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51

Structural Study of Copper Oxide Supported on a Ceria-Modified Titania Catalyst System

M.S.P. Francisco, V.R. Mastelaro, A.O. Florentino, D. Bazin

Journal:

Topics in Catalysis

Year:

2002

Language:

english

File:

PDF, 164 KB

english, 2002

52

Synthesis and Characterization of the β-BaB2O4Phase Obtained by the Polymeric Precursor Method

Pérson P. Neves, Lauro J.Q. Maia, Maria I.B. Bernardi, Antônio R. Zanatta, Valmor R. Mastelaro, Sônia M. Zanetti, Edson R. Leite

Journal:

Journal of Sol-Gel Science and Technology

Year:

2004

Language:

english

File:

PDF, 268 KB

english, 2004

53

Influence of Ba-substitution on the structural and ferroelectric properties of Pb 1− x Ba x Zr 0.40 Ti 0.60 O 3 ceramic materials

Mesquita, A., Michalowicz, A., Mastelaro, V.R.

Journal:

Phase Transitions

Year:

2012

Language:

english

File:

PDF, 1.07 MB

english, 2012

54

Local order and electronic structure of Pb1−xLaxZr0.40Ti0.60O3 materials and its relation with ferroelectric properties

Mesquita, A., Michalowicz, A., Mastelaro, V. R.

Journal:

Journal of Applied Physics

Year:

2012

Language:

english

File:

PDF, 695 KB

english, 2012

55

XAS and XRD Structural Characterization of Lanthanum-Modified PbTiO3 Ceramic Materials

Neves, Person P., Doriguetto, Antonio C., Mastelaro, Valmor R., Lopes, Luiz P., Mascarenhas, Yvonne P., Michalowicz, Alain, Eiras, José A.

Journal:

Journal of Physical Chemistry B

Year:

2004

Language:

english

File:

PDF, 219 KB

english, 2004

56

Electronic structure of Pb1−xBaxZr0.65Ti0.35O3 ferroelectric compounds probed by soft x-ray absorption spectroscopy

Eiras, J A, Mastelaro, V R, Neves, P P, Michalowicz, A

Journal:

Journal of Physics Condensed Matter

Year:

2007

Language:

english

File:

PDF, 440 KB

english, 2007

57

Short-range structure of Pb1-xBaxZr0.65Ti0.35O3 ceramic compounds probed by XAS and Raman scattering techniques

Mastelaro, V. R., Mesquita, A., Neves, P. P., Michalowicz, A., Bounif, M., Pizani, P S., Joya, M. R., Eiras, J. A.

Journal:

Journal of Applied Physics

Year:

2009

Language:

english

File:

PDF, 920 KB

english, 2009

58

An improved method for preparation of SrTiO3 nanoparticles

L.F. da Silva, L.J.Q. Maia, M.I.B. Bernardi, J.A. Andrés, V.R. Mastelaro

Journal:

Materials Chemistry and Physics

Year:

2011

Language:

english

File:

PDF, 1010 KB

english, 2011

59

An efficient synthesis route of Na2V6O16·nH2O nanowires in hydrothermal conditions

Waldir Avansi Jr., Cauê Ribeiro, Edson R. Leite, Valmor R. Mastelaro

Journal:

Materials Chemistry and Physics

Year:

2011

Language:

english

File:

PDF, 840 KB

english, 2011

60

22nd International Congress on Glass 2010 (ICG 2010), September 20–25, 2010, Salvador, Bahia, Brazil

Mauro Luciano Baesso, Valmor Roberto Mastelaro

Journal:

Optical Materials

Year:

2011

Language:

english

File:

PDF, 122 KB

english, 2011

61

Optical properties of amorphous, erbium-doped yttrium alumino-borate thin films

L.J.Q. Maia, J. Fick, A.C. Hernandes, V.R. Mastelaro, A. Ibanez

Journal:

Optical Materials

Year:

2012

Language:

english

File:

PDF, 954 KB

english, 2012

62

Synthesis optimization, structural evolution and optical properties of Y0.9Er0.1Al3(BO3)4 nanopowders obtained by soft chemistry methods

L.J.Q. Maia, C.R. Ferrari, V.R. Mastelaro, A.C. Hernandes, A. Ibanez

Journal:

Solid State Sciences

Year:

2008

Language:

english

File:

PDF, 722 KB

english, 2008

63

Structure and optical properties of [Ba1–xY2x/3](Zr0.25Ti0.75)O3 powders

J.C. Sczancoski, L.S. Cavalcante, T. Badapanda, S.K. Rout, S. Panigrahi, V.R. Mastelaro, J.A. Varela, M. Siu Li, E. Longo

Journal:

Solid State Sciences

Year:

2010

Language:

english

File:

PDF, 1.57 MB

english, 2010

64

Cluster Coordination and Photoluminescence Properties of α-Ag 2 WO 4 Microcrystals

Cavalcante, L. S., Almeida, M. A. P., Avansi, W., Tranquilin, R. L., Longo, E., Batista, N. C., Mastelaro, V. R., Li, M. Siu

Journal:

Inorganic Chemistry

Year:

2012

Language:

english

File:

PDF, 869 KB

english, 2012

65

Local structure around Fe ions on multiferroic Pb(Fe1/2Nb1/2)O3 ceramics probed by x-ray absorption spectroscopy

Mesquita, A., Fraygola, B. M., Mastelaro, V. R., Eiras, J. A.

Journal:

Applied Physics Letters

Year:

2012

Language:

english

File:

PDF, 642 KB

english, 2012

66

Structure of the AgAsSe chalcogenide glasses: the AsSeAg2Se line

V. Mastelaro, S. Benazeth, H. Dexpert, A. Ibanez, R. Ollitrault-Fichet

Journal:

Journal of Non-Crystalline Solids

Year:

1992

Language:

english

File:

PDF, 717 KB

english, 1992

67

Structural studies in lead germanate glasses: EXAFS and vibrational spectroscopy

S.J.L Ribeiro, J Dexpert-Ghys, B Piriou, V.R Mastelaro

Journal:

Journal of Non-Crystalline Solids

Year:

1993

Language:

english

File:

PDF, 678 KB

english, 1993

68

Comparative EXAFS study of (Ag2X)y(As2X3)1−y glasses (X = Se or S)

V. Mastelaro, S. Bénazeth, H. Dexpert

Journal:

Journal of Non-Crystalline Solids

Year:

1995

Language:

english

File:

PDF, 500 KB

english, 1995

69

Residual stresses in a soda-lime-silica glass-ceramic

Valmor R. Mastelaro, Edgar D. Zanotto

Journal:

Journal of Non-Crystalline Solids

Year:

1996

Language:

english

File:

PDF, 768 KB

english, 1996

70

Intense blue and green photoluminescence emissions at room temperature in barium zirconate powders

L.S. Cavalcante, J.C. Sczancoski, J.W.M. Espinosa, V.R. Mastelaro, A. Michalowicz, P.S. Pizani, F.S. De Vicente, M.S. Li, J.A. Varela, E. Longo

Journal:

Journal of Alloys and Compounds

Year:

2009

Language:

english

File:

PDF, 1.87 MB

english, 2009

71

Correlating phase and microstructure development versus dielectric properties in La3+ and Er3+ co-doped Bi4Ti3O12 ferroelectric ceramics

Valdeci Bosco dos Santos, Jean-Claude M’Peko, Valmor Roberto Mastelaro

Journal:

Journal of Alloys and Compounds

Year:

2012

Language:

english

File:

PDF, 988 KB

english, 2012

72

Laser induced modification on 40BaO–45B2O3–15TiO2 glass composition

W. Avansi, V.R. Mastelaro, M.R.B. Andreeta

Journal:

Journal of Non-Crystalline Solids

Year:

2006

Language:

english

File:

PDF, 348 KB

english, 2006

73

Thermal properties of barium titanium borate glasses measured by thermal lens technique

C. Jacinto, C.A.C. Feitosa, V.R. Mastelaro, T. Catunda

Journal:

Journal of Non-Crystalline Solids

Year:

2006

Language:

english

File:

PDF, 190 KB

english, 2006

74

Surface modification and crystallization of the BaO–B2O3–SiO2 glassy system using CO2 laser irradiation

W. Avansi, V.R. Mastelaro, M.R.B. Andreeta

Journal:

Journal of Non-Crystalline Solids

Year:

2008

Language:

english

File:

PDF, 437 KB

english, 2008

75

9th International Symposium on Crystallization in Glasses in Liquids (Crystallization 2009), September 10–13, 2009, Foz do Iguaçu, PR, Brazil

Valmor R. Mastelaro, Mark J. Davis, Edgar D. Zanotto

Journal:

Journal of Non-Crystalline Solids

Year:

2010

Language:

english

File:

PDF, 91 KB

english, 2010

76

29Si MAS–NMR studies of Qn structural units in metasilicate glasses and their nucleating ability

J. Schneider, V.R. Mastelaro, H. Panepucci, E.D. Zanotto

Journal:

Journal of Non-Crystalline Solids

Year:

2000

Language:

english

File:

PDF, 285 KB

english, 2000

77

X-ray absorption spectroscopy investigation of Ba2TiSi2O8+xSiO2 glasses

Valmor R. Mastelaro, R. Keding

Journal:

Journal of Non-Crystalline Solids

Year:

2001

Language:

english

File:

PDF, 219 KB

english, 2001

78

Local order around of germanium atoms in Ga10Ge25S65 glass by EXAFS

S.H. Messaddeq, V.R. Mastelaro, A.Y. Ramos, M. Siu Li, D. Lezal, S.J.L. Ribeiro, Y. Messaddeq

Journal:

Journal of Non-Crystalline Solids

Year:

2002

Language:

english

File:

PDF, 212 KB

english, 2002

79

Surface crystallization of β-BaB2O4 phase using a CO2 laser source

Adelaine F Maciente, Valmor R Mastelaro, André L Martinez, Antonio C Hernandes, Carlos A.C Carneiro

Journal:

Journal of Non-Crystalline Solids

Year:

2002

Language:

english

File:

PDF, 155 KB

english, 2002

80

Erratum to ‘Surface crystallization of β-BaB2O4 phase using a CO2 laser source’ [J. Non-Cryst. Solids 306 (2002) 309–312]

Adelaine F Maciente, Valmor R Mastelaro, André L Martinez, Antonio C Hernandes, Carlos A Carneiro Feitosa

Journal:

Journal of Non-Crystalline Solids

Year:

2003

Language:

english

File:

PDF, 40 KB

english, 2003

81

Qn distribution in stoichiometric silicate glasses: thermodynamic calculations and 29Si high resolution NMR measurements

J. Schneider, V.R. Mastelaro, E.D. Zanotto, Boris A. Shakhmatkin, Natalia M. Vedishcheva, Adrian C. Wright, H. Panepucci

Journal:

Journal of Non-Crystalline Solids

Year:

2003

Language:

english

File:

PDF, 344 KB

english, 2003

82

Anisotropic residual stresses in partially crystallized Li2O–2SiO2 glass-ceramics

Valmor R. Mastelaro, Edgar D. Zanotto

Journal:

Journal of Non-Crystalline Solids

Year:

1999

Language:

english

File:

PDF, 183 KB

english, 1999

83

Relationship between short-range order and ease of nucleation in Na2Ca2Si3O9, CaSiO3 and PbSiO3 glasses

Valmor Roberto Mastelaro, Edgar Dutra Zanotto, Nicolas Lequeux, Robert Cortès

Journal:

Journal of Non-Crystalline Solids

Year:

2000

Language:

english

File:

PDF, 162 KB

english, 2000

84

Induction of relaxor state in ordinary ferroelectrics by isovalent ion substitution: A pretransitional martensitic texture case

Lente, M. H., Moreira, E. N., Garcia, D., Eiras, J. A., Neves, P. P., Doriguetto, A. C., Mastelaro, V. R., Mascarenhas, Y. P.

Journal:

Physical Review B

Year:

2006

Language:

english

File:

PDF, 187 KB

english, 2006

85

Inhibition of the Anatase−Rutile Phase Transformation with Addition of CeO 2 to CuO−TiO 2 System: Raman Spectroscopy, X-ray Diffraction, and Textural Studies

Francisco, Maria Suzana P., Mastelaro, Valmor R.

Journal:

Chemistry of Materials

Year:

2002

Language:

english

File:

PDF, 141 KB

english, 2002

86

Structural refinement and photoluminescence properties of irregular cube-like (Ca1−xCux)TiO3 microcrystals synthesized by the microwave–hydrothermal method

L.H. Oliveira, A.P. de Moura, T.M. Mazzo, M.A. Ramírez, L.S. Cavalcante, S.G. Antonio, W. Avansi, V.R. Mastelaro, E. Longo, J.A. Varela

Journal:

Materials Chemistry and Physics

Year:

2012

Language:

english

File:

PDF, 1.69 MB

english, 2012

87

Correlation Between Photoluminescence and Structural Defects in Ca 1+ x Cu 3 − x Ti 4 O 12 Systems

Oliveira, Larissa H., Paris, Elaine C., Avansi, Waldir, Ramirez, Miguel A., Mastelaro, Valmor R., Longo, Elson, Varela, José A., Chen, X. M.

Journal:

Journal of the American Ceramic Society

Year:

2013

Language:

english

File:

PDF, 717 KB

english, 2013

88

Ion-sensing properties of 1D vanadium pentoxide nanostructures

Nirton CS Vieira, Waldir Avansi, Alessandra Figueiredo, Caue Ribeiro, Valmor R Mastelaro, Francisco EG Guimarães

Journal:

Nanoscale Research Letters

Year:

2012

Language:

english

File:

PDF, 283 KB

english, 2012

89

Size-induced diffuse behavior in Pb0.89La0.11Zr0.40Ti0.60O3 nanocrystalline ferroelectric ceramics

Mesquita, Alexandre, Godart, Claude, Michalowicz, Alain, Mastelaro, Valmor R.

Journal:

Solid State Sciences

Year:

2012

Language:

english

File:

PDF, 673 KB

english, 2012

90

SPIE Proceedings [SPIE SPIE NanoScience + Engineering - San Diego, California, USA (Sunday 12 August 2012)] Instrumentation, Metrology, and Standards for Nanomanufacturing, Optics, and Semiconductors VI - Comparison of refractive indices measured by m-lines and ellipsometry: application to polymer blend and ceramic thin films for gas sensors

Wood, Thomas, Le Rouzo, Judikaël, Flory, François, Coudray, Paul, Mastelaro, Valmor R., Pelissari, Pedro, Zilio, Sérgio, Postek, Michael T., Coleman, Victoria A., Orji, Ndubuisi G.

Year:

2012

Language:

english

File:

PDF, 1.51 MB

english, 2012

91

Presence of excited electronic state in CaWO4 crystals provoked by a tetrahedral distortion: An experimental and theoretical investigation

Gracia, Lourdes, Longo, ValeÌria M., Cavalcante, LaeÌcio S., BeltraÌn, Armando, Avansi, Waldir, Li, MaÌximo S., Mastelaro, Valmor R., Varela, JoseÌ A., Longo, Elson, AndreÌs, Juan

Journal:

Journal of Applied Physics

Year:

2011

Language:

english

File:

PDF, 2.26 MB

english, 2011

92

Activity and Characterization by XPS, HR-TEM, Raman Spectroscopy, and BET Surface Area of CuO/CeO 2 -TiO 2 Catalysts

Francisco, Maria Suzana P., Mastelaro, Valmor R., Nascente, Pedro A. P., Florentino, Ariovaldo O.

Journal:

Journal of Physical Chemistry B

Year:

2001

Language:

english

File:

PDF, 454 KB

english, 2001

93

In situ X-ray diffraction studies of phase transition in Pb 1− x La x Zr 0.40 Ti 0.60 O 3 ferroelectric ceramics

Mesquita, A., Mastelaro, V.R., Michalowicz, A.

Journal:

Phase Transitions

Year:

2010

Language:

english

File:

PDF, 289 KB

english, 2010

94

Long-range and short-range structures of cube-like shape SrTiO3 powders: microwave-assisted hydrothermal synthesis and photocatalytic activity

da Silva, Luís F., Avansi, Waldir, Andrés, Juan, Ribeiro, Caue, Moreira, Mário L., Longo, Elson, Mastelaro, Valmor R.

Journal:

Physical Chemistry Chemical Physics

Year:

2013

Language:

english

File:

PDF, 2.18 MB

english, 2013

95

Anisotropic Growth of Oxide Nanocrystals: Insights into the Rutile TiO 2 Phase

Ribeiro, Caue, Vila, Cristiane, Stroppa, Daniel B., Mastelaro, Valmor R., Bettini, Jefferson, Longo, Elson, Leite, Edson R.

Journal:

The Journal of Physical Chemistry C

Year:

2007

Language:

english

File:

PDF, 441 KB

english, 2007

96

Local electronic structure, optical bandgap and photoluminescence (PL) properties of Ba(Zr0.75Ti0.25)O3 powders

Cavalcante, L.S., Batista, N.C., Badapanda, T., Costa, M.G.S., Li, M.S., Avansi, W., Mastelaro, V.R., Longo, E., Espinosa, J.W.M., Gurgel, M.F.C.

Journal:

Materials Science in Semiconductor Processing

Year:

2013

Language:

english

File:

PDF, 2.11 MB

english, 2013

97

Local order of Pb1−xLaxZr0.40Ti0.60O3 ferroelectric ceramic materials probed by X-ray absorption and Raman spectroscopies

Mesquita, A., Michalowicz, A., Pizani, P.S., Provost, K., Mastelaro, V.R.

Journal:

Journal of Alloys and Compounds

Year:

2014

Language:

english

File:

PDF, 950 KB

english, 2014

98

Europium-doped calcium titanate: Optical and structural evaluations

Mazzo, Tatiana Martelli, Pinatti, Ivo Mateus, Macario, Leilane Roberta, Avansi, Waldir, Moreira, Mario Lucio, Rosa, Ieda Lucia Viana, Mastelaro, Valmor Roberto, Varela, José Arana, Longo, Elson

Journal:

Journal of Alloys and Compounds

Year:

2014

Language:

english

File:

PDF, 2.05 MB

english, 2014

99

SPIE Proceedings [SPIE SPIE NanoScience + Engineering - San Diego, California, USA (Sunday 12 August 2012)] Nanostructured Thin Films V - Optical and luminescent properties of CdSe/ZnS and TiO 2 semiconductor quantum dots embedded into PMMA layers

Lin, Hung-Ju, Chen, Yu-Jen, Le-Rouzo, Judikael, Merlen, Alexandre, Avansi, Waldir, Chen, Sheng-Hui, Flory, François, Lee, Cheng-Chung, Mastelaro, Valmor R., Mackay, Tom G., Jen, Yi-Jun, Martín-Palma,

Year:

2012

Language:

english

File:

PDF, 370 KB

english, 2012

100

Novel SrTi1−xFexO3 nanocubes synthesized by microwave-assisted hydrothermal method

da Silva, Luís F., Avansi, Waldir, Moreira, Mário L., Andrés, Juan, Longo, Elson, Mastelaro, Valmor R.

Journal:

Year:

2012

Language:

english

File:

PDF, 1.11 MB

english, 2012