Article(id=1323357929356795914, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1323357913695268984, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1049644800000, receivedDateStr=2003-04-07, revisedDate=1056038400000, revisedDateStr=2003-06-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1793442717159, onlineDateStr=2026-10-31, pubDate=1078416000000, pubDateStr=2004-03-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793442717159, onlineIssueDateStr=2026-10-31, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793442717159, creator=13701087609, updateTime=1793442717159, updator=13701087609, issue=Issue{id=1323357913695268984, tenantId=1146029695717560320, journalId=1255847867265597444, year='2004', volume='18', issue='1', pageStart='1', pageEnd='96', issueExtLink='null', onlineDate='null', pubDate='1078416000000', pubDateStr='2004-03-05', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793442713426, creator='13701087609', updateTime=1793442858910, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1323358523970695890, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1323357913695268984, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1323358523970695891, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1323357913695268984, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=36, endPage=39, ext={EN=ArticleExt(id=1323357931160346635, articleId=1323357929356795914, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Effect of Preparation Pressure on Magnetoresistance of La_2/3Sr_1/3MnO₃, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The effect of preparation pressure on the structural, magnetic and electronic properties has been investigated for nanostructured bulk samples of La_2/3Sr_1/3MnO₃. The results show that the grain size decreases and magnetoresistance varies with preparation pressure growth. Low-field magnetoresistance weakens in the whole experimental temperature range when preparation pressure increases, which can mainly attribute to strong-link grain boundaries of samples under high preparation pressure. And high-field magnetoresistance gradually becomes stronger at T<200 K, however becomes weaker at T>200 K with the increase of preparation pressure, which can mainly due to the change of grain size caused by preparation pressure.

, authors=Yan-Kun TANG^{1, 2}, Yu SUI¹, Zheng-Nan QIAN¹, Yu-Qiang LIU¹, Da-Peng XU², Wen-Hui SU^{1, 2}, authorsList=Yan-Kun TANG, Yu SUI, Zheng-Nan QIAN, Yu-Qiang LIU, Da-Peng XU, Wen-Hui SU, authorCompany=null, correspAuthors=Yu SUI, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1323357931361673228, articleId=1323357929356795914, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=制备压力对La_2/3Sr_1/3MnO₃的磁电阻效应的影响, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

研究了制备压力对纳米块状样品La_2/3Sr_1/3MnO₃的结构、磁学和电学性质的影响。结果表明：样品的晶粒尺寸随制备压力的增加而变小，且不同样品的磁电阻效应不同。低场磁电阻效应在整个实验温区都随制备压力的升高而变弱，这主要是由制备压力使样品晶粒界面连接更紧密所导致；T<200 K时，高场磁电阻效应随制备压力的升高而变强，T>200 K时，高场磁电阻效应随制备压力的升高反而变弱，这主要是由制备压力改变样品的晶粒尺寸所引起。

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