Phase segregation and the effect of high pressure on the electro-transport in Y0.95Pr0.05Ba2Cu3O7-δ single crystals

2014 ◽  
Vol 28 (17) ◽  
pp. 1450142 ◽  
Author(s):  
Ruslan V. Vovk ◽  
Georgij Ya. Khadzhai ◽  
Oleksandr V. Dobrovolskiy
Keyword(s):  
High Pressure ◽  
Critical Temperature ◽  
Single Crystals ◽  
Oxygen Content ◽  
Pressure Effect ◽  
Phase Segregation ◽  
Sample Volume ◽  
Pressure Derivative ◽  
High Hydrostatic Pressures ◽  
High Pressure Effect

The effect of high hydrostatic pressures of up to 17 kbar on the basal ab-plane conductivity of lightly praseodymium-doped (x ≈ 0.05) Y 1-x Pr x Ba 2 Cu 3 O 7-δ single crystals with unidirectional twin boundaries (TBs) is investigated. It is observed that the application of a high pressure leads to a doubling of the pressure derivative value dTc/dP for Pr -doped samples compared to non-doped YBa 2 Cu 3 O 7-δ samples with optimal oxygen content. Possible mechanisms of the high pressure effect on the critical temperature Tc and the phase segregation in the sample volume are discussed.

scholarly journals High pressure effect on MoS2 and MoSe2 single crystals grown by CVT method

2004 ◽  
Vol 27 (2) ◽  
pp. 213-216 ◽  
Author(s):  
Madhavi Dave ◽  
Rajiv Vaidya ◽  
S. G. Patel ◽  
A. R. Jani
Keyword(s):  
High Pressure ◽  
Single Crystals ◽  
Pressure Effect ◽  
High Pressure Effect

High-pressure effect on inverse spinel LiCuVO4: X-ray diffraction and Raman scattering

2013 ◽  
Vol 22 (1) ◽  
pp. 016103 ◽  
Author(s):  
Heng-Nan Liang ◽  
Chun-Li Ma ◽  
Fei Du ◽  
Qi-Liang Cui ◽  
Guang-Tian Zou
Keyword(s):  
High Pressure ◽  
Raman Scattering ◽  
Pressure Effect ◽  
X Ray Diffraction ◽  
Inverse Spinel ◽  
X Ray ◽  
High Pressure Effect

scholarly journals High pressure effect on bonding nature in KMnF3

2005 ◽  
Vol 61 (a1) ◽  
pp. c464-c465
Author(s):  
S. Aoyagi ◽  
S. Toda ◽  
E. Nishibori ◽  
Y. Kuroiwa ◽  
T. Adachi ◽  
...  
Keyword(s):  
High Pressure ◽  
Pressure Effect ◽  
High Pressure Effect

scholarly journals Salt Distribution and Salt Uptake during Ripening in Turkish White Cheese Affected by High Pressure Processing

2018 ◽  
Vol 6 (4) ◽  
pp. 433
Author(s):  
Nurcan Koca ◽  
Raghu Ramaswamy ◽  
W.M. Balasubramaniam ◽  
W. James Harper
Keyword(s):  
High Pressure ◽  
Pressure Effect ◽  
High Pressure Processing ◽  
Holding Time ◽  
Salt Uptake ◽  
White Cheese ◽  
Textural Changes ◽  
Salt Distribution ◽  
High Pressure Effect

Turkish white cheeses after brine salting were subjected to high pressure processing (HPP) at 50, 100, 200 and 400 MPa for 5 and 15 min and the samples pressurized for 15 min were ripened in brine for 60 days. The effects of HPP on the salt distribution in external, middle and internal zones of cheese after pressurization and on the salt uptake of whole cheese block during ripening were investigated. HPP did not change the values of moisture, salt and salt in moisture in different zones of cheese. Furthermore, pressure holding time had no effect on salt distribution in cheese. The salt contents of un-pressurized and pressurized cheese samples were equilibrated on the 14th day of ripening, and then stabilized, with no high pressure effect. As a result, HPP at pressures up to 400 MPa did not significantly affect neither salt distribution after high pressure processing nor salt uptake during ripening. However, a slight increase in moisture at the pressures of 200-400 MPa on the 60th day of ripening, which was not significant, might warn further increases in moisture of white cheese for longer ripening periods than 60 days. Higher pressure applications may alter all those values in white cheese because of textural changes.

scholarly journals High-pressure effect on the superconductivity ofYB6

2014 ◽  
Vol 90 (4) ◽  
Author(s):  
S. Gabáni ◽  
I. Takáčová ◽  
G. Pristáš ◽  
E. Gažo ◽  
K. Flachbart ◽  
...  
Keyword(s):  
High Pressure ◽  
Pressure Effect ◽  
High Pressure Effect
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