Phonon-induced quantum magnetic deflagration in Mn12

被引：9
|
作者：
Hernandez-Minguez, A. [1 ]
Macia, F. [1 ]
Hernandez, J. M. [1 ]
Tejada, J. [1 ]
Santos, P. V. [2 ]
机构：
[1] Univ Barcelona, Fac Fis, Dept Fis Fonamental, E-08028 Barcelona, Spain
[2] Paul Drude Inst Festkorperelekt, D-10117 Berlin, Germany
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2008年 / 320卷 / 08期
关键词：
molecular magnetism; magnetic avalanches; surface acoustic waves;
D O I：
10.1016/j.jmmm.2007.12.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A comprehensive set of experiments on the effect of high- frequency surface acoustic waves, SAWs, in the spin relaxation in Mn-12 - acetate is presented. We have studied the quantum magnetic deflagration induced by SAWs under various experimental conditions extending the data previously shown. We have focused our study on the dependence of both the ignition time and the propagation speed of the magnetic avalanches on the frequency, amplitude, and duration of the SAW pulses in experiments performed under different temperatures and external magnetic fields. (c) 2007 Elsevier B. V. All rights reserved.
引用
收藏
页码：1457 / 1463
页数：7
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