%0 Journal Article
%T ULTRASONIC ATTENUATION AND INTERNAL FRICTION DURING FERROELASTIC TRANSFORMATION OF Gd2(MoO4)3 CRYSTAL<br>钼酸钆晶体铁弹相变的超声衰减和内耗
%A WANG YA-GU
%A WANG YE-NING
%A <br>王雅谷
%A 王业宁
%J 物理学报
%D 1985
%I 
%X 用四个频率(f=31,50,72,93MHz)超声纵波测量了钼酸钆晶体铁弹铁电相变(Tc=160.90℃)引起的超声衰减(αs)峰。得到较准确的αs正比f2的关系,求得Tc以上αs的临界指数从1.52±0.12变到0.89±0.12。有渡越现象。用低频(f=1Hz和150kHz)测出了相变内耗峰,肯定其为相界面运动所引起。并求得界面运动的临界应力,从而确定了本文中测得的超声衰
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=D228AC1002CB36D2B610433044BDCB64&yid=74E41645C164CD61&vid=339D79302DF62549&iid=E158A972A605785F&sid=F3A3627BFEF439C1&eid=F3549E0657848E2A&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=0