Quasi-two-dimensional vortex-glass transition observed in epitaxialBi2Sr2Ca2Cu3Oxthin films

1994 ◽  
Vol 50 (17) ◽  
pp. 12959-12965 ◽  
Author(s):  
H. Yamasaki ◽  
K. Endo ◽  
S. Kosaka ◽  
M. Umeda ◽  
S. Yoshida ◽  
...  
Keyword(s):  
Glass Transition ◽  
Two Dimensional ◽  
Vortex Glass

Current-voltage characteristics and quasi-two-dimensional vortex-glass transition in epitaxial Bi2Sr2Ca2Cu3Ox films

Cryogenics ◽  
1995 ◽  
Vol 35 (4) ◽  
pp. 263-269 ◽  
Author(s):  
H. Yamasaki ◽  
K. Endo ◽  
S. Kosaka ◽  
M. Umeda ◽  
S. Yoshida ◽  
...  
Keyword(s):  
Glass Transition ◽  
Two Dimensional ◽  
Vortex Glass ◽  
Current Voltage ◽  
Current Voltage Characteristics

scholarly journals Crossover from a three-dimensional to purely two-dimensional vortex-glass transition in deoxygenatedYBa2Cu3O7−δthin films

1999 ◽  
Vol 60 (22) ◽  
pp. 15423-15429 ◽  
Author(s):  
Z. Sefrioui ◽  
D. Arias ◽  
M. Varela ◽  
J. E. Villegas ◽  
M. A. López de la Torre ◽  
...  
Keyword(s):  
Glass Transition ◽  
Three Dimensional ◽  
Two Dimensional ◽  
Vortex Glass

Observation of the Pinning-Induced Crystal-Hexatic-Glass Transition in Two-Dimensional Colloidal Suspensions

2021 ◽  
Vol 38 (10) ◽  
pp. 106101
Author(s):  
Xiaoyan Sun ◽  
Huaguang Wang ◽  
Hao Feng ◽  
Zexin Zhang ◽  
Yuqiang Ma
Keyword(s):  
Glass Transition ◽  
Colloidal Suspensions ◽  
Two Dimensional ◽  
Colloidal Systems ◽  
Fundamental Understanding ◽  
New Strategy ◽  
Glassy Materials ◽  
Colloidal Glass ◽  
Orientational Correlation

Identification of the glass formation process in various conditions is of importance for fundamental understanding of the mechanism of glass transitions as well as for developments and applications of glassy materials. We investigate the role of pinning in driving the transformation of crystal into glass in two-dimensional colloidal suspensions of monodisperse microspheres. The pinning is produced by immobilizing a fraction of microspheres on the substrate of sample cells where the mobile microspheres sediment. Structurally, the crystal-hexatic-glass transition occurs with increasing the number fraction of pinning ρ pinning, and the orientational correlation exhibits a change from quasi-long-range to short-range order at ρ pinning = 0.02. Interestingly, the dynamics shows a non-monotonic change with increasing the fraction of pinning. This is due to the competition between the disorder that enhances the dynamics and the pinning that hinders the particle motions. Our work highlights the important role of the pinning on the colloidal glass transition, which not only provides a new strategy to prevent crystallization forming glass, but also is helpful for understanding of the vitrification in colloidal systems.

Crystal to Glass Transition and Melting in Two Dimensions

1993 ◽  
Vol 321 ◽  
Author(s):  
M. Li ◽  
W. L. Johnson ◽  
W. A. Goddard
Keyword(s):  
Glass Transition ◽  
Intermediate Phase ◽  
Orientational Order ◽  
Finite Size ◽  
Two Dimensions ◽  
Size Difference ◽  
Two Dimensional ◽  
Atomic Size ◽  
Bond Orientational Order ◽  
Dynamics Simulations

ABSTRACTThermodynamic properties, structures, defects and their configurations of a two-dimensional Lennard-Jones (LJ) system are investigated close to crystal to glass transition (CGT) via molecular dynamics simulations. The CGT is achieved by saturating the LJ binary arrays below glass transition temperature with one type of the atoms which has different atomic size from that of the host atoms. It was found that for a given atomic size difference larger than a critical value, the CGT proceeds with increasing solute concentrations in three stages, each of which is characterized by distinct behaviors of translational and bond-orientational order correlation functions. An intermediate phase which has a quasi-long range orientational order but short range translational order has been found to exist prior to the formation of the amorphous phase. The destabilization of crystallinity is observed to be directly related to defects. We examine these results in the context of two dimensional (2D) melting theory. Finite size effects on these results, in particular on the intermediate phase formation, are discussed.

Metastability of two-dimensional vortex glass inBi2Sr2CaCu2O8+δ

2009 ◽  
Vol 80 (2) ◽  
Author(s):  
A. Pallinger ◽  
B. Sas ◽  
G. Kriza ◽  
K. Vad ◽  
L. Forro ◽  
...  
Keyword(s):  
Two Dimensional ◽  
Vortex Glass
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