抄録
We have measured the transport properties in Ca and Zn substituted NdBa2Cu3O7-δ (Nd123) single crystals grown by the travelling solvent floating zone (TSFZ) method. The normal state resistivity decreased with Ca doping and the electronic state changed into an over-doped state, which was revealed by the fact that the temperature dependence of resistivity turned into super-linear from the T-linear behavior. In contrast, a normal state resistivity increased with Zn doping presumably due to the fact that Zn acted as a scattering center. It was found that a combined addition of Ca and Zn was effective in increasing the irreversibility field and the critical current density simultaneously through the optimization of carrier concentration and pinning performance.
| 元の言語 | English |
|---|---|
| ページ（範囲） | 157-160 |
| ページ数 | 4 |
| ジャーナル | Physica C: Superconductivity and its Applications |
| 巻 | 392-396 |
| 発行部数 | PART 1 |
| DOI | |
| 出版物ステータス | Published - 2003 10 |
| 外部発表 | Yes |
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ASJC Scopus subject areas
- Condensed Matter Physics
これを引用
Transport properties in Ca and Zn substituted NdBa2Cu 3O7-δ single crystals. / Tamaki, M.; Machi, T.; Kato, I.; Koshizuka, N.; Murakami, Masato; Arai, S.
：: Physica C: Superconductivity and its Applications, 巻 392-396, 番号 PART 1, 10.2003, p. 157-160.研究成果: Article
}
TY - JOUR
T1 - Transport properties in Ca and Zn substituted NdBa2Cu 3O7-δ single crystals
AU - Tamaki, M.
AU - Machi, T.
AU - Kato, I.
AU - Koshizuka, N.
AU - Murakami, Masato
AU - Arai, S.
PY - 2003/10
Y1 - 2003/10
N2 - We have measured the transport properties in Ca and Zn substituted NdBa2Cu3O7-δ (Nd123) single crystals grown by the travelling solvent floating zone (TSFZ) method. The normal state resistivity decreased with Ca doping and the electronic state changed into an over-doped state, which was revealed by the fact that the temperature dependence of resistivity turned into super-linear from the T-linear behavior. In contrast, a normal state resistivity increased with Zn doping presumably due to the fact that Zn acted as a scattering center. It was found that a combined addition of Ca and Zn was effective in increasing the irreversibility field and the critical current density simultaneously through the optimization of carrier concentration and pinning performance.
AB - We have measured the transport properties in Ca and Zn substituted NdBa2Cu3O7-δ (Nd123) single crystals grown by the travelling solvent floating zone (TSFZ) method. The normal state resistivity decreased with Ca doping and the electronic state changed into an over-doped state, which was revealed by the fact that the temperature dependence of resistivity turned into super-linear from the T-linear behavior. In contrast, a normal state resistivity increased with Zn doping presumably due to the fact that Zn acted as a scattering center. It was found that a combined addition of Ca and Zn was effective in increasing the irreversibility field and the critical current density simultaneously through the optimization of carrier concentration and pinning performance.
KW - Ca substitution
KW - NdBaCuO single crystals
KW - Transport properties
KW - Zn substitution
UR - http://www.scopus.com/inward/record.url?scp=0042190356&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0042190356&partnerID=8YFLogxK
U2 - 10.1016/S0921-4534(03)01106-7
DO - 10.1016/S0921-4534(03)01106-7
M3 - Article
AN - SCOPUS:0042190356
VL - 392-396
SP - 157
EP - 160
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
SN - 0921-4534
IS - PART 1
ER -