scholarly journals Laser triggered phase transition in photothermal liquid crystals

2017 ◽  
Vol 53 (47) ◽  
pp. 6339-6342 ◽  
Author(s):  
Mathieu Ciancone ◽  
Franck Camerel
Keyword(s):  
Phase Transition ◽  
Liquid Crystalline ◽  
Room Temperature ◽  
High Temperature Phase ◽  
Pure Liquid ◽  
Temperature Phase ◽  
Spatial Control ◽  
Crystalline Materials ◽  
Temperature Phase Transition ◽  
Liquid Crystalline Materials

Laser irradiation allows rapid high temperature phase transition directly from room temperature in pure liquid crystalline materials built around photothermal cores with a high spatial control and responsivness.

scholarly journals High-temperature phase transition of SrRuO3and SrHfO5: X-ray diffraction and PAC spectroscopy

1996 ◽  
Vol 52 (a1) ◽  
pp. C364-C364
Author(s):  
J. A. Guevara ◽  
S. L. Cuffini ◽  
Y. P. Mascarenhas ◽  
P. de la Presa ◽  
A. Ayala ◽  
...  
Keyword(s):  
Phase Transition ◽  
High Temperature ◽  
High Temperature Phase ◽  
Temperature Phase ◽  
Pac Spectroscopy ◽  
X Ray Diffraction ◽  
X Ray ◽  
Temperature Phase Transition

Parameterization of the coupling between strain and order parameter for LuF[SeO3]

2014 ◽  
Vol 47 (2) ◽  
pp. 701-711 ◽  
Author(s):  
Oxana V. Magdysyuk ◽  
Melanie Müller ◽  
Robert E. Dinnebier ◽  
Christian Lipp ◽  
Thomas Schleid
Keyword(s):  
Phase Transition ◽  
Order Parameter ◽  
Structural Phase ◽  
High Temperature Phase ◽  
Temperature Phase ◽  
Time Resolved ◽  
Synchrotron Powder Diffraction ◽  
First Order Phase Transition ◽  
Temperature Phase Transition ◽  
First Order Phase

The high-temperature phase transition of LuF[SeO3] has been characterized by time-resolved high-resolution synchrotron powder diffraction. On heating, a second-order structural phase transition was found at 393 K, while on cooling the same phase transition occurs at 371 K, showing a large hysteresis typical for a first-order phase transition. Detailed analysis using sequential and parametric whole powder pattern fitting revealed that the coupling between the strain and the displacive order parameter determines the behaviour of the material during the phase transition. Different possible coupling mechanisms have been evaluated and the most probable rationalized.

On the High-Temperature Phase Transition of Gd5Si2Ge2

2005 ◽  
Vol 127 (1) ◽  
pp. 317-324 ◽  
Author(s):  
Yurij Mozharivskyj ◽  
Alexandra O. Pecharsky ◽  
Vitalij K. Pecharsky ◽  
Gordon J. Miller
Keyword(s):  
Phase Transition ◽  
High Temperature ◽  
High Temperature Phase ◽  
Temperature Phase ◽  
Temperature Phase Transition
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