scholarly journals Features of IR reflection spectra of β-Tl1-xCuxInS2 single crystals (0 ≤ X ≤ 0.015)

2021 ◽  
Vol 1753 (1) ◽  
pp. 012077
Author(s):  
A Kh Matiyev ◽  
R T Uspazhiev ◽  
A M Gachaev ◽  
I A Sysoev ◽  
B M Khamkhoev ◽  
...  
Keyword(s):  
Single Crystals ◽  
Reflection Spectra ◽  
Ir Reflection ◽  
Ir Reflection Spectra

Investigation of the Far-IR Reflection Spectra of SmS Single Crystals and Polycrystals in the Homogeneity Range

2018 ◽  
Vol 52 (2) ◽  
pp. 172-176 ◽  
Author(s):  
Yu. V. Ulashkevich ◽  
V. V. Kaminskiy ◽  
M. V. Romanova ◽  
N. V. Sharenkova
Keyword(s):  
Single Crystals ◽  
Homogeneity Range ◽  
Reflection Spectra ◽  
Ir Reflection ◽  
Ir Reflection Spectra

scholarly journals FT-IR reflection spectra of single crystals: Resolving phonons of different symmetry without using polarised radiation

2000 ◽  
Vol 65 (7) ◽  
pp. 529-536
Author(s):  
Vladimir Petrusevski ◽  
Vladimir Ivanovski ◽  
Metodija Najdoski
Keyword(s):  
Fourier Transform ◽  
Single Crystals ◽  
Absorption Spectra ◽  
Longitudinal Optical ◽  
Reflection Spectra ◽  
Crystal Face ◽  
Orthorhombic Crystal ◽  
Ir Reflection ◽  
Ir Reflection Spectra ◽  
Ft Ir

Fourier-transform infrared (FT-IR) reflection spectra, asquired at nearnormal incidence, were recorded from single crystals belonging to six crystal systems: CsCr(SO4)2?12H2O(alum, cubic),K2CuCl4?2H2O(Mitscherlichite, tetragonal), CaCO3 (calcite, hexagonal),KHSO4 (mercallite, orthorhombic), CaSO4?2H2O(gypsum, monoclinic) and CuSO4?5H2O (chalcantite, triclinic). The acquired IR reflection spectra were further transformed into absorption spectra, employing the Kramers-Kronig transformation. Except for the cubic alums, the spectra strongly depend on the crystal face from which they were recorded; this is a consequence of anisotropy. Phonons of a given symmetry (E-species, in tetragonal/hexagonal and B-species, in monoclinic crystals) may be resolved without using a polariser. The spectrum may be simplified in the case of an orthorhombic crystal, as well. The longitudinal-optical (LO) and transversal-optical (TO) mode frequencies were calculated2 in the case of optically isotropic and the simplified spectra of optically uniaxial crystals.

Manifestation of CdTe quantum dots and interdiffusion in IR reflection spectra of CdTe/ZnTe structures with quantum dots

2007 ◽  
Vol 49 (8) ◽  
pp. 1563-1566
Author(s):  
I. V. Kucherenko ◽  
V. S. Vinogradov ◽  
G. Karczewski ◽  
N. N. Novikova ◽  
M. Cestelli Guidi ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Cdte Quantum Dots ◽  
Reflection Spectra ◽  
Ir Reflection ◽  
Ir Reflection Spectra

Structural phase transition and manifestation of eddy currents in IR reflection spectra of PbSnTe semiconductor films

2020 ◽  
Vol 50 (3) ◽  
pp. 263-266
Author(s):  
V A Yakovlev ◽  
A V Muratov ◽  
I V Kucherenko ◽  
V S Vinogradov ◽  
N N Novikova ◽  
...  
Keyword(s):  
Phase Transition ◽  
Structural Phase Transition ◽  
Eddy Currents ◽  
Structural Phase ◽  
Reflection Spectra ◽  
Semiconductor Films ◽  
Ir Reflection ◽  
Ir Reflection Spectra

IR reflection spectra of NaCl crystals near a lattice resonance

2013 ◽  
Vol 49 (7) ◽  
pp. 745-748 ◽  
Author(s):  
V. S. Gorelik ◽  
V. V. Filatov
Keyword(s):  
Reflection Spectra ◽  
Ir Reflection ◽  
Ir Reflection Spectra

IR reflection spectra of the ZnO/Al 2 O 3 structure

1998 ◽  
Author(s):  
Evgenie F. Venger ◽  
A. V. Melnichuk ◽  
Y. A. Pasechnik ◽  
E. I. Sukhenko
Keyword(s):  
Reflection Spectra ◽  
Ir Reflection ◽  
Ir Reflection Spectra
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