Austromag -: a new multipurpose quasi-static high-field facility

被引：8

作者：

Grössinger, R ^{[1
]}

Sassik, H ^{[1
]}

Hauser, R ^{[1
]}

Wagner, E ^{[1
]}

Reiterer, K ^{[1
]}

Rzetecki, P ^{[1
]}

Taraba, M ^{[1
]}

机构：

[1] Vienna Tech Univ, Inst Expt Phys, A-1040 Vienna, Austria

来源：

PHYSICA B | 2001年 / 294卷

基金：

美国国家科学基金会;

关键词：

quasistatic field; measuring technique; hard magnetic materials; high-temperature system;

D O I：

10.1016/S0921-4526(00)00720-1

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The new quasi-static high-held installation at the T.U. Wien is described. With a regulated power supply of 10 MW, field pulses up to 40T with a pulse duration of Is can be obtained. Polar and bipolar held pulses are possible. Three working stations were established: (i) a high-temperature magnetometer which allows magnetization measurements between room temperature and 500 degreesC in external fields of 35 degreesT; (ii) a low-temperature system with a maximum held of 40T which operates between 1.5 and 300 K. Magnetization measurements between 1.5 and 800 K in high external fields are possible. (iii) An additional room temperature test system for developing new measurement methods. The construction of the high temperature set-up is described and an example of an experiment is shown. First magnetostriction measurements on an anisotropic technical barium ferrite are shown. Possibilities to improve the signal-to-noise ratio for magnetization measurements are discussed. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：555 / 561

页数：7

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