TY - JOUR
T1 - Magnetic order induced by hydrogen in YBa2Cu4O8
AU - Felner, I.
AU - Asaf, U.
AU - Nowik, I.
AU - Bauminger, E. R.
AU - Yakar, L. Frenkel Ben
AU - Goren, S. D.
AU - Korn, C.
PY - 1994/12
Y1 - 1994/12
N2 - Magnetic susceptibility, Mossbauer spectroscopy and x-ray diffraction measurements were performed to study the superconducting (SC) and magnetic properties of hydrogen changed bulk YBa2(Cu0.99Fe0.01)4O8Hy. For y<1 the c lattice parameter decreases with y. Tc=59 K is unaffected by hydrogen charging, but the shielding fraction (SF) is reduced sharply from 38% (at y=0) to 17% and 3% for y=1 and 1.85, respectively. The Mosssbauer spectra (MS) for hydrogen charged samples contain a magnetic pattern composed of two sextets, between 4.1 K and TN=360 K. The relative amount of the magnetic pattern depends on hydrogen concentration. The MS obtained for y=1 is a superposition of spectra obtained for y=0 and those for y=2, showing a phase separation into magnetic and superconducting regions in YBa2Cu4O8Hy.
AB - Magnetic susceptibility, Mossbauer spectroscopy and x-ray diffraction measurements were performed to study the superconducting (SC) and magnetic properties of hydrogen changed bulk YBa2(Cu0.99Fe0.01)4O8Hy. For y<1 the c lattice parameter decreases with y. Tc=59 K is unaffected by hydrogen charging, but the shielding fraction (SF) is reduced sharply from 38% (at y=0) to 17% and 3% for y=1 and 1.85, respectively. The Mosssbauer spectra (MS) for hydrogen charged samples contain a magnetic pattern composed of two sextets, between 4.1 K and TN=360 K. The relative amount of the magnetic pattern depends on hydrogen concentration. The MS obtained for y=1 is a superposition of spectra obtained for y=0 and those for y=2, showing a phase separation into magnetic and superconducting regions in YBa2Cu4O8Hy.
UR - https://www.scopus.com/pages/publications/43949160673
U2 - 10.1016/0921-4534(94)92027-3
DO - 10.1016/0921-4534(94)92027-3
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AN - SCOPUS:43949160673
SN - 0921-4534
VL - 235-240
SP - 1603
EP - 1604
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
IS - PART 3
ER -