AN EARLY STAGE OF OXYGEN ORDERING IN YBA2CU3O6+X (0 LESS-THAN-OR-EQUAL-TO 1)

被引：12

作者：

ZHU, Y ^{[1
]}

MOODENBAUGH, AR ^{[1
]}

SUENAGA, M ^{[1
]}

TAFTO, J ^{[1
]}

机构：

[1] UNIV OSLO,DEPT PHYS,OSLO 3,NORWAY

来源：

PHYSICA C | 1990年 / 167卷 / 3-4期

关键词：

D O I：

10.1016/0921-4534(90)90356-J

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Short range order electron scattering from quenched YBa2Cu3O6+x is described. In the (100) plane, the extent of ordering domains is 5 nm. The width in the (100) direction is a function of x, reaching the maximum (≈ 10 nm) near x ≈ 0.6. A proposed model of oxygen ordering is based on (100) planes having alternating fully occupied and vacant chain sites. Observed variation of domain size with x is consistent with there being no oxygen transport beyond nearest neighbor (100) planes in this initial stage of the ordering process. © 1990.

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页码：363 / 368

页数：6

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