氧化镓的同步辐射研究  被引量：3

SYNCHROTRON RADIATION DIFFRACTION OF GALLIUM OXIDE UNDER HIGH PRESSURE</em> <p class='article-op'> <span id="bdshare" class="bdshare_t bds_tools get-codes-bdshare baidufx"><span><span class="bds_more" style="display: block; width: 62px; height: 29px; background: url(/images/share.gif) no-repeat!important; padding: 0;"></span></span></span> </p> <p class="article-source"> <a href ='/article/read.aspx?id=6816811' class='btnTitle btnIsView' target='_blank'><img alt='在线阅读' src='/images/btn-read.png'/></a><a class='btnTitle btnIsView' href="javascript:showdown('LKt83uD4R2hgwBGYpyUM3JWvKOnVnh7VPB3op2+q21k=')"><img alt="下载全文" src="/images/btn-down.png" /></a> <input id="hiddowninfo" type="hidden" value="LKt83uD4R2hgwBGYpyUM3JWvKOnVnh7VPB3op2+q21k="/> </p> <div class="collect" style="display: none"> <h5>我的收藏</h5> <div class="cnt"> <p> 名 称：<input type="text" name="collTitle" id="collSumTitle" /> </p> <p> 注 释：<input type="text" name="collRemark" id="collSumRemark" /> </p> <p style="text-align: 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href='/zk/search.aspx?key=A%3d%5b%e7%8e%8b%e6%88%90%e6%96%b0%5d' title='王成新[1]'>王成新[1]</a> <a href='/writer/article.aspx?id=100000003513263' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e9%ab%98%e6%98%a5%e6%99%93%5d' title='高春晓[1]'>高春晓[1]</a> <a href='/writer/article.aspx?id=100000013278319' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e5%bc%a0%e5%89%91%5d' title='张剑[1]'>张剑[1]</a> <a href='/writer/article.aspx?id=100000009922920' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e5%88%98%e6%99%af%5d' title='刘景[2]'>刘景[2]</a> <a href='/writer/article.aspx?id=100000007001213' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e9%82%b9%e5%b9%bf%e7%94%b0%5d' title='邹广田[1]'>邹广田[1]</a> <em> </em></p><p class='organ'><strong>机构地区：</strong><a href='/organ/article.aspx?id=45803&subid=&showname=&searchtype=' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=S%3d%e5%90%89%e6%9e%97%e5%a4%a7%e5%ad%a6%e8%b6%85%e7%a1%ac%e6%9d%90%e6%96%99%e5%9b%bd%e5%ae%b6%e9%87%8d%e7%82%b9%e5%ae%9e%e9%aa%8c%e5%ae%a4' title='[1]吉林大学超硬材料国家重点实验室,吉林长春130023'>[1]吉林大学超硬材料国家重点实验室,吉林长春130023</a> <a href='/organ/article.aspx?id=18923&subid=&showname=&searchtype=' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=S%3d%e4%b8%ad%e5%9b%bd%e7%a7%91%e5%ad%a6%e9%99%a2%e9%ab%98%e8%83%bd%e7%89%a9%e7%90%86%e7%a0%94%e7%a9%b6%e6%89%80' title='[2]中国科学院高能物理研究所'>[2]中国科学院高能物理研究所</a> <em> </em></p><p class='from'><strong>出　　处：</strong><a href='/journal/summary.aspx?gch=96553X' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=J%3d%5b%e9%ab%98%e5%8e%8b%e7%89%a9%e7%90%86%e5%ad%a6%e6%8a%a5%5d' title='高压物理学报'>《高压物理学报》</a>2002年第2期81-84,共4页<em>Chinese Journal of High Pressure Physics</em></p><p class='fund'><strong>基　　金：</strong>国家自然科学基金(50072005)</p><p class='abstrack'><strong>摘　　要：</strong>利用金刚石对顶砧(DAC)高压装置产生高压,使用体积比为16∶3∶1的甲醇、乙醇和水混合液作为传压介质,通过原位高压同步辐射技术对氧化镓的高压行为进行了研究(0～42.5GPa)。实验发现在室温下13.3GPa压力附近,单斜结构的氧化镓发生了结构相变,变成三角结构。相变后镓离子由原来同时位于由氧离子围成的四面体和八面体的中心位置变成只位于八面体的中心位置。卸压后的X射线衍射谱表明,氧化镓又恢复为单斜结构,该相变为可逆相变。<em><Abstrcat> The insitu synchrotron radiation diffraction of gallium oxide under high pressure has been studied in the range of 0～42.5 GPa with diamond anvil cell (DAC), using methanolethanolwater (16∶3∶1) mixture as transmission medium. We have found that under room temperature, the monoclinic gallium oxide turns into a rhombohedral one under 13.3GPa.After the phase changing,the Ga ions are only at the centers of the octahedrons instead of their original locations which are at both the centers of the octahedrons and the tetrahedrons. When the pressure back to ambient pressure, the sample turns back to monoclinic structure. </em></p><p class='subject'><strong>关 键 词：</strong><a href='/subject/article.aspx?id=847214' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e6%b0%a7%e5%8c%96%e9%95%93%5d' title='氧化镓'>氧化镓</a> <a href='/zk/search.aspx?key=K%3d%5b%e5%90%8c%e6%ad%a5%e8%be%90%e5%b0%84%5d' title='同步辐射'>同步辐射</a> <a href='/subject/article.aspx?id=5981117' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e9%ab%98%e5%8e%8b%e7%9b%b8%e5%8f%98%5d' title='高压相变'>高压相变</a> <a href='/subject/article.aspx?id=8332587' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5bDAC%5d' title='DAC'>DAC</a> <a href='/subject/article.aspx?id=4937234' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e9%87%91%e5%88%9a%e7%9f%b3%e5%af%b9%e9%a1%b6%e7%a0%a7%5d' title='金刚石对顶砧'>金刚石对顶砧</a> <a href='/zk/search.aspx?key=K%3d%5b%e5%8d%95%e6%96%9c%e7%bb%93%e6%9e%84%5d' title='单斜结构'>单斜结构</a> <a href='/zk/search.aspx?key=K%3d%5b%e4%b8%89%e8%a7%92%e7%bb%93%e6%9e%84%5d' title='三角结构'>三角结构</a> <a href='/subject/article.aspx?id=4911188' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e7%bb%93%e6%9e%84%e7%9b%b8%e5%8f%98%5d' title='结构相变'>结构相变</a> <a href='/subject/article.aspx?id=7938624' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5bX%e5%b0%84%e7%ba%bf%e8%a1%8d%e5%b0%84%e8%b0%b1%5d' title='X射线衍射谱'>X射线衍射谱</a> </p><p class='class'><strong>分 类 号：</strong><a href='/zk/search.aspx?key=C%3dO521.23' title='O521.23'>O521.23</a>[<a href = '/domain/article.aspx?id=400' >理学—高压高温物理</a>] <a href='/zk/search.aspx?key=C%3dO614.371' title='O614.371'>O614.371</a>[<a href = '/domain/article.aspx?id=389' >理学—物理</a>] </p> </div> <div id="content_wzxg" name="wzxg" class="article-graph"> <object width="695" height="250" 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