scholarly journals Defect-Induced Inhomogeneous Phase Transition in 2D Perovskite Single Crystals at Low Temperatures

ACS Omega ◽  
2021 ◽  
Author(s):  
Zixi Yin ◽  
Jing Leng ◽  
Chunyi Zhao ◽  
Junxue Liu ◽  
Boning Wu ◽  
...  
Keyword(s):  
Phase Transition ◽  
Single Crystals ◽  
Low Temperatures ◽  
Inhomogeneous Phase

Pressure-Induced Phase Transition of β-RDX Single Crystals

2021 ◽  
Author(s):  
Chan Gao ◽  
Junke Wang ◽  
Yang Zhang ◽  
Hao Su ◽  
Zilong Xu ◽  
...  
Keyword(s):  
Phase Transition ◽  
Single Crystals

Temperature-induced phase transition of -oriented 0.92Na0.5Bi0.5TiO3-0.08Bi(Zn0.5Ti0.5)O3 lead-free single crystals

2021 ◽  
Author(s):  
Junjie Xiao ◽  
Sixing Liu ◽  
Jushan Wang ◽  
Jialin Xu ◽  
Zhang Zhang ◽  
...  
Keyword(s):  
Phase Transition ◽  
Single Crystals ◽  
Lead Free

Isostructural Phase Transition in the GdPdAl Single Crystals.

ChemInform ◽  
2003 ◽  
Vol 34 (14) ◽  
Author(s):  
J. Kusz ◽  
H. Boehm ◽  
E. Talik ◽  
M. Skutecka ◽  
J. Deniszczyk
Keyword(s):  
Phase Transition ◽  
Single Crystals ◽  
Isostructural Phase Transition

Anthracene fluorescence at low temperatures. I. Purified single crystals

1972 ◽  
Vol 25 (7) ◽  
pp. 1411 ◽  
Author(s):  
LE Lyons ◽  
LJ Warren
Keyword(s):  
Low Temperature ◽  
Single Crystals ◽  
Fluorescence Spectrum ◽  
Low Temperatures ◽  
Free Exciton ◽  
Deformation Bands ◽  
Exciton Emission ◽  
Polarized Emission ◽  
Impurity Bands ◽  
Phonon Structure

The low-temperature fluorescence spectrum of purified vapour-grown anthracene single crystals is presented and the free-exciton emission distinguished from a number of defect or impurity bands present even in the purest crystals. In assigning the observed bands the symmetry of the active vibrations and the origin of background fluorescence and deformation bands are discussed. The phonon structure in the region of the fluorescence origin was found to be almost completely b-polarized. Emission of electronic origin (25103 cm-1) was too weak to be observed. Polarization ratios of the principal vibronio bands at 5.6 K are given.

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