Neutron diffraction study of the high-temperature superconductor HgBa2CaCu2O6.3 under high pressure

V. Aksenov, A. M. Balagurov, B. N. Savenko, V. P. Glazkov, I. N. Goncharenko, V. A. Somenkov, E. V. Antipov, S. N. Putilin, J. J. Capponi

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Abstract

The pressure dependence of the crystal structure of a powder sample of HgBa2CaCu2O6.3 (Tc = 123 K) was studied in the pressure range of 0 to 3.6 GPa, using the DN-12 time-of-flight diffractometer at the IBR-2 pulsed reactor and a sapphire anvil cell chamber. At P=0 the results are in a good accordance with the published data. At P=3.0 and 3.6 GPa the best fit of the experimental data was achieved using the structural model with apical oxygen disordered in the (a,b) plane. The compressibility values of the lattice constants and selected bonds were calculated from the structural data. The highest absolute value of compressibility was found for the distance between the Ba and O atom layers.

Original languageEnglish
Pages (from-to)127-137
Number of pages11
JournalHigh Pressure Research
Volume14
Issue number1-3
Publication statusPublished - 1995

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high temperature superconductors
compressibility
neutron diffraction
anvils
diffractometers
pressure dependence
sapphire
chambers
reactors
crystal structure
oxygen
cells
atoms

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Aksenov, V., Balagurov, A. M., Savenko, B. N., Glazkov, V. P., Goncharenko, I. N., Somenkov, V. A., ... Capponi, J. J. (1995). Neutron diffraction study of the high-temperature superconductor HgBa2CaCu2O6.3 under high pressure. High Pressure Research, 14(1-3), 127-137.

Neutron diffraction study of the high-temperature superconductor HgBa2CaCu2O6.3 under high pressure. / Aksenov, V.; Balagurov, A. M.; Savenko, B. N.; Glazkov, V. P.; Goncharenko, I. N.; Somenkov, V. A.; Antipov, E. V.; Putilin, S. N.; Capponi, J. J.

In: High Pressure Research, Vol. 14, No. 1-3, 1995, p. 127-137.

Research output: Contribution to journalArticle

Aksenov, V, Balagurov, AM, Savenko, BN, Glazkov, VP, Goncharenko, IN, Somenkov, VA, Antipov, EV, Putilin, SN & Capponi, JJ 1995, 'Neutron diffraction study of the high-temperature superconductor HgBa2CaCu2O6.3 under high pressure', High Pressure Research, vol. 14, no. 1-3, pp. 127-137.
Aksenov V, Balagurov AM, Savenko BN, Glazkov VP, Goncharenko IN, Somenkov VA et al. Neutron diffraction study of the high-temperature superconductor HgBa2CaCu2O6.3 under high pressure. High Pressure Research. 1995;14(1-3):127-137.
Aksenov, V. ; Balagurov, A. M. ; Savenko, B. N. ; Glazkov, V. P. ; Goncharenko, I. N. ; Somenkov, V. A. ; Antipov, E. V. ; Putilin, S. N. ; Capponi, J. J. / Neutron diffraction study of the high-temperature superconductor HgBa2CaCu2O6.3 under high pressure. In: High Pressure Research. 1995 ; Vol. 14, No. 1-3. pp. 127-137.
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