Experimental study of Raman-active two-level systems and the boson peak inLaF3-doped fluorite mixed crystals

2002 ◽  
Vol 66 (9) ◽  
Author(s):  
J. J. Tu ◽  
A. J. Sievers
Keyword(s):  
Experimental Study ◽  
Boson Peak ◽  
Mixed Crystals ◽  
Two Level Systems

Glasslike Two-Level Systems in Minimally Disordered Mixed Crystals

2006 ◽  
Vol 96 (23) ◽  
Author(s):  
J. P. Wrubel ◽  
B. E. Hubbard ◽  
N. I. Agladze ◽  
A. J. Sievers ◽  
P. P. Fedorov ◽  
...  
Keyword(s):  
Mixed Crystals ◽  
Two Level Systems

scholarly journals Two-Level Systems and Boson Peak Remain Stable in 110-Million-Year-Old Amber Glass

2014 ◽  
Vol 112 (16) ◽  
Author(s):  
Tomás Pérez-Castañeda ◽  
Rafael J. Jiménez-Riobóo ◽  
Miguel A. Ramos
Keyword(s):  
Boson Peak ◽  
Two Level Systems

Two-Level Systems and Excited-State Transitions in Fluorite Mixed Crystals and Silica Glass

1994 ◽  
Vol 73 (23) ◽  
pp. 3105-3108 ◽  
Author(s):  
S. A. FitzGerald ◽  
J. A. Campbell ◽  
A. J. Sievers
Keyword(s):  
Excited State ◽  
Silica Glass ◽  
Mixed Crystals ◽  
State Transitions ◽  
Two Level Systems

Two-level systems in fluorite mixed crystals - a far-infrared study

2001 ◽  
Vol 13 (10) ◽  
pp. 2177-2200 ◽  
Author(s):  
S A FitzGerald ◽  
A J Sievers ◽  
J A Campbell
Keyword(s):  
Far Infrared ◽  
Mixed Crystals ◽  
Infrared Study ◽  
Two Level Systems

Optical activity of the boson peak and two-level systems in silica-germania glasses

2003 ◽  
Vol 67 (14) ◽  
Author(s):  
B. E. Hubbard ◽  
J. J. Tu ◽  
N. I. Agladze ◽  
A. J. Sievers
Keyword(s):  
Optical Activity ◽  
Boson Peak ◽  
Two Level Systems

Effect of growth conditions on the birefringence of mixed crystals revealed in alum solid solutions

2000 ◽  
Vol 64 (5) ◽  
pp. 837-845 ◽  
Author(s):  
A. G. Shtukenberg ◽  
Yu. O. Punin ◽  
V. N. Soloviev
Keyword(s):  
Experimental Study ◽  
Theoretical Model ◽  
Theoretical Analysis ◽  
Solid Solutions ◽  
Growth Conditions ◽  
Mixed Crystals ◽  
Hydrodynamic Regime ◽  
Synthetic Compounds

AbstractAn experimental study of optical anomalies in solid solutions of alums in relation to their composition, growth temperatures and rates, and hydrodynamic regime was carried out. Theoretical analysis of the data showed that they can be understood in terms of a mechanism of kinetic ordering of the isomorphous atoms (the phenomenon of so-called ‘growth dissymmetrization’). A theoretical model is presented which is supported by data for a number of minerals and synthetic compounds, which are known for their optical anomalies due to growth dissymmetrization.

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