Single Crystal Raman Spectra of the Phase Transition in KTCNQ

1982 ◽  
Vol 85 (1) ◽  
pp. 297-303 ◽  
Author(s):  
A. D. Bandrauk ◽  
K. D. Truong ◽  
S. Jandl
Keyword(s):  
Phase Transition ◽  
Single Crystal ◽  
Raman Spectra

Single crystal Raman spectra of an organic semiconductor: KTCNQ

1982 ◽  
Vol 60 (14) ◽  
pp. 1881-1890 ◽  
Author(s):  
André D. Bandrauk ◽  
K. D. Truong ◽  
S. Jandl
Keyword(s):  
Phase Transition ◽  
Transition Temperature ◽  
Simple Model ◽  
Single Crystal ◽  
Single Crystals ◽  
Raman Spectra ◽  
Organic Semiconductors ◽  
Organic Semiconductor ◽  
Organic Salt ◽  
Deuterated Analogue

Raman spectra are reported for single crystals of the organic salt KTCNQ (potassium tetracyanoquinodimethane) and its deuterated analogue. Intensities of intramolecular and intermolecular (phonons) vibrations exhibit strong variations at the phase transition temperature associated with a dimmer–monomer transition. A simple model is presented to interpret and correlate these results with previously observed ir intensity anomalies in this and other organic semiconductors.

Raman spectra and improper ferroelastic phase transition in single crystal

1999 ◽  
Vol 11 (3) ◽  
pp. 889-903 ◽  
Author(s):  
Yu I Yuzyuk ◽  
V I Torgashev ◽  
I Gregora ◽  
A H Fuith
Keyword(s):  
Phase Transition ◽  
Single Crystal ◽  
Raman Spectra ◽  
Ferroelastic Phase Transition

Insituobservation of phase transition in potassium niobate single crystal by synchrotron radiation topography

1991 ◽  
Vol 59 (16) ◽  
pp. 1952-1953 ◽  
Author(s):  
Jiyong Zhao ◽  
Ping Yang ◽  
Shusheng Jiang ◽  
Xiaoming Jiang ◽  
Jianhua Jiang ◽  
...  
Keyword(s):  
Phase Transition ◽  
Synchrotron Radiation ◽  
Single Crystal ◽  
Potassium Niobate

Verification of first‐order magnetic phase transition in single crystal iron films

1982 ◽  
Vol 53 (11) ◽  
pp. 7966-7968 ◽  
Author(s):  
F. J. Rachford ◽  
G. A. Prinz ◽  
J. J. Krebs ◽  
K. B. Hathaway
Keyword(s):  
Phase Transition ◽  
Single Crystal ◽  
Magnetic Phase Transition ◽  
Magnetic Phase ◽  
Iron Films ◽  
First Order ◽  
Order Magnetic Phase Transition

Spontaneous phase transition from relaxor to macrodomain ferroelectric state in single-crystal PbSc0.5Nb0.5O3-BaSc0.5Nb0.5O3 solid solutions

2000 ◽  
Vol 42 (1) ◽  
pp. 161-164 ◽  
Author(s):  
I. P. Raevskii ◽  
V. V. Eremkin ◽  
V. G. Smotrakov ◽  
E. S. Gagarina ◽  
M. A. Malitskaya
Keyword(s):  
Phase Transition ◽  
Single Crystal ◽  
Solid Solutions ◽  
Ferroelectric State ◽  
Spontaneous Phase
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