A high-pressure cubic-to-tetragonal phase-transition in melanophlogite, a SiO2 clathrate phase

2010 ◽  
Vol 129 (1-2) ◽  
pp. 267-273 ◽  
Author(s):  
Mario Tribaudino ◽  
G. Diego Gatta ◽  
Yongjae Lee
Keyword(s):  
Phase Transition ◽  
High Pressure ◽  
Tetragonal Phase ◽  
Tetragonal Phase Transition

A tetragonal polymorph of SrMn2P2made under high pressure – theory and experiment in harmony

2017 ◽  
Vol 46 (21) ◽  
pp. 6835-6838 ◽  
Author(s):  
Weiwei Xie ◽  
Michał J. Winiarski ◽  
Tomasz Klimczuk ◽  
R. J. Cava
Keyword(s):  
Phase Transition ◽  
High Pressure ◽  
Tetragonal Phase ◽  
Ambient Pressure ◽  
Structure Type ◽  
Space Group ◽  
Type Space ◽  
Tetragonal Phase Transition ◽  
Theory And Experiment

A trigonal–tetragonal phase transition in SrMn2P2is proposed and confirmed experimentally under high pressure. At ambient pressure, SrMn2P2crystallizes in the primitive trigonal La2O3structure type (space groupP3̄m1) in blue. Under high pressure, the tetragonal ThCr2Si2structure type (space groupI4/mmm) in red is more stable.

Variable temperature and high-pressure crystal chemistry of perovskite formamidinium lead iodide: a single crystal X-ray diffraction and computational study

2017 ◽  
Vol 53 (54) ◽  
pp. 7537-7540 ◽  
Author(s):  
Shijing Sun ◽  
Zeyu Deng ◽  
Yue Wu ◽  
Fengxia Wei ◽  
Furkan Halis Isikgor ◽  
...  
Keyword(s):  
Phase Transition ◽  
High Pressure ◽  
Low Temperature ◽  
Tetragonal Phase ◽  
Computational Study ◽  
Variable Temperature ◽  
X Ray Diffraction ◽  
Lead Iodide ◽  
X Ray ◽  
Tetragonal Phase Transition

Single crystals of [(NH2)2CH]PbI3 undergo a cubic-to-tetragonal phase transition at low temperature and high pressure.

Orthorhombic to tetragonal phase transition in high TCsuperconductor YBa2Cu3O7-yand NdBa2Cu3O7-zunder high pressure

1990 ◽  
Vol 4 (1-6) ◽  
pp. 420-422
Author(s):  
H. Takahashi ◽  
N. Mori ◽  
Y. Miyane ◽  
H. Kaneko ◽  
J. Susaki ◽  
...  
Keyword(s):  
Phase Transition ◽  
High Pressure ◽  
Tetragonal Phase ◽  
Tetragonal Phase Transition

Influence of Orthorhombic-Tetragonal Phase Transition on Microwave Dielectric Dispersion of BaTiO 3 Ceramic

2013 ◽  
Vol 30 (12) ◽  
pp. 127701 ◽  
Author(s):  
Wen-Tao Hao ◽  
Jia-Liang Zhang ◽  
Peng Zheng ◽  
Yan-Qing Wu ◽  
Yong-Qiang Tan ◽  
...  
Keyword(s):  
Phase Transition ◽  
Tetragonal Phase ◽  
Dielectric Dispersion ◽  
Microwave Dielectric ◽  
Tetragonal Phase Transition

EPR study of Ni3+ in RbCaF3 below the cubic-tetragonal phase transition

1988 ◽  
Vol 68 (1) ◽  
pp. 167-170 ◽  
Author(s):  
R. Alcalá ◽  
E. Zorita ◽  
P.J. Alonso ◽  
Th. Hangleiter ◽  
J.M. Spaeth
Keyword(s):  
Phase Transition ◽  
Tetragonal Phase ◽  
Tetragonal Phase Transition
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