Influence of lithium and magnesium on the real structure and dielectric properties of Ca9Y(VO4)7 single crystals

CrystEngComm ◽  
2018 ◽  
Vol 20 (40) ◽  
pp. 6310-6318 ◽  
Author(s):  
Bogdan Lazoryak ◽  
Dina Deyneko ◽  
Sergey Aksenov ◽  
Vadim Grebenev ◽  
Sergey Stefanovich ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Dielectric Properties ◽  
Single Crystals ◽  
Point Defects ◽  
Real Structure ◽  
Real Crystal ◽  
The Real ◽  
Complex Methods

The real crystal structure was oxyaminated by complex methods; the influence of impurity and point defects is shown.

Effect of Mn3+ doping on crystal structure, point defects, and optical properties in green Ca3(VO4)2 single crystals

2021 ◽  
pp. 111300
Author(s):  
Galina M. Kuz’micheva ◽  
Liudmila. I. Ivleva ◽  
Irina A. Kaurova ◽  
Evgeny V. Khramov ◽  
Victor B. Rybakov ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Optical Properties ◽  
Single Crystals ◽  
Point Defects

Dielectric properties of (NH4)2SO4 crystals in the range of electronic excitations

2009 ◽  
Vol 16 (2) ◽  
pp. 260-263 ◽  
Author(s):  
B. Andriyevsky ◽  
C. Cobet ◽  
A. Patryn ◽  
N. Esser
Keyword(s):  
Crystal Structure ◽  
Phase Transition ◽  
Dielectric Properties ◽  
Large Temperature ◽  
Electronic Excitations ◽  
Temperature Dependent ◽  
Temperature Changes ◽  
The Real ◽  
Temperature Dependences ◽  
Simultaneous Decrease

Spectra of the real and imaginary parts of the pseudo-dielectric permittivity, 〈∊1〉(E) and 〈∊2〉(E), of ferroelectric ammonium sulfate crystals, (NH4)2SO4, have been measured in the range of electronic excitations 4.0 to 9.5 eV by ellipsometry using synchrotron radiation. Temperature dependences of the corresponding susceptibilities, 〈χ1〉(T) and 〈χ2〉(T), obtained for the photon energy E = 8.5 eV, related to excitations of oxygen p-electrons, reveal sharp peak-like temperature changes near the Curie point T C = 223 K. The large temperature-dependent increase of the imaginary part of the susceptibility χ2(T), together with a simultaneous decrease of the real part of the susceptibility χ1(T), take place at the phase transition. These anomalies have been ascribed mainly to the SO4 group of the crystal structure.

Crystal structure, thermal expansion and dielectric properties of monoclinic ethylenediammonium bis(hydrogensuccinate), H3N(CH2)2NH3(HC4H4O4)2

1994 ◽  
Vol 209 (1) ◽  
Author(s):  
J. Schreuer ◽  
T. Münch
Keyword(s):  
Crystal Structure ◽  
Thermal Expansion ◽  
Dielectric Properties ◽  
Aqueous Solutions ◽  
Single Crystals ◽  
Structure Analysis ◽  
Optical Quality ◽  
Space Group ◽  
X Ray

AbstractLarge single crystals of optical quality of monoclinic ethylenediammonium bis(hydrogensuccinate) were grown from aqueous solutions. An X-ray structure analysis yielded space group

KH2PO4 single crystals activated with the Ti4+ ions in the form of TiO2−x × nH2O nanoparticles: Structural peculiarities, point defects, and dielectric properties

2018 ◽  
Vol 112 (12) ◽  
pp. 121901 ◽  
Author(s):  
Galina M. Kuz'micheva ◽  
Olesya I. Timaeva ◽  
Irina A. Kaurova ◽  
Roman D. Svetogorov ◽  
Martin J. Mühlbauer
Keyword(s):  
Dielectric Properties ◽  
Single Crystals ◽  
Point Defects ◽  
Structural Peculiarities

X-ray examination of the real structure of γ-irradiated NaClO3 single crystals

1972 ◽  
Vol 10 (2) ◽  
pp. 631-638 ◽  
Author(s):  
J. A. Stepień ◽  
J. Auleytner ◽  
K. Łukaszewicz
Keyword(s):  
Single Crystals ◽  
Real Structure ◽  
X Ray ◽  
The Real

Features of the real structure of lanthanum hexaboride single crystals

1995 ◽  
Vol 219 (1-2) ◽  
pp. 228-231 ◽  
Author(s):  
V. Paderno ◽  
Y. Paderno ◽  
V. Britun
Keyword(s):  
Single Crystals ◽  
Lanthanum Hexaboride ◽  
Real Structure ◽  
The Real

Relation between the real structure and optical inhomogeneity of lithium niobate single crystals

2004 ◽  
Vol 49 (1) ◽  
pp. 94-99 ◽  
Author(s):  
N. Yu. Franko ◽  
B. B. Ped’ko ◽  
I. I. Sorokina
Keyword(s):  
Lithium Niobate ◽  
Single Crystals ◽  
Real Structure ◽  
Optical Inhomogeneity ◽  
The Real

Heat effect of pulsed laser radiation on the real structure of CdTe single crystals

2000 ◽  
Vol 42 (3) ◽  
pp. 561-565 ◽  
Author(s):  
I. L. Shul’pina ◽  
N. K. Zelenina ◽  
O. A. Matveev
Keyword(s):  
Laser Radiation ◽  
Single Crystals ◽  
Heat Effect ◽  
Pulsed Laser ◽  
Real Structure ◽  
Pulsed Laser Radiation ◽  
The Real

X-Ray Examination of the Real Structure of y-Irradiated NaCIO3 Single Crystals

1972 ◽  
pp. 631-638
Author(s):  
J . A Stepien ◽  
J Auleytneb ◽  
K Lukaszewicz
Keyword(s):  
Single Crystals ◽  
Real Structure ◽  
X Ray ◽  
The Real
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