UNIT CELL-BY-UNIT CELL GROWN (YBA2CU3O7-DELTA)1/(PRBA2CU3O7-DELTA)1 SUPERLATTICE

被引:7
|
作者
KAMIGAKI, K [1 ]
TERASHIMA, T [1 ]
SHIMURA, K [1 ]
BANDO, Y [1 ]
TERAUCHI, H [1 ]
机构
[1] KYOTO UNIV,INST CHEM RES,UJI,KYOTO 611,JAPAN
来源
PHYSICA C | 1991年 / 183卷 / 4-6期
关键词
D O I
10.1016/0921-4534(91)90570-O
中图分类号
O59 [应用物理学];
学科分类号
摘要
Perfect unit cell-by-unit cell growth of RBa2Cu3O7-delta (R; rare-earth metals) was first demonstrated by means of X-ray diffraction. The superlattice of [(YBa2Cu3O7-delta)1/(PrBa2Cu3O7-delta)1]10 was grown by means of reactive evaporation (RE) with reflection high-energy electron diffraction (RHEED) intensity oscillations. No aperiodicity and no intermixing of YBa2Cu3O7-delta and PrBa2Cu3O7-delta due to the interfacial roughness were found, indicating that the RE-growth monitored in situ by RHEED oscillations makes the exact unit cell growth possible following the two-dimensional growth manner.
引用
收藏
页码:252 / 256
页数:5
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