Chemical Substitution in Ba(Ln1/2Nb1/2)O3 (Ln: La, Nd, Sm, Gd, Tb, and Y) Microwave Ceramics and Its...

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2006 IR and Raman spectra D 6530 Chemical Substitution in Ba(Ln 1/2 Nb 1/2 )O 3 (Ln: La, Nd, Sm, Gd, Tb, and Y) Micro- wave Ceramics and Its Influence on the Crystal Structure and Phonon Modes. — The title microwave ceramics are characterized by Raman spectroscopy. The mate- rials can be grouped in two different structures: tetragonal for Y-, Tb-, and Gd-contain- ing compounds, and orthorhombic for Sm-, Nd-, and La-based materials. The tetrago- nal ceramics exhibit 9 active bands, whereas the orthorhombic ones present 23 vibra- tional modes when fitted by a sum of Lorentzian curves. The position and width of the phonon modes are determined and correlated to the ionic radii and tolerance factors for the different atoms substituted in the B'-site. — (DIAS, A.; KHALAM, L. A.; SEBASTIAN, M. T.; PASCHOAL, C. W. A.; MOREIRA*, R. L.; Chem. Mater. 18 (2006) 1, 214-220; Dep. Fis., Univ. Fed. Minas Gerais, 30161 Belo Horizonte, Minas Gerais, Brazil; Eng.) — W. Pewestorf 12- 008

Transcript of Chemical Substitution in Ba(Ln1/2Nb1/2)O3 (Ln: La, Nd, Sm, Gd, Tb, and Y) Microwave Ceramics and Its...

Page 1: Chemical Substitution in Ba(Ln1/2Nb1/2)O3 (Ln: La, Nd, Sm, Gd, Tb, and Y) Microwave Ceramics and Its Influence on the Crystal Structure and Phonon Modes.

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IR and Raman spectraD 6530 Chemical Substitution in Ba(Ln1/2Nb1/2)O3 (Ln: La, Nd, Sm, Gd, Tb, and Y) Micro-

wave Ceramics and Its Influence on the Crystal Structure and Phonon Modes. — The title microwave ceramics are characterized by Raman spectroscopy. The mate-rials can be grouped in two different structures: tetragonal for Y-, Tb-, and Gd-contain-ing compounds, and orthorhombic for Sm-, Nd-, and La-based materials. The tetrago-nal ceramics exhibit 9 active bands, whereas the orthorhombic ones present 23 vibra-tional modes when fitted by a sum of Lorentzian curves. The position and width of the phonon modes are determined and correlated to the ionic radii and tolerance factors for the different atoms substituted in the B'-site. — (DIAS, A.; KHALAM, L. A.; SEBASTIAN, M. T.; PASCHOAL, C. W. A.; MOREIRA*, R. L.; Chem. Mater. 18 (2006) 1, 214-220; Dep. Fis., Univ. Fed. Minas Gerais, 30161 Belo Horizonte, Minas Gerais, Brazil; Eng.) — W. Pewestorf

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FAFZINE o3

FAFZINE o3

Electron phonon superconductivity

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O3 - Pirus

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MICROSCOPIC STUDIES ON TWO-PHONON GIANT …faculty.tamuc.edu/cbertulani/cab/papers/PRep_321_1999_139.pdfMICROSCOPIC STUDIES ON TWO-PHONON ... Microscopic studies on two-phonon giant

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lFl~..:ln1~ : ~~~elmt1ru~IJ~tJnn1'H~tI'Ult1~bbmaJ , , PLC ...

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KATA LOGO Chemie - C H O - Matrix · C O3 CO3 2- Carbonat-Anion Salze von H2CO3, ... C O3 Ba Ba C O3 Bariumcarbonat Unlösliches Karbonat, Rattengift, Zement fest C O3 Ca Ca C O3

NORTH N1 CAMPUS O3 - University of Connecticut · jorgensen center bookstore admissions werth residence tower. north campus. n1 n3 n2 n4 n1 o3 o3 o3 o3 h2 c4 h1 c2 o2 c6 o3 c7 h3

NORTH N1 CAMPUS O3 - University of Connecticut · jorgensen center bookstore admissions werth residence tower. north campus. n1 n3 n2 n4 n1 o3 o3 o3 o3 h2 c4 h1 c2 o2 c6 o3 c7 h3

LN1 introductory Information Darryl 2010 (1)

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PROJECT BRIEF PROJECT BRIEF PROJECT BRIEF PROJECT BRIEF PHONON DIAGNOSTIC BRIEF PHONON DIAGNOSTIC BRIEF PHONON DIAGNOSTIC BRIEF PHONON DIAGNOSTIC BRIEF.

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SUPERMICRO Motherboard manual Super PDSNML-LN1 and LN29

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Phonon transport properties of two-dimensional electride ...minds.gatech.edu/Publications/Papers_2018/Phonon transport prope… · Phonon transport properties of two-dimensional electride

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