scholarly journals Compositional Dependence of Optical Modes Frequencies in TlGa_xIn_{1-x}S_2 Layered Mixed Crystals (0 ≤ x ≤ 1)

2014 ◽  
Vol 126 (3) ◽  
pp. 747-751
Author(s):  
M. Isik ◽  
N.M. Gasanly ◽  
F. Korkmaz
Keyword(s):  
Mixed Crystals ◽  
Compositional Dependence ◽  
Optical Modes

scholarly journals The Effect of Isovalent Cation Substitution on Mechanical Properties of (CuxAg1–x)7SiS5I Superionic Mixed Single Crystals

2020 ◽  
Vol 65 (5) ◽  
pp. 453
Author(s):  
V. S. Bilanych ◽  
K. V. Skubenych ◽  
M. I. Babilya ◽  
A. I. Pogodin ◽  
I. P. Studenyak
Keyword(s):  
Mechanical Properties ◽  
Size Effect ◽  
Single Crystals ◽  
Room Temperature ◽  
Indentation Size Effect ◽  
Mixed Crystals ◽  
Cation Substitution ◽  
Compositional Dependence ◽  
Indentation Size ◽  
Stockbarger Method

(CuxAg1−x)7SiS5I mixed crystals were grown by the Bridgman–Stockbarger method. The microhardness measurements are carried out at room temperature using a Vickers indenter. The compositional dependence of the microhardness is studied. The dependence of the microhardness on the depth of imprint is analyzed in the model of geometrically necessary dislocations. The indentation size effect is observed. It is established that the microhardness of (CuxAg1−x)7SiS5I mixed crystals decreases at the substitution of Cu atoms by Ag atoms.

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