Fabrication and physical properties of c-axis oriented thin films of layered perovskite La2-2xSr1+2xMn2O7

被引：39

作者：

Konishi, Y ^{[1
]}

Kimura, T

Izumi, M

Kawasaki, M

Tokura, Y

机构：

[1] Joint Res Ctr Atom Technol, Tsukuba, Ibaraki 3050046, Japan

[2] Tokyo Inst Technol, Dept Innovat & Engineered Mat, Yokohama, Kanagawa 2268502, Japan

[3] Univ Tokyo, Dept Appl Phys, Tokyo 1138656, Japan

来源：

APPLIED PHYSICS LETTERS | 1998年 / 73卷 / 20期

关键词：

D O I：

10.1063/1.122658

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have grown c-axis oriented films of a layered perovskite La2-2xSr1+2xMn2O7 (x = 0.4) by pulsed laser deposition under the limited growth condition; above 900 degrees C and below 100 mTorr for substrate temperature and oxygen pressure (P-O2), respectively. Otherwise, epitaxial but composition-unidentified films were deposited. The films show a resistive transition around 100 K in coincidence with the magnetic transition. The value of resistivity at low temperature is larger than that of a single crystal by about two orders of magnitude, perhaps due to the canted spin ordering. The films show gigantic magnetoresistance accompanied with hysteresis. (C) 1998 American Institute of Physics. [S0003-6951(98)04246-6].

引用

页码：3004 / 3006

页数：3

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