Gallium Composition-Dependent Structural Phase Transitions in HoFe3–xGax(BO3)4 Solid Solutions: Crystal Growth, Structure, and Raman Spectroscopy Study

2020 ◽  
Vol 20 (2) ◽  
pp. 1058-1069 ◽  
Author(s):  
Evgeniya Moshkina ◽  
Svetlana Krylova ◽  
Irina Gudim ◽  
Maxim Molokeev ◽  
Vladislav Temerov ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Phase Transitions ◽  
Crystal Growth ◽  
Solid Solutions ◽  
Structural Phase ◽  
Spectroscopy Study ◽  
Structural Phase Transitions ◽  
Growth Structure

Phase and Structural Behaviour in the NdAlO3-EuAlO3 System

2013 ◽  
Vol 200 ◽  
pp. 93-99 ◽  
Author(s):  
Natalia Ohon ◽  
Leonid Vasylechko ◽  
Yurii Prots ◽  
Marcus Schmidt ◽  
Caroline Curfs
Keyword(s):  
Phase Diagram ◽  
Phase Transitions ◽  
Binary System ◽  
Solid Solutions ◽  
Room Temperature ◽  
Structural Phase ◽  
Structural Phase Transitions ◽  
Structural Behaviour ◽  
First Order

Phase and structural behaviour in the NdAlO3–EuAlO3 system has been studied in the whole concentration range. Depending on x two kinds of solid solutions Nd1‑xEuxAlO3 exist at room temperature: one with rhombohedral (x < 0.15) and one with orthorhombic (x≈ 0.15–0.20, where the co-existence of both phases was observed. First-order structural phase transitions Pbnm↔Rc has been detected in Nd1-xEuxAlO3 with x = 0.3, 0.4, 0.6 at 520 K, 627 K and 988 K, respectively. Based on the experimental and literature data, the phase diagram of the pseudo-binary system NdAlO3–EuAlO3 has been constructed.

scholarly journals Фазовая диаграмма и особенности поведения мягких мод в твердых растворах со структурой хантита TbFe-=SUB=-3-x-=/SUB=-Ga-=SUB=-x-=/SUB=-(BO_3)-=SUB=-4-=/SUB=-

2022 ◽  
Vol 130 (1) ◽  
pp. 84
Author(s):  
А.С. Крылов ◽  
А.Н. Втюрин ◽  
И.А. Гудим ◽  
И.В. Немцев ◽  
С.Н. Крылова
Keyword(s):  
Phase Transition ◽  
Phase Diagram ◽  
Phase Transitions ◽  
Raman Spectra ◽  
Solid Solutions ◽  
Structural Phase ◽  
Temperature Phase ◽  
Structural Phase Transitions ◽  
Soft Modes ◽  
Temperature Phase Diagram

The Raman spectra of four crystals of TbFe3-хGax (BO3) 4 solid solutions (x from 0 to 0.54) were studied in the temperature range from 8 to 350 K. The temperatures of structural phase transitions were determined. The observed spectral behavior is characteristic to condensation and restoration of soft modes. Soft modes are associated with a structural phase transition from the R32 phase to the P3121 phase. The Compositions-Temperature phase diagram was constructed

X-Ray Study of the Structural Phase Transitions in Ge1-xAgx/2 Bix/2Te Solid Solutions

1990 ◽  
pp. 155-162
Author(s):  
S. K. Plachkova ◽  
L. E. Shelimova ◽  
O. G. Karpinskii ◽  
S. K. Plachkova ◽  
L.E. Shelimova ◽  
...  
Keyword(s):  
Phase Transitions ◽  
Solid Solutions ◽  
Structural Phase ◽  
Structural Phase Transitions ◽  
X Ray

Observation of superconducting and structural phase transitions in Sn1−zGezTe:In solid solutions

2000 ◽  
Vol 333 (1-2) ◽  
pp. 31-40 ◽  
Author(s):  
S.A. Nemov ◽  
R.V. Parfeniev ◽  
D.V. Shamshur ◽  
P.P. Konstantinov ◽  
M.O. Safonchik ◽  
...  
Keyword(s):  
Phase Transitions ◽  
Solid Solutions ◽  
Structural Phase ◽  
Structural Phase Transitions
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