Hydrogenation and deuterization of EuBa2Cu3O7-d high temperature superconductors

E. Kuzmann, M. Gál

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2 Citations (Scopus)

Abstract

57Fe and 151Eu Mössbauer spectroscopy and X-ray diffractometry were used to study the hydrogen or deuterium uptake and to obtain information about the localization of hydrogen or deuterium in EuBa2(Cu(57Fe))3O7-dhigh Tc superconductors hydrogenated or deuterized either by gas loading or by electrochemical polarization. We have found significant changes in the Mössbauer spectra of superconductor samples due to hydrogenation and deuterization. The following conclusion can be drawn from the results. The hydrogen and deuterium is localized mainly around the Cu(1) site in these high temperature superconductors hydrogenated or deuterized by gas loading at room temperature. No differences can be detected between the localization of hydrogen and deuterium. The electrolytic hydrogenation or deuterization of these superconductors is accompanied by partial decomposition of the material. In this case hydrogen and deuterium tend to be localized around the Cu(2) sites.

Original languageEnglish
Pages (from-to)284-286
Number of pages3
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume76
Issue number1-4
DOIs
Publication statusPublished - Apr 4 1993

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High temperature superconductors
Deuterium
high temperature superconductors
Hydrogenation
hydrogenation
deuterium
Hydrogen
Superconducting materials
hydrogen
Gases
gases
X ray diffraction analysis
Spectroscopy
Polarization
Decomposition
decomposition
room temperature
polarization
spectroscopy
x rays

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

Cite this

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title = "Hydrogenation and deuterization of EuBa2Cu3O7-d high temperature superconductors",
abstract = "57Fe and 151Eu M{\"o}ssbauer spectroscopy and X-ray diffractometry were used to study the hydrogen or deuterium uptake and to obtain information about the localization of hydrogen or deuterium in EuBa2(Cu(57Fe))3O7-dhigh Tc superconductors hydrogenated or deuterized either by gas loading or by electrochemical polarization. We have found significant changes in the M{\"o}ssbauer spectra of superconductor samples due to hydrogenation and deuterization. The following conclusion can be drawn from the results. The hydrogen and deuterium is localized mainly around the Cu(1) site in these high temperature superconductors hydrogenated or deuterized by gas loading at room temperature. No differences can be detected between the localization of hydrogen and deuterium. The electrolytic hydrogenation or deuterization of these superconductors is accompanied by partial decomposition of the material. In this case hydrogen and deuterium tend to be localized around the Cu(2) sites.",
author = "E. Kuzmann and M. G{\'a}l",
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T1 - Hydrogenation and deuterization of EuBa2Cu3O7-d high temperature superconductors

AU - Kuzmann, E.

AU - Gál, M.

PY - 1993/4/4

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N2 - 57Fe and 151Eu Mössbauer spectroscopy and X-ray diffractometry were used to study the hydrogen or deuterium uptake and to obtain information about the localization of hydrogen or deuterium in EuBa2(Cu(57Fe))3O7-dhigh Tc superconductors hydrogenated or deuterized either by gas loading or by electrochemical polarization. We have found significant changes in the Mössbauer spectra of superconductor samples due to hydrogenation and deuterization. The following conclusion can be drawn from the results. The hydrogen and deuterium is localized mainly around the Cu(1) site in these high temperature superconductors hydrogenated or deuterized by gas loading at room temperature. No differences can be detected between the localization of hydrogen and deuterium. The electrolytic hydrogenation or deuterization of these superconductors is accompanied by partial decomposition of the material. In this case hydrogen and deuterium tend to be localized around the Cu(2) sites.

AB - 57Fe and 151Eu Mössbauer spectroscopy and X-ray diffractometry were used to study the hydrogen or deuterium uptake and to obtain information about the localization of hydrogen or deuterium in EuBa2(Cu(57Fe))3O7-dhigh Tc superconductors hydrogenated or deuterized either by gas loading or by electrochemical polarization. We have found significant changes in the Mössbauer spectra of superconductor samples due to hydrogenation and deuterization. The following conclusion can be drawn from the results. The hydrogen and deuterium is localized mainly around the Cu(1) site in these high temperature superconductors hydrogenated or deuterized by gas loading at room temperature. No differences can be detected between the localization of hydrogen and deuterium. The electrolytic hydrogenation or deuterization of these superconductors is accompanied by partial decomposition of the material. In this case hydrogen and deuterium tend to be localized around the Cu(2) sites.

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