Theoretical investigation of phase transition on GaAs(001)-c(4×4) surface

2005 ◽  
Vol 244 (1-4) ◽  
pp. 186-189 ◽  
Author(s):  
Hirotoshi Ishizaki ◽  
Toru Akiyama ◽  
Kohji Nakamura ◽  
Kenji Shiraishi ◽  
Akihito Taguchi ◽  
...  
Keyword(s):  
Phase Transition ◽  
Theoretical Investigation

Hydrogen Adsorption of Ruthenium: Isosteres of Solubility of Adsorbed Hydrogen

1998 ◽  
Vol 513 ◽  
Author(s):  
S. Yu. Zaginaichenko ◽  
Z. A. Matysina ◽  
D. V. Schur ◽  
V. K. Pishuk
Keyword(s):  
Phase Transition ◽  
Free Energy ◽  
Theoretical Investigation ◽  
State Transition ◽  
Hydrogen Adsorption ◽  
Adsorbed Hydrogen ◽  
Hydrogen Atoms ◽  
Hexagonal Close Packed ◽  
The Face ◽  
Pressure Hydrogen

ABSTRACTThe theoretical investigation of solubility isosteres of adsorbed hydrogen has been performed for free face (0001) of crystals with hexagonal close-packed lattice A3 of Mg type. The face free energy has been calculated and its dependence on temperature, pressure, hydrogen concentration and character of hydrogen atoms distribution over surface interstitial sites of different type has been defined. The equations of thermodynamic equilibrium and solubility of adsorbed hydrogen have been defined. The plots of isosteres in the region of phase transition from isotropic to anisotropic state have been constructed and it has been established that in anisotropic state the order in distribution of hydrogen atoms over interstitial sites of different type must become apparent. Comparison of the theoretical isosteres with experimental for ruthenium has been carried out, the isotropic-anisotropic state transition can stipulate a stepwise and break-like change in isosteres.

Pressure-induced isostructural phase transition in Ti3AlC2: experimental and theoretical investigation

2020 ◽  
Vol 22 (23) ◽  
pp. 13136-13142
Author(s):  
Yan Li ◽  
Meiyan Ye ◽  
Ruilian Tang ◽  
Jiuhua Chen ◽  
Xin Qu ◽  
...  
Keyword(s):  
Phase Transition ◽  
Theoretical Investigation ◽  
Isostructural Phase Transition

A pressure-induced isostructural phase transition was detected around 20 GPa in Ti3AlC2.

Theoretical investigation of a pressure-induced phase transition inEuCo2P2

2002 ◽  
Vol 65 (17) ◽  
Author(s):  
Per H. Andersson ◽  
Lars Nordström ◽  
Peter Mohn ◽  
Olle Eriksson
Keyword(s):  
Phase Transition ◽  
Theoretical Investigation

Theoretical investigation of phase transition of Lithium hydride (LiH)

2021 ◽  
Author(s):  
Taruna Verma ◽  
Shubhangi Soni ◽  
Aayushi Jain ◽  
Ravindra R Kinge ◽  
R. C. Dixit
Keyword(s):  
Phase Transition ◽  
Theoretical Investigation ◽  
Lithium Hydride
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