F. Durrant , Rita C.C. Rangel , Milton E. Kayama Richard Landers , Nilson C. da Cruz .

Thin Solid Films vol 515(4) 1561-1567 Download Article

2005

Growth study of Cu/Pd(111) by RHEED and XPS

A. de Siervo, R. Paniago, E. A. Soares, H.-D. Pfannes, R. Landers,G.G. Kleiman

Surface Science vol 575 217-222 - 2005 Download Article

Electronic Structure Information of Metals and Alloys from Auger and Photoemission.

G.G. Kleiman

Journal of Molecular Catalysis A: Chemical vol 228 137-143 – 2005.Download Article

Photoelectron diffraction studies of Cu on Pd(111) random surface alloys
A. de Siervo, E. A. Soares, R. Landers, and G. G. Kleiman.

Physical Review B 71(11) 115417-115424 – 2005.Download Article

Advances on the Brazilian toroidal grating monochromator (TGM) beamline.

R.L.Cavasso Filho, M.G.P. Homem, R. Landers and A. Naves de Brito.

Journal of Electron Spectroscopy and Related Phenomena vol 144-147 1125-1127 2005.Download Article

Adsorption of phosphoric acid on niobium oxide coated cellulose fiber: Preparation, characterization and ion exchange property

Pavan FA, Francisco MSP, Landers R., Gushikem Y

Journal of the Brazilian Chemical Society vol. 16 (4): 815-820 Download Article

Co (II) porphyrin adsorbed on SiO₂/SnO₂/phosphate prepared by the sol-gel method.

Cardoso WS, Francisco MSP, Landers R, Gushikem Y

Electrochimica Acta vol 50 (22): 4378-4384 aug 10 2005.Download Article

Heterometallic manganese/zinc-phytate complex as a model compound for metal storage in wheat grains

Rodrigues-Filho UP, Vaz S, Felicissimo MP, Scarpellini M, Cardoso DR, Vinhas RCG, Landers R, Schneider JF, McGarvey BR, Andersen ML, Skibsted LH

Journal of Inorganic Biochemistry vol 99 (10): 1973-1982 – 2005. Download Article

Modification of electrode materials for plasma torches

Jankov IR, Szente RN, Goldman ID, Carreno MNP, Valle MA, Behar M, Costa CAR, Galembeck F, Landers R

Surface & Coatings Technology vol 200 (1-4): 254-257 OCT 1 2005. Download Article

2004

The Ion Exchange Properties and Equilibrium Constants of Li ⁺, Na ⁺ and K ⁺ on Zirconium Phosphate Highly Dispersed on Cellulose Acetate Fibers Surface.

Claudemir Adriano Borgo, Angélica M. Lazarin, Yuriy V. Kholin, Richard Landers and Yoshitaka Gushiken.

Journal Brazilian Chemical Society vol 15 (1) 50-57 Download Article

XPS and XAES study of Ag–Pd and Cu–Ni alloys: spectra, shifts and electronic structure information.

P. F. Barbieri , A. de Siervo , M. F. Carazzolle , R. Landers and G. G. Kleiman.

Journal Electron Spectroscopy and Related Phenomena vol 135 113-118 2004.Download Article

Local order structure and surface acidity properties of a Nb₂ O₅ / Si O ₂ mixed oxide prepared by the sol-gel processing method.

Maria Suzana P. Francisco, Richard Landers and Yoshitaka Gushikem.

Journal of Solid State Chemistry 177(7) 2432-2439 - 2004.Download Article

Hot-filament metal oxide deposition (HFMOD): A novel method for depositing thin films of metallic oxides

Rouxinol FP, Trasferetti BC, Landers R, de Moraes MAB

Journal of the Brazilian Chemical Society 15 (2) 324-326 Download Article

Pd growth on Cu(111): stress relaxation through surface alloying?

R. Paniago, A. de Siervo, E. A. Soares, H. -D. Pfannes and R. Landers

Surface Science 560 (1-3) 27-34 – 2004.Download Article

XPS analysis of electronic density of iron tetraazamacrocycle through Fe 2p binding energies on the 3-imidazolilpropyl-modified surface of oxidized n-Si(100)

Andresa JS, Moreira LM, Magalhaes JL, Gonzalez EP, Landers R, Rodrigues-Filho UP

Surface and Interface Analysis 36 (8): 1214-1217 - 2004 .Download Article

Structural study of the Ag(110)c(2x2)-Sb phase by low energy electron diffraction.

V.B.Nascimento, R.Paniago, A. De Siervo, C.M.C. de Castilho, R.Landers E.A. Soares and V.E. de Carvalho.

Surface Science vol 572 337-346 – 2004.Download Article

Surface modification with phosphoric acid of SiO₂/Nb₂O₅ prepared by the sol-gel method: Structural-textural and acid sites studies and an ion exchange model

Francisco MSP, Cardoso WS, Gushikem Y, Landers R, Kholin YV

Langmuir vol 20 (20): 8707-8714 SEP 28 - 2004 .Download Article

Aniline polymerization into montmorillonite clay: A spectroscopic investigation of the intercalated conduct-ling polymer

do Nascimento GM, Constantino VRL, Landers R, Temperini MLA

Macromolecules vol 9373-9385 DEC 14 - 2004 .Download Article

Molybdenum Oxide Thin Films Obtained by the Hot-Filament Metal Oxide Deposition Technique

Mario A. Bica de Moraes, Claudio Trasferetti, Francisco P. Rouxinol, Richard Landers, Steven F. Durrant, Jair Scarmınio

and Alexandre Urbano

Chemistry of Materilas vol 16(3) 513-520 2004.Download Article

2003

Effects of Electron Hole Excitations in ion-surface collisions.

R.T.Pepino and G.G.Kleiman

Solid State Communications vol 126 235-239Download Article

Influence of the Deposition Method on the Morphology and Elemental Composition of Sn O₂ Flms for Gas Sensing: Atomic Fprce and X-Ray Photoemission Spectroscopy Analysis.

C.Bittencourt, , E.Llobet R.Landers, L. Nieto, K.O.Vicaro, J.E. Sueiras J. Calderer and X.Correig.

Sensors and Atuators B-Chemical 92 (1-2): 67-72 Download Article

The Ion Exchange Properties and Equilibrium Constants of Li ⁺, Na ⁺ and K ⁺ on Zirconium Phosphate Highly Dispersed on Cellulose Acetate Fibers Surface.

Claudemir Adriano Borgo, Angélica M. Lazarin, Yuriy V. Kholin, Richard Landers and Yoshitaka Gushiken.

Journal Brazilian Chemical Society vol 15 (1) 50-57 .Download Article

2002

The effects of Oxygen Partial Pressure and Annealing Temperature on the Formation of Sputtered WO3 Films: Implications for the selective detection of Ammonia.

C. Bittencourt, R. Landers, E. Llobet, G. Molas, X.Correig, J.E. Sueiras and J. Calderer

Journal of Electrochemical Society vol. 149(3) H81-H86 . Download Article

Photoelectron Diffraction from Random Surface Alloys Critique of Calculational Methods.

E.A.Soares, A. de Siervo, R.Landers and G.G.Kleiman

Surface Science Vol 497/1- 3, pp 205-213 . Download Article

Pd on Cu(111) Studied by Photoelectron Diffraction

A. de Siervo, E.A. Soares, R.Landers, T.A.Fazan, J.Morais and G.G.Kleiman

Surface Science vol 504C 215-222 . Download Article

Surface chemistry of iron tetraazamacrocycle on the aminopropyl-modified surface of oxidized n-Si(100) by AFM and XPS.

Janildo L. Magalhães, Leonardo M. Moreira, Ubirajara P. Rodrigues-Filho, Martha J. Giz, Marcelo A. Pereira-da-Silva, Richard Landers, Rita C.G. Vinhas and Pedro A. P. Nascente.

Surface Interface Analysis vol. 33(4) 293-298 . Download Article

Friction coefficient measurements by LFM on DLC films as function of sputtering deposition parameters.

Santos L.V., Trava-Airoldi V.J., Corat E. J. , Koshun I, Massi M., Prioli R. and Landers R.

Diamond and Related Materials vol. 11(3-6) 1135-1138 . Download Article

The Role of Oxygen Partial Pressure and annealing Temperature on the formation of W=O bonds in thin WO3 films

C.Bittencourt, R.Landers, E.Llobet, X. Correig and J.Calderer

Semiconductor Science Technology 17 (2002) 522-525 .Download Article

Surface and Morphological Characterization of Ploy[styrene-co-(Boc-p-aminostyrene)] Microspheres.

Vera L. Covolan, Pedro L.O. Volpe, Sandra G.C. de Castro, Richard Landers, Elizabeth G. Fernandes and Giacomo Ruggeri.

Macromolecular Chemistry.and Physics. Vol. 203(10/11) 1454-1459 .Download Article

Micro-and nanocomposites of Keggin heteropolymetalates in cellulose esters

Oliveira FD, Schneider J, Siervo A, Landers R, Plepis AMG, Pireaux JJ, Rodrigues UP

Surface and Interface Analysis 34 (1): 580-582 . Download Article

Electronic structure of Sr₂FeMoO₆

Moreno MS, Gayone JE, Abbate M, Caneiro A, Niebieskikwiat D, Sanchez RD, de Siervo A, Landers R, Zampieri G

Physica B Condensed Matter 320 (1-4): 43-46 . Download Article

Determinationof the Affinity Constants of FeCl₃, CuCl₂ and ZnCl₂ for a Nitrogen-Containing Organosilane Bonded on Al₂O₃-Celluose Acetate Hybrid Material Surface from Ethanol Solution.

Angélica M. Lazarin, Richard Landers, Yuri V. Kholin and Yoshitaka Gushikem

Journal of Colloid Interface Science.vol. 254 31-38 Download Article

High Resolution Auger Spectroscopy of 4d Metals and Alloys.

G.G.Kleiman

Journal Electron Spectroscopy and Related Phenomena vol 127(1-2) 53-63 .Download Article

A new approach to Auger and quasi-resonant processes in ion–surface collisions

R.T. Pepino, G.G. Kleiman

Solid State Communications vol. 124(9) 317-321 .Download Article

Synthesis of polymer films by an electron emission CVD technique.

Jianjun Wang, Mario A. Bica de Moraes, Richard Landers and Benedito C. Trasferetti.

Plasmas and Polymers vol 7(3) 227-244 .Download Article

2001

Complete Screening and Quasi-Atomic MVV Double Auger Lineshapes.

A. de Siervo, R.Landers and G.G.Kleiman

Physical Review Letters vol 86(7) 1362-1365 . Download Article

Electrochromism in lithiated nickel oxide films deposited by rf sputtering.

A.Urbano, F.F.Ferreira, S.C. de Castro, R.Landers, M.C.A.Fantini and A.Gorenstein.

Electrochimica Acta vol 46 (13-14)2269-2273 .Download Article

Quasi-Atomic MVV Auger Spectra of Pd Metal: Cascade Process.

A. de Siervo, R.Landers, M.F. Carazzolle, J.Morais and G.G.Kleiman

Journal Electron Spectroscopy and Related Phenomena vol 114-116 679-682 Download Article

Photoemission from Pt(111)-(hex)-Rb and Pt(111)-(4x1)-RbO

J. Morais, A. Oelsner, G.Schönhense, G. H. Fecher, R. Landers, A. de Siervo and G.G. Kleiman

Journal Electron Spectroscopy and Related Phenomena vol 114-116 345-350 Download Article

X-Ray Absorption and XPS Study of Titanium Mixed Oxides Synthesized by the Sol-Gel.

José E. Gonçalves, Aline Y. Ramos, Maria C. M. Alves, Sandra C. Castro Yoshitaka Gushikem.

Journal Electron Spectroscopy and Related Phenomena vol. 114-116 307-311 Download Article

Characterization of diamond fluorinated by glow discharge plasma treatment.

Durrant SF,Baranauskas V.,Peterlevitz A.C., de Castro S.C.,Landers R., de Moraes M.A.B.

Diamond and Related Materials vol. 10(3-7) 490-495 Download Article.

Electronic structure of Li_xNiO_y thin films

Urbano, A; deCastro, Sandra C. ;. Landers, R. ; Morais, J. ; Siervo, A. D.; Gorenstein. ,A ; Tabacniks, M.H.; Fantini, M.C.A

Journal of . Power Sources, vol. 97-98 328-331 Download Article

Microanalysis of the surfaces of natural iron-based minerals by means of synchrotron radiation based experimental techniques.

O.Schimidt,T.A.Fazan, J.Morais and G.H.Fecher

Surface Science vol 482-485 568-573 Download Article

Fe and Mo valences in Sr ₂ FeMoO ₆

M.S.Moreno, J.E.Gayone, M.Abbate, A.Caneiro, D. Niebieskikwiat, R.D. Sanches, A. de Siervo, R.Landers and G. Zampieri

Solid State Communications 120 161-164 .Download Article

Sample Preparation Method for Microscopy Scanning Force.

I.R. Jankov, R.N. Szente, L.D. Goldman, M.N.P.Carreno, J.W. Swart and R. Landers

Brazilian Journal of Physics vol 31(4) 552-561 (2001)

2000

Analysis of Be doping of InGaP lattice matched to GaAs

J.Bettini, M.M.G. de Carvalho, M.A.Cotta, M.A.A.Pudensi, N.C. Frateschi, A.Silva Filho, L.P. Cardoso and R.Landers

Journal Crystal Growth vol 208 65-72 Download Article

Aluminium oxide grafted on silica gel surface: Study of the thermal stability, structure and surface acidity.

L.L.L. Prado, P.A.P. Nascente, S.C. de Castro and Y. Gushikem

Journal of Materials Science vol 35(2) 449-453Download Article

UPS of a-Si:H <Er>: What is the energy of the Er 4f states?

Leandro R.Tessler,Cínthia Piamonteze, Ana Carola Iñiguez,Abner de Siervo, Richard Landers and Jonder Morais.

Material Research Society Symposium Proceedings Vol 609 A11.1.1-A11.1.6

Properties of titanium oxide films obtained by PECVD

Nilson C. da Cruz, Elidiane C.Rangel, Jianjun Wang, Benedito C. Trasferetti

Celso U. Davanzo, Sandra G. C. Castro, Mário A. B. de Moraes

Surface and Coatings Technology 126 123-130Download Article

Antimony(III) Oxide Film on a Cellulose Fiber Surface: Preparation and Characterization of the Composite

Eduardo A. Toledo, Yoshitaka Gushikem, and Sandra C. de Castro

Journal of Colloid and Interface Science 225, 455-459 Download Article

XPS study of the state of iridium, platinum, titanium and oxygen in thermally formed IrO₂+TiO₂+PtO_x films

Da Silva LA, Alves VA, de Castro SC, Boodts JFC

Colloids and Surfaces A-Physicochemical and Engineering Aspects 170: (2-3) 119-126Download Article

Cellulose aluminium oxide coated with organofunctional groups containing nitrogen donor atoms

Lazarin AM, Gushikem Y, de Castro SC

Journal of Materials Chemistry 10: (11) 2526-2531 2000Download Article

Silica-zirconia-phosphate composites: a study of their synthesis, proton exchange capacity and ammonia gas adsorption

Alfaya AAS, Gushikem Y, de Castro SC

Microporous and Mesoporous materials 39: (1-2) 57-65Download Article

Lithium Insertion and Electrochromism in Polycrystalline Molybdenum Oxide Films

F.F. Ferreira, Tersio G. Souza Cruz, M.C.A. Fantini M.H. Tabacniks, Sandra C. de Castro Jonder Morais, Abner de Siervo, Richard Landers and A. Gorenstein

Solid State Ionics Diffusion & Reactions vol. 136-137 357-363 Download Article

1999

Preparation and characterization of glass-ceramic materials in the BaO-Li₂O-O-ZrO₂-SiO₂ system and their dependence on treatment temperatures.

Cristian Berto da Silveira, Silvia Denofre de Campos, Sandra C. de Castro and Yoshio Kawano.

Materials Research Bulletin Vol 34(10/11) 1661-1671 .

Nitrogenated diamond produced by introducting ammonia into the gas feed in hot-filament CVD.

Vitor Baranauskas, Steven F. Durrant, Marcelo C.Tosin, Alfredo C. Peterlevitz, Bin Bin Li and Sandra G. Castro.

Thin Solid Films Vol 355-356 157-161 Download Article

LMM and LMN Auger Transitions of 4d Metals: Comparison of Experiment and Theory.

A. deSiervo, R. Landers, G.G. Kleiman, S.C. de Castro and J. Morais.

Journal of Electron Espectroscopy and Related Phenomena 103 751-755 Download Article

Electrochromism in MoO_x Films Characterized by X-Ray Electron Spectroscopy

T.G.S.Cruz, A. Gorenstein, R. Landers, G.G. Kleiman, S.C. deCastro

Journal of Electron Spectroscopy and Related Phenomena 103 397-400 Download Article

Photon Energy and Core Hole Lifetime Dependences of Ag High Energy Auger Satellites.

J. Morais, A. de Siervo, R. Landers, S.C. de Castro and G.G. Kleiman

Surface Science, 435 878-881 Download Article

Line Shape Variations of Ag Auger Shake-up Satellites Outside the Resonance Regime

J. Morais, A. de Siervo, R. Landers, S.C. de Castro, M. Abbate and G.G. Kleiman

Journal of Electron Spectroscopy and Related Phenomena 103 661-664 Download Article

Oxygen-Induced Changes in Electron-Energy-Loss Spectra For Al, Be and Ni

H.H. Madden, R. Landers, G.G. Kleiman and D.M. Zehner

Journal of Vacuum Science and Technology 17(5) 2719-2730 Download Article

Core-Level Auger Spectroscopy of the 4d Metals

G.G. Kleiman

Journal. Electron Spect. and Related Phenom. 100 17-34 Download Article

L 2,3 M 2,3 X Auger Transitions of Ag, In, Sn and Sb: Experiment and Theory.

A. de Siervo, R. Landers, G.G. Kleiman, S.G.C. de Castro and J. Morais

Physical Review B vol 60(23) 15790-15798 Download Article

1998

Measurement of the 2p XPS Spectra of 4d Metals: Nb to Sb.

A. de Siervo, R. Landers, S.C. de Castro and G.G. Kleiman

Journal of Electron Spectroscopy 88-91, 429-433 Download Article

Energy Shifts and Electronic Structure Changes in Alloys: An Unfulfilled Promise?

G.G. Kleiman and R. Landers

Journal of Electron Spectroscopy 88-91, 435-440 Download Article

"Characteristic Losses in Metals: Al,Be and Ni".

H.H. Madden, R. Landers, G.G. Kleiman and D.M. Zehner.

Journal of Vacuum Science and Technology A, vol 16(4) 2595-2603 Download Article

L_1,2,3 M_4,5M_4,5 Auger Satellites of the 4d Metals: Shake-up or Coster-Kronig?

R. Landers, A Siervo, S.C. de Castro, and G.G. Kleiman.

Journal Electron Spectrosocpy and Related Phenomena, 93, 221-225 Download Article

High Resolution LMN and LMM Auger Spectra of Pd, Ag, In, Sn and Sb

R. Landers, S.G.C. de Castro, A. de Siervo and G.G. Kleiman

Journal of Electron Spectrosocpy and Related Phenomena,94, 253-257Download Article

High Energy Auger Line Shapes of Pd and Rh: Experiment and Theory

G.G. Kleiman, R. Landers, S.G.C. de Castro and A. de Siervo.

Physical Review B, 58, 16103-16109 Download Article

1997

Adsorption of Plasma Proteins to DMAA Hydrogels Obtained by Ionizing Radition and its relationship with Blood Compatibility.

Álvaro A.A. de Queiroz, Sandra C. Castro and Olga Z. Hig.

Journal of Biomater Science . Edn, Vol. 8, (NP5) , 335-347

Thermodynamic analysis of the surface of biomaterials

deQueiroz AAA, Barrak ER, de Castro SC

Theochem-Journal of Molecular Structure vol 394: (2-3) 271-279Download Article

Effect of Rapid Thermal Annealing on The Microstructure and Electrical Characteristics of Au/Ni/Au/Ge/Ni Multilayers Deposited on n-InGaAs.

J. Morais, T.A. Fazan, R. Landers, R.G. Pereira, E.A.S. Sato and W. Carvalho Jr.

Journal of Vacuum Science & Technology vol B 15(6)1983-1986 Download Article

Structural and Optical Properties of Amosphous Hydrogenated Fluorinated Carbon Films Produced by PECVD”

S.F. Durrant, S.C. de Castro, L. Bolivar-Marinez, D.G. Galvão e M.A. Bica de Moraes.

Thin Solid Films vol 304(1-2) 149-156Download Article

Structural and Optical Properties of Plasma-deposited Amorphous Hydrogenated Oxygenated Carbon Films.

S.F. Durrant, R.T. de Oliveira, S.C. de Castro, L.E. Bolivar-Marinez, D. S.Galvão, M.A. Bica de Moraes.

Journal of . Vacuum Science and Technology . A vol 15(3) 1334-1339 Download Article

1996

Preparation and Characterization of Niobium Oxide Coated Cellulose Fiber.

E.A.Campos, Y.Gushikem,M.C.Gonçalves,S.C de Castro.

Journal of . Colloid Interface Science 180(2), 453-459 Download Article

XPS Study of Non-Stoichiometric Amorphous Germanium GeN Alloys (a-GeN_x, 0 x £ 0£.3)

A.R. Zanatta, R.Landers. S.G.C. de Castro, G.G.Kleiman and I.E.

Chambouleyron.

Proceedings of the of Eighth Latin American Congress on Surface Science and its Applications 378,I, 305-309.

Spectroscopic and Microscopic Studies of Amorphous Nitrogenated Carbon Films Deposited by PECVD Following Annealing.

S.F. Durrant, N. Marçal, S.G.C. de Castro, R.C.G. Vinas, J.H.Nicola, N.A.Parizotto, V. Baranauskas and M.A.B. de Moraes.

Proceedings of the of Eighth Latin American Congress on Surface Science and its Applications 378 .

The FeSbO4 - Phase Formed on the Sb(V) Grafted Silica Gel Surface.

C.V. Davanzo, Y. Gushiken, S.C. de Castro, E.V. Benvenutti and A. Vasquez.

Journal of the Chemical Society-Faraday Transactions. 92(9) 1569-1572 .

Surface Morphologies of Be-doped homoepitaxial InP Films.

M.A. Cotta, M.M.G. de Carvalho, M.A.A. Pudensi, K.M.I. Landers, C.F. de Souza, R.B.Martins, R. Landers and O. Teschke.

Journal of Crystal Growth, 164 (1-4), 409-414 Download Article

Shake-up Satellites in High Energy Auger Spectra of the 4d Metals.

G.G.Kleiman, R.Landers and S.G.C. de Castro.

Surface Science, 357-358 (1-3) 251-254 Download Article

Fluorine-containing Amorphous Hydrogenated Carbon Films

Steven F. Durrant, R Landers, G.G.Kleiman, Sandra C.de Castro and Mário A.B.de Morais.

Thin Solid Films 281-282 ,294-297 Download Article

Composite Membranes of Cellulose Acetate and Zirconium Dioxide:

Preparation and Study of Physicochemical Characteristcs.

U.P. Rodrigues-Filho, Y.Gushikem, M.C. Gonçalves,R.C.Cochichi and S.C.de Castro.

Chemistry of Materials.,8,n°.7 ,1375 -1379 Download Article

Shake-up Processes in Auger Spectroscopy of Ag,Pd,Rh,Mo and Nb

G.G.Kleiman, R. Landers and S.G.C. de Castro.

Proceedings of the of Eighth Latin American Congress on Surface Science and its Applications, 378, 65-69

Charge Transfer and Relative Fermi Energies in Pd Based Alloys.

G.G.Kleiman, R.Landers and S.G.C. de Castro.

Proceedings of the of Eighth Latin American Congress on Surface Science and its Applications, 378, 28-33

Structural and Optical Properties of AlInAs/InP and GaPSb/InP Type-II Interfaces.

M. Sacilotti, P. Abraham, M. Pitaval, N. Ambri, T. Benyattow, A. Tabata, M. A. Garcia Perez, R. Masut, J.Brebner, P. Motisuke, R. Landers, J. Morais, N. Furtado, L. Horiuchi, A. de Covie and S. Lowaliche.

Canadian Jounal of Physics vol 74(5-6): 202-208 Download Article

Amorphous Hydrogenated Fluorinated Carbon Films Produced by PECVD.

Durrant, S.F., Rangel, E.; Da Cruz, N; De Castro, S.C.; De Moraes, M.A.B.

Surface and Coatings Technology vol 86-87, 443-448 (1996)Download Article

Amorphous Oxigen- Containing Hidrogenated Carbon Films Formed by PECVD.

S.F. Durrant, S.G.de Castro, J.I. Cisneros, N.C. da Cruz and, M.A. Bica de Moraes.

Journal of . Vacuum Science and Technology. A.14 (1) 118-124 Download Article

Ohmic Contacts Formation on n-InP

J.Morais, T.A. Fazan, R. Landers and E.A.S. Sato.

Journal Applied Physics 79(9), 7058-7061 Download Article

1995

Mechanisms of Polymer Film Deposition From RF Discharges of Acetylene, Nitrogen and Helium Mixtures.

Durrant, S.F.; N. Marçal, S.G.C. de Castro, R.C.G.Vinhas, M.A. Bica de Morais and J.H. Nicola.

Thin Solid Films, 259, 139-145 Download Article

High Energy Auger Satellites of the 4d Transition Metals.

R.Landers, G.G.Kleiman and S.G.C. de Castro.

Journal of Electron Spectroscopy and . Related . Phenomena,72,211-215Download Article

Core Hole Screening and Electronic Structure Information

G.G.Kleiman, R.Landers and S.G.C. de Castro.

Journal of Electron Spectroscopy and . Related . Phenomena,72, 199-203 Download Article

Study of Amorphous Germanium-Nitrogen Alloys Through X-Ray Photoelectron and Auger Electron Spectroscopies.

A.R.Zanatta,R.Landers,S.G.C.deCastro,G.G.Kleiman,I.E.Chambouleyron and M.L. Grilli.

Applied Physics Letters,66 (10), 1258-1260 Download Article

Hyghly Dispersed Titanium (IV) on Celulose Surface. A XPS, SEM and XRD Study.

Lindomar R.D. da Silva, Y. Gushikem, Maria do carmo Gonçalves, Ubirajara, P. Rodrigues Filho and Sandra C. de Castro.

Journal of . Applied Polimery. Science 58(10) 1669-1673 (1995).Download Article

Spectator Vacancy Contributions to the L 2,3 M 4,5 M 4,5 Auger Spectra of Pd and Rh: Satellites as Images of the Main Spectrum"

R. Landers, G.G. Kleiman and S.G.C. de Castro

Journal of Electron Spectroscopy and . Related . Phenomena.76, 345-349 Download Article

The Effect of Final State Screening Changes on Alloy Energy Shifts

G.G. Kleiman and R. Landers

Journal of Electron Spectroscopy and . Related . Phenomena.,76, 319-323 Download Article

High-Resolution Auger Spectroscopy Applied to Metals and Alloys

G.G. Kleiman

Physica Status Solidi B 192, 503-517 (1995)

Be Films e incorporation and Surface Morphologies in Homoepitaxial InP.

M.A. Cotta, M.M.G. de Carvalho, M.A.A. Pudensi, K.M.I. Landers, C.F. de Souza, R. Landers and O. Teschke.

Applied Physics. Letters, 67(8), 1122-1124 Download Article

1994

Shake-up Satellite Structure of Transition Metal Auger Spectra: L 4.5 M 4,5 M 4,5 Spectra of the 4d Metal.

G.G. Kleiman, R. Landers and S.G.C. de Castro

Journal of Electron Spectroscopy and . Related . Phenomena. 68, 329 Download Article

Noble Metal Auger Spectroscopy as a Probe of Electronic Structure: Mapping Fermi Energies in Trimetallic Alloys.

R. Landers, S.G.C. de Castro and G.G. Kleiman

Journal of Electron Spectroscopy and . Related . Phenomena 68, 145 Download Article

L 2,3 M 4,5 M 4,5 X-Ray Excited Auger Electron Spectra of Ag

G.G. Kleiman, R. Landers and S.G.C. de Castro

Physics. Review. B 49(4) , 2753 -2760 Download Article

Effect of Plasma Etching, Carbon Concentration and Buffer Layer on the Quality of a-SiC :H Multilayers.

E.L. Velasquez, M.C.A. Fantini, M.N.P. Careno, I. Pereyra, H. Takahashi and R. Landers.

Journal of Applied. Physics. Vol. 75 (1) 543- 548 Download Article

Ion Induced Composition Changes on (110) InP Clived Surface.

J. Morais, T.A. Fazan and R. Landers.

Physics Status Solid A, Vol. 141, K19-K21 (1994).

UHV and Electrochemical Studies of the Surface Properties of Ru + Pt + Ti Mixed Oxide Electrodes.

T.A.F. Lasali, J.F.C. Boots, S.G.C. de Castro, R. Landers and S. Trasali.

Eletrochimical Acta Vol 39 (1) 95-102 (1994).Download Article

Microvoids in Diamond Like Amorphous Silicon Carbide.

M.N.P. Careno, I. Pereyra, M.C.A. Fantini, H. Takahashi and R. Landers.

Journal of Applied . Physics. Vol 75 (1) 538-542 Download Article

Zirconium Dioxide Supported on - Cellulose: Synthesis and Characterization.

U.P. Rodrigues Filho, Y. Gushikem, F. Fujiwara, S.G.C. de Castro,I.C.Torriani, and L.P. Cavalcanti.

Langmuir,10,4357-4360 (1994).

1993

R.F. Sputtered Cobalt Oxide Coating: Structural Optical and Electrochemical Characterization.

W. Estrada, M.C.A. Fantini, S.G.C. de Castro, C.N. Polo da Fonseca and A. Gorestein.

Journal of Applied. Physics. Vol. 74 (9) 5835-5841l Download Article.

Electronic Structure of Metallic Alloys Through Auger Electron Spectroscopy

G.G. Kleiman

Journal of . Physics. Condensed Matter 5, A167 (1993).

Core Level Auger Energy Shifts in Palladium Alloys

G.G. Kleiman, R. Landers, S.G.C. de Castro and P.A.P. Nascente

Surface Science. 287/288, 794 Download Article

Bremsstrahlung - Excited LMN and LMM Auger Spectra of Nb, Mo, Pd, and Ag

R. Landers, P.A.P. Nascente, S.G.C. de Castro and G.G. Kleiman

Surface Science. 287/288, 802 Download Article

L₃M₄₅M₄₅ Auger Transitions and Screening Mechanisms in the 4d Metals

G.G. Kleiman, R. Landers, P.A.P. Nascente and S.G.C. de Castro

Surface Science. 287/288, 798 Download Article

Silver High Energy Auger Transitions

R. Landers, S.G.C. de Castro and G.G. Kleiman

Surface Science Spectra 2, 177 (1993).

Optical Characterization of InP/InAlAs/InP Interfaces Grown by MOVPE.

T. Benyattou, M.A. Garcia, S. Monéga, A. Tabata, M. Sacilotti, P. Abraham, Y. Monteil and R. Landers.

Applied Surface Science 63, 197 Download Article

Optical Studies of InP/InAlAs/InP Interface Recombinations

P. Abraham, Y. Monteil, M.A. Sacilotti, T. Benyattou, A.M. Garcia, S. Monéger, A. Tabata, R. Landers, J. Morais and M. Pitaval.

Applied Surface Science 65/66, 777-783Download Article

Depth Resolution for AES-Sputter Profiles of GaAs/GaInAs Strained Superlattices.

J. Morais, T.A. Fazan and R. Landers.

Applied. Surface Science., 72(2) 171-174 Download Article

A Study of Thin Aluminum Films on Tin.

R.A. Douglas, A.C. Peterlevitz and R. Landers.

Thin Solids Films 228(1-2) 162-164 Download Article

Au and Au-Zn Contacts on p-GaSb and the Characteristics of the Interfaces.

J.C. Galzerani, A.M. Oyama, P.S. Pizani, R. Landers, S.L. Morelhão and L.P. Cardoso.

Materials Science and Engineering B(20) 328-331, (1993).