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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=57" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">新观察到的磁状态可助力研发超快存储芯片 </h1> <p class="xg1"> 时间：2025-6-16 08:43<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(142)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=10279&idtype=aid" title="查看全部评论"><em id="_commentnum">6</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=57" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>麻省理工学院的研究人员在一种合成晶体材料中展示了一种全新的磁性形式。他们称之为p波磁性。这一发现意义重大，因为以这种方式控制电子自旋的能力为开发更快、更节能的“自旋电子”存储设备作为当前电子产品的替代 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><p id="3N0NVCHA" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 麻省理工学院的研究人员在一种合成<a href="http://material.oecr.com" target="_blank" class="relatedlink">晶体</a><a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>中展示了一种全新的磁性形式。他们称之为p波磁性。这一发现意义重大，因为以这种方式控制<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>自旋的能力为开发更快、更节能的“自旋电子”存储设备作为当前电子<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>的替代品提供了一条有希望的途径。</p><p class="f_center" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: center; line-height: 20px; font-size: 16px; color: rgb(102, 102, 102); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif;"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2025%2F0614%2Fee86619aj00sxu8cv001bd000hs00bvg.jpg&thumbnail=660x2147483647&quality=80&type=jpg" style="box-sizing: inherit; border: 0px; max-width: 100%; margin-bottom: 10px;"><br style="box-sizing: inherit;"></p><p id="3N0NVCHB" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> NiI2 三角晶格上的螺旋磁序（浅蓝色箭头）（黑色球体代表 Ni 原子）实现了电切换的 p 波磁性（白色锯齿线）</p><p id="3N0NVCHC" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 在普通铁磁体中，其原子中的电子都具有相同的自旋方向。在反铁磁体（例如某些金属合金和金属氧化物）中，电子具有交替自旋，这导致它们不表现出宏观磁化。</p><p id="3N0NVCHD" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 在一片薄如晶片的碘化镍晶体样品中，研究团队观察到镍原子的自旋在整个材料晶格中呈螺旋状排列。这种独特的螺旋排列模式可以沿两种不同的方向旋转，并且可以通过圆偏振光束产生的微弱电场进行切换。</p><p id="3N0NVCHE" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 这对于开发高效的新设备（例如计算机的内存芯片）非常有用。“有了这样的自旋电流，你可以在设备层面上做一些有趣的事情，例如，你可以翻转磁畴，从而控制磁位，”上个月发表在《自然》杂志上的论文作者、研究员里卡多·科明（Riccardo Comin）解释说。“这些自旋电子效应比传统电子器件更高效，因为你只是移动自旋，而不是移动电荷。这意味着你不会受到任何产生热量的耗散效应的影响，而这正是计算机发热的根本原因。”</p><p id="3N0NVCHF" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 概括来说，自旋电子学是一个相对较新的领域，它利用电子自旋的方向来存储信息并执行逻辑运算——类似于我们在当今的电子器件中利用电流的流动来表示“1”和“0”。以下是两分钟内对这个概念的简单解释：</p><p id="3N0NVCHG" style="box-sizing: inherit; margin: 34px 0px; padding: 0px; text-align: justify; color: rgb(64, 64, 64); font-family: Arial, "Hiragino Sans GB", STHeiti, "Helvetica Neue", Helvetica, "Microsoft Yahei", "WenQuanYi Micro Hei", sans-serif; font-size: 18px;"> 研究员宋倩认为，由于这一特性只需要控制很小的电场，“P波磁体可以节省五个数量级的能量。这是一个巨大的进步。”</p><p id="3N0NVCHH" 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</div></div></div></div></div><!--[/diy]--> </div> <!--[diy=diycontentrelate]--><div id="diycontentrelate" class="area"></div><!--[/diy]--> <div id="comment" class="bm"> <div class="bm_h cl"> <a href="javascript:;" class="y xi2" onclick="location.href=location.href.replace(/(\#.*)/, '')+'#cform';$('message').focus();return false;">发表评论</a> <h3>最新评论</h3> </div> <div id="comment_ul" class="bm_c"> <p class="ptm pbm"><a href="http://www.oecr.com/portal.php?mod=comment&id=10279&idtype=aid" class="xi2">查看全部评论(<em id="_commentnum">6</em>)</a></p><form id="cform" name="cform" action="portal.php?mod=portalcp&ac=comment" method="post" autocomplete="off"> <div class="tedt"> <div class="area"> <textarea name="message" rows="3" class="pt" id="message" onkeydown="ctrlEnter(event, 'commentsubmit_btn');"></textarea> </div> </div> <div class="mtm"><span id="secqaa_qSAGren0"></span> <script type="text/javascript" reload="1">updatesecqaa('qSAGren0', '<sec> <span id="sec<hash>" 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value="true" class="pn"><strong>评论</strong></button></p> </form> <a name="comment_anchor_35896"></a> <dl id="comment_35896_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(35896, '10279');">引用</a> </span> <a href="http://club.oecr.com/space-uid-33299.html" class="xi2 xw1" c="1">笛声何处</a> <span class="xg1 xw0">2025-6-16 08:43</span> </dt> <dd>真的不错的网站。</dd> </dl><a name="comment_anchor_35893"></a> <dl id="comment_35893_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(35893, '10279');">引用</a> </span> <a href="http://club.oecr.com/space-uid-61919.html" class="xi2 xw1" c="1">eulerr</a> <span class="xg1 xw0">2025-6-16 08:43</span> </dt> <dd>真的不错的网站。</dd> </dl><a name="comment_anchor_35892"></a> <dl id="comment_35892_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(35892, '10279');">引用</a> </span> <a href="http://club.oecr.com/space-uid-13395.html" class="xi2 xw1" c="1">killer250516</a> <span class="xg1 xw0">2025-6-16 08:43</span> </dt> <dd>不错，管理员多宣传这里啊。</dd> </dl><a name="comment_anchor_35895"></a> <dl id="comment_35895_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(35895, '10279');">引用</a> </span> <a href="http://club.oecr.com/space-uid-17536.html" class="xi2 xw1" c="1">jsjchina</a> <span class="xg1 xw0">2025-6-16 08:43</span> </dt> <dd>消灭零回复啊。</dd> </dl><a name="comment_anchor_35891"></a> <dl id="comment_35891_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(35891, '10279');">引用</a> </span> <a href="http://club.oecr.com/space-uid-91890.html" class="xi2 xw1" c="1">KKQQDD</a> <span class="xg1 xw0">2025-6-16 08:43</span> </dt> <dd>好，很好，非常好！</dd> </dl><a name="comment_anchor_35894"></a> <dl id="comment_35894_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(35894, '10279');">引用</a> </span> <a href="http://club.oecr.com/space-uid-12967.html" class="xi2 xw1" c="1">eei2004</a> <span class="xg1 xw0">2025-6-16 08:43</span> </dt> <dd>支持支持再支持</dd> </dl></div> </div> <!--[diy=diycontentcomment]--><div id="diycontentcomment" class="area"></div><!--[/diy]--> </div> <div class="sd pph"> <div class="drag"> <!--[diy=diyrighttop]--><div id="diyrighttop" class="area"><div id="frameZRVHza" class="sy_ltdr frame move-span cl frame-1"><div class="frame-title title"><span class="titletext">社区成员推荐</span></div><div id="frameZRVHza_left" class="column frame-1-c"><div id="frameZRVHza_left_temp" class="move-span temp"></div><div id="portal_block_905" class="cl_block_bm block move-span"><div id="portal_block_905_content" class="dxb_bc"><div class="module cl ml mls"> <ul><li> <a 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