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PRESSURE-INDUCED STRUCTURAL-CHANGES IN SUPERCONDUCTING HGBA2CAN-1CUNO2N+2+DELTA (N = 1, 2, 3) COMPOUNDS

Abstract:

The crystal structures of superconducting HgBa2CuO4+δ and HgBa2CaCu2O6+δ have been investigated with a pressure up to 0.6 GPa and HgBa2Ca2Cu3O8+δ to 9.2 GPa by neutron powder diffraction. The compressibility along the c-axis is nearly the same for the three compounds and up to two times larger than the compressibility along the a-axis. The one-layer compound, HgBa2CuO4+δ, shows the largest a-axis compressibility, while HgBa2Ca2Cu3O4+δ shows the smallest compressibility. The bond compressibili...

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
Journal:
PHYSICA C More from this journal
Volume:
221
Issue:
1-2
Pages:
1-10
Publication date:
1994-02-20
DOI:
ISSN:
0921-4534
Pubs id:
pubs:66375
UUID:
uuid:8a745b1b-7a2f-4b05-be80-2423452cc092
Local pid:
pubs:66375
Source identifiers:
66375
Deposit date:
2012-12-19

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