Search Results - "GRANDI, T. A"

High pressure monoclinic phases of Sb2Te3 by Souza, S.M., Poffo, C.M., Trichês, D.M., de Lima, J.C., Grandi, T.A., Polian, A., Gauthier, M.

“…The effect of pressure on nanostructured rhombohedral α-Sb2Te3 (phase I) was investigated using X-ray diffraction (XRD) and Raman spectroscopy (RS) up to 19.2…”
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Structural and vibrational investigations on Ge34Sb66 solid solutions produced by mechanical alloying by Rebelo, Q.H.F., Cotta, E.A., de Souza, S.M., Trichês, D.M., Machado, K.D., de Lima, J.C., Grandi, T.A., Poffo, C.M., Manzato, L.

“…•A Ge34Sb66 solid solution was prepared by mechanical alloying.•X-ray diffraction results indicate complete dissolution of Ge on the Sb matrix.•Raman…”
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Influence of minor oxidation of the precursor powders to form nanocrystalline CdTe by mechanical alloying by Campos, C.E.M., Ersching, K., de Lima, J.C., Grandi, T.A., Höhn, H., Pizani, P.S.

“…Nanocrystalline CdTe was prepared by mechanical alloying using Te and Cd equiatomic powder mixture slightly oxidized due air exposition (6% α-TeO 2 and 10%…”
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Structural instability and photoacoustic study of AlSb prepared by mechanical alloying by Trichês, D.M., Souza, S.M., Poffo, C.M., de Lima, J.C., Grandi, T.A., de Biasi, R.S.

“…High-purity elemental Al and Sb powders were blended with equiatomic composition and submitted to mechanical alloying. For all milling times, the milled…”
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Structural and optical studies of FeSb2 under high pressure by Poffo, C.M., Souza, S.M., Trichês, D.M., de Lima, J.C., Grandi, T.A., Polian, A., Gauthier, M.

“…Nanostructured orthorhombic FeSb2 was formed along with an amorphous phase, by mechanical alloying from a mixture of Fe and Sb powders. The influence of…”
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Structural, thermal, optical and photoacoustic study of nanostructured FeSb2 prepared by mechanical alloying by Poffo, C.M., de Lima, J.C., Souza, S.M., Trichês, D.M., Grandi, T.A., de Biasi, R.S.

“…Mechanical alloying of elemental Fe and Sb powders yielded nanostructured FeSb2, an amorphous phase, along with unreacted Sb. The volume fractions of FeSb2, Sb…”
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Ageing effect on mechanically alloyed ZnTe nanocrystals by Ersching, K., Faita, F.L., Campos, C.E.M., Grandi, T.A., Pizani, P.S.

“…After three years and three months keeping mechanically alloyed Zn 50Te 50 sample and its annealed portion under ambient conditions, these samples were…”
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Photoacoustic study of nanocrystalline silicon produced by mechanical grinding by Poffo, C.M., de Lima, J.C., Souza, S.M., Trichês, D.M., Grandi, T.A., de Biasi, R.S.

“…Mechanical grinding (MG) was used to produce nanocrystalline silicon and its thermal and transport properties were investigated by photoacoustic absorption…”
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Structural study of Cu2−xSe alloys produced by mechanical alloying by Machado, K. D., De Lima, J. C., Grandi, T. A., Campos, C. E. M., Maurmann, C. E., Gasperini, A. A. M., Souza, S. M., Pimenta, A. F.

“…The crystalline structures of the superionic high‐temperature copper selenides Cu2−xSe (0 < x < 0.25) produced using mechanical alloying were investigated…”
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XRD, DSC, MS and RS studies of Fe75Se25 iron selenide prepared by mechano-synthesis by CAMPOS, C. E. M, DE LIMA, J. C, GRANDI, T. A, MACHADO, K. D, DRAGO, V, PIZANI, P. S

“…The structural evolution of an Fe75Se25 powder mixture under ball milling was investigated as a function of milling time. It was followed using the X-ray…”
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Structural studies of iron selenides prepared by mechanical alloying by Campos, C.E.M., de Lima, J.C., Grandi, T.A., Machado, K.D., Pizani, P.S.

“…The structural evolution of a binary alloy with nominal composition Fe 25Se 75 prepared by ball milling was investigated as a function of milling time. The…”
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Structural studies of cobalt selenides prepared by mechanical alloying by Campos, C.E.M, de Lima, J.C, Grandi, T.A, Machado, K.D, Pizani, P.S

“…The structural evolution of a binary mixture with nominal composition Co 25Se 75 prepared by ball milling was investigated as a function of milling time using…”
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Structural and thermal study of nanostructured GaSb alloy prepared by mechanical alloying by de Lima, J.C., Schmitt, M., Souza, S.M., Almeida, T.O., Jeronimo, A.R., Triches, D.M., Grandi, T.A., Campos, C.E.M.

“…The nanostructured cubic GaSb phase was produced after 2 h of milling by mechanical alloying (MA). Structural and thermal properties from the as-milled and…”
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Mössbauer and magnetization studies of Fe25Se75 iron selenides produced by mechanical alloying by CAMPOS, C. E. M, DRAGO, V, DE LIMA, J. C, GRANDI, T. A, MACHADO, K. D, SILVA, M. R

“…Mossbauer and magnetization studies of the Fe25Se75 alloys produced by mechanical alloying were performed in order to access the chemical structure of the iron…”
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Comparison among the local atomic order of amorphous TM-Ti alloys (TM = Co, Ni, Cu) produced by mechanical alloying studied by EXAFS by MADIADO, K. D, DE LIMA, J. C, CAMPOS, C. E. M, GRANDI, T. A

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Structural, thermal and optical studies of Ni3Se2 compound produced by mechanical alloying by Campos, C

“…The Ni3Se2 compound was obtained by mechanical alloying starting from a binary mixture of pure crystalline powders with nominal composition Ni75Se25. X-ray…”
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Study of amorphous Co56Nb22Sn22 alloy prepared by mechanical alloying by Grandi, T.A., De Lima, J.C., Campos, C.E.M., Machado, K.D., Fraga, G.L.F.

“…The Co2NbSn Heusler phase has been extensively studied due to its structural and magnetic properties, mainly because it shows a martensitic transition at 250K…”
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GaSe formation by mechanical alloying Ga50Se50 mixture by CAMPOS, C. E. M, DE LIMA, J. C, GRANDI, T. A, MACHADO, K. D, PIZANI, P. S

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Nucleation and growth of nanocrystalline pyrite nickel diselenide by mechanical alloying by Campos, C.E.M., de Lima, J.C., Grandi, T.A., Machado, K.D., Pizani, P.S., Hinrichs, R.

“…Nucleation and growth of a nanocrystalline cubic NiSe 2 phase was performed by mechanical alloying starting from a binary mixture of elemental powders with…”
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High-pressure studies of mechanical alloyed Ni75Se25 powder mixture by Campos, C E M, de Lima, J C, Grandi, T A, Itie, J P, Polian, A

“…Extended X-ray Absorption Fine Structure and Raman studies were performed to follow the structural and vibrational behavior of mechanical alloyed Ni75Se25…”
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