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High pressure DAC studies on undoped La2CuO4

Authors :
Larry W. Finger
Jagannadham Akella
Jinfu Shu
Ho-kwang Mao
J. Z. Liu
Source :
Physica C: Superconductivity. 176:503-506
Publication Year :
1991
Publisher :
Elsevier BV, 1991.

Abstract

Undoped La 2 CuO 4 oxide ceramic single crystal and polycrystalline materials were studied up to 25.0 GPa in a diamond-anvil cell (DAC) apparatus. La 2 CuO 4 undergoes a phase transformation from an orthorhombic to a tetragonal structure at about 3.4 GPa, and this result is different from the data previously published by others. Compression of this material is only 9% at 25.0 GPa.

Subjects

Subjects :
Tetragonal crystal system
Oxide ceramics
Crystallography
Materials science
High pressure
Phase (matter)
Energy Engineering and Power Technology
Orthorhombic crystal system
Crystallite
Electrical and Electronic Engineering
Condensed Matter Physics
Single crystal
Electronic, Optical and Magnetic Materials

Details

ISSN :
09214534
Volume :
176
Database :
OpenAIRE
Journal :
Physica C: Superconductivity
Accession number :
edsair.doi...........77de6c4391eb725ec8525c5bdfbc71f5

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