Abstract
The sensitivity of the experiment for the oxygen and barium substructures was increased by using a mixture of 152Sm, 154Sm and 63Cu isotopes. The role of bounds such as Cu-O, of CuO2 and Ba-O plane distortions, order-disorder phenomena due to oxygen as well as the possibility that Sm exists in a mixed valence state, are discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 415-424 |
| Journal | Physica C: Superconductivity and its Applications |
| Volume | 194 |
| Issue number | 3-4 |
| DOIs | |
| Publication status | Published - 1992 |
| MoE publication type | A1 Journal article-refereed |
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Neutron diffraction study of 152Sm, 154Sm and 63Cu isotope-substituted SmBa2Cu3O7 from 1.5 K to 300 K. / Trunov, Vitali; Kaganovich, Yu; Kurbakov, A.; Matveev, A.; Sovestnov, A.; Hewat, A.; Fischer, P.; Antson, Olli; Maayouf, R.
In: Physica C: Superconductivity and its Applications, Vol. 194, No. 3-4, 1992, p. 415-424.Research output: Contribution to journal › Article › Scientific › peer-review
TY - JOUR
T1 - Neutron diffraction study of 152Sm, 154Sm and 63Cu isotope-substituted SmBa2Cu3O7 from 1.5 K to 300 K
AU - Trunov, Vitali
AU - Kaganovich, Yu
AU - Kurbakov, A.
AU - Matveev, A.
AU - Sovestnov, A.
AU - Hewat, A.
AU - Fischer, P.
AU - Antson, Olli
AU - Maayouf, R.
PY - 1992
Y1 - 1992
N2 - The temperature dependence of the structure of the high temperature superconducting ceramic SmBa2Cu3O7 with Tc=92 K was investigated in the temperature range from 1.5 K to 300 K, using neutron diffraction measurements on a powder sample with the MiniSfinks, D2B and DMC diffractometers. The sensitivity of the experiment for the oxygen and barium substructures was increased by using a mixture of 152Sm, 154Sm and 63Cu isotopes. The role of bounds such as Cu-O, of CuO2 and Ba-O plane distortions, order-disorder phenomena due to oxygen as well as the possibility that Sm exists in a mixed valence state, are discussed.
AB - The temperature dependence of the structure of the high temperature superconducting ceramic SmBa2Cu3O7 with Tc=92 K was investigated in the temperature range from 1.5 K to 300 K, using neutron diffraction measurements on a powder sample with the MiniSfinks, D2B and DMC diffractometers. The sensitivity of the experiment for the oxygen and barium substructures was increased by using a mixture of 152Sm, 154Sm and 63Cu isotopes. The role of bounds such as Cu-O, of CuO2 and Ba-O plane distortions, order-disorder phenomena due to oxygen as well as the possibility that Sm exists in a mixed valence state, are discussed.
U2 - 10.1016/S0921-4534(05)80023-1
DO - 10.1016/S0921-4534(05)80023-1
M3 - Article
VL - 194
SP - 415
EP - 424
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - 3-4
ER -