Experimental and Theoretical Studies on a High Pressure Monoclinic Phase of Ammonia Borane

2012 ◽  
Vol 116 (3) ◽  
pp. 2172-2178 ◽  
Author(s):  
Yu Lin ◽  
Hongwei Ma ◽  
Charles Wesley Matthews ◽  
Brian Kolb ◽  
Stanislav Sinogeikin ◽  
...  
Keyword(s):  
High Pressure ◽  
Monoclinic Phase ◽  
Ammonia Borane ◽  
Theoretical Studies ◽  
Experimental And Theoretical Studies

scholarly journals Experimental and Theoretical Studies on α-In2Se3 at High Pressure

2018 ◽  
Vol 57 (14) ◽  
pp. 8241-8252 ◽  
Author(s):  
Rosario Vilaplana ◽  
Samuel Gallego Parra ◽  
Alejandro Jorge-Montero ◽  
Plácida Rodríguez-Hernández ◽  
Alfonso Munoz ◽  
...  
Keyword(s):  
High Pressure ◽  
Theoretical Studies ◽  
Experimental And Theoretical Studies

scholarly journals Experimental evidence for the existence of a second partially-ordered phase of ice VI

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Ryo Yamane ◽  
Kazuki Komatsu ◽  
Jun Gouchi ◽  
Yoshiya Uwatoko ◽  
Shinichi Machida ◽  
...  
Keyword(s):  
Phase Diagram ◽  
High Pressure ◽  
Research Approach ◽  
Theoretical Studies ◽  
Partially Ordered ◽  
Structural Variety ◽  
Ordered Phases ◽  
New Form ◽  
Experimental And Theoretical Studies ◽  
Pressure Phase

AbstractIce exhibits extraordinary structural variety in its polymorphic structures. The existence of a new form of diversity in ice polymorphism has recently been debated in both experimental and theoretical studies, questioning whether hydrogen-disordered ice can transform into multiple hydrogen-ordered phases, contrary to the known one-to-one correspondence between disordered ice and its ordered phase. Here, we report a high-pressure phase, ice XIX, which is a second hydrogen-partially-ordered phase of ice VI. We demonstrate that disordered ice undergoes different manners of hydrogen ordering, which are thermodynamically controlled by pressure in the case of ice VI. Such multiplicity can appear in all disordered ice, and it widely provides a research approach to deepen our knowledge, for example of the crucial issues of ice: the centrosymmetry of hydrogen-ordered configurations and potentially induced (anti-)ferroelectricity. Ultimately, this research opens up the possibility of completing the phase diagram of ice.

scholarly journals Crystal structure and transporting properties of Bi2S3 under high pressure: Experimental and theoretical studies

2016 ◽  
Vol 688 ◽  
pp. 329-335 ◽  
Author(s):  
Chunyu Li ◽  
Jinggeng Zhao ◽  
Qingyang Hu ◽  
Zhiguo Liu ◽  
Zhenhai Yu ◽  
...  
Keyword(s):  
Crystal Structure ◽  
High Pressure ◽  
Theoretical Studies ◽  
Experimental And Theoretical Studies
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