Article(id=1256186034174440444, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1256186027853624275, articleNumber=null, orderNo=null, doi=10.11858/gywlxb.20261050, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1773072000000, receivedDateStr=2026-03-10, revisedDate=1774281600000, revisedDateStr=2026-03-24, acceptedDate=1774800000000, acceptedDateStr=2026-03-30, onlineDate=1777427689354, onlineDateStr=2026-04-29, pubDate=1775318400000, pubDateStr=2026-04-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1777427689354, onlineIssueDateStr=2026-04-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1777427689354, creator=13701087609, updateTime=1777427689354, updator=13701087609, issue=Issue{id=1256186027853624275, tenantId=1146029695717560320, journalId=1255847867265597444, year='2026', volume='40', issue='4', pageStart='040101-1', pageEnd='045301-13', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1777427687845, creator=13701087609, updateTime=1777427791253, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1256186461888627074, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1256186027853624275, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1256186461888627075, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1256186027853624275, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=040107-1, endPage=040107-8, ext={EN=ArticleExt(id=1256186036019933190, articleId=1256186034174440444, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Measurement Principle of Modulated Magnetic Susceptibility in Diamond Anvil, columnId=1256186029531345878, journalTitle=Chinese Journal of High Pressure Physics, columnName=Young Scientists’ Forum, runingTitle=null, highlight=null, articleAbstract=
Superconductivity is defined by two fundamental criteria: zero electrical resistance and the Meissner effect. However, measuring the magnetic properties of samples under high pressure in diamond anvil cells—where sample sizes are limited to tens of micrometers and confined spatially—has long been a challenging task in high-pressure research. Magnetic measurements under high pressure using diamond anvil cells can generally be classified into four distinct methods. Among these, the modulated magnetic susceptibility measurement, which employs laboratory-fabricated multi-turn micro-coils and two lock-in amplifiers connected in series, has often yielded contradictory experimental results in the literature due to an insufficient understanding of its underlying measurement principles. In this work, starting from the experimental configuration and Faraday’s law of electromagnetic induction, we re-derive the expressions for the signal magnitude of the superconducting diamagnetic transition registered on the primary and secondary lock-in amplifiers. We obtain an expression for the signal amplification introduced by the modulated magnetic field, thereby clarifying the measurement principle of modulated magnetic susceptibility and identifying potential issues in previous studies.
, correspAuthors=Yazhou ZHOU, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Chinese Journal of High Pressure Physics. All rights reserved., 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, authorCompany=null, fund=null, authors=null, authorsList=Yazhou ZHOU, Jing GUO, Shurong CHEN), CN=ArticleExt(id=1256186058153275676, articleId=1256186034174440444, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=金刚石压砧中调制磁化率的测量原理, columnId=1256186029946581977, journalTitle=高压物理学报, columnName=优秀青年专辑, runingTitle=null, highlight=null, articleAbstract=
超导电性以零电阻行为和迈斯纳效应作为2个核心判据。在金刚石压砧所形成的高压环境下,样品尺寸仅数十微米,且空间受限,其磁性测量一直是高压研究中的难点。基于金刚石压砧进行高压下的磁性测量大致可以分为4种不同的方法,其中,使用实验室自制的多匝数微型线圈和2台串联锁相放大器的调制磁化率测量因测量原理未被很好地理解,导致以往的研究中常出现自相矛盾的实验结果。为此,从实验构型和法拉第电磁感应定律出发,重新推导了超导样品的抗磁转变在一级和二级锁相放大器上信号大小的表达式,得到了引入调制磁场之后信号放大幅度的表达式,深入理解了调制磁化率的测量原理,指出了以往文献中可能存在的问题。
, correspAuthors=周亚洲, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《高压物理学报》编辑部 2026, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=tnydz3iaJOlIRobQ0x6F4g==, magXml=Li2c9ldgW8Q3iEKxksHQMg==, pdfUrl=null, pdf=uX5sKVT5K+zi4yF5gbgIBg==, pdfFileSize=7899380, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=ahz3lWDu4BdC4TSq6Ik7ug==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=AhxBkztvYmvhk3ne4t6OBw==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=周亚洲, 郭静, 陈姝蓉)}, authors=[Author(id=1256186060695023920, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhouyz@iphy.ac.cn, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1256186060984430899, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, authorId=1256186060695023920, language=EN, stringName=Yazhou ZHOU, firstName=Yazhou, middleName=null, lastName=ZHOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1256186061449998645, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, authorId=1256186060695023920, language=CN, stringName=周亚洲, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1中国科学院物理研究所, 北京 100080, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1256186059424149795, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, xref=1, ext=[AuthorCompanyExt(id=1256186059487064355, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, companyId=1256186059424149795, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1中国科学院物理研究所, 北京 100080)])]), Author(id=1256186061844263224, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1256186062800564540, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, authorId=1256186061844263224, language=EN, stringName=Jing GUO, firstName=Jing, middleName=null, lastName=GUO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2College of Mechanical and Electrical Engineering, Hohai University, Nanjing 210024, Jiangsu, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1256186065619136841, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, authorId=1256186064335679810, language=CN, stringName=陈姝蓉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2河海大学机电工程学院, 江苏 南京 210024, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1256186060149764392, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, xref=2, ext=[AuthorCompanyExt(id=1256186060246233386, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, companyId=1256186060149764392, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2河海大学机电工程学院, 江苏 南京 210024)])])], keywords=[Keyword(id=1256186066416054604, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, language=EN, orderNo=1, keyword=diamond anvil cell), Keyword(id=1256186066873233746, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, language=EN, orderNo=2, keyword=magnetic susceptibility measurement), Keyword(id=1256186067326218583, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, language=EN, orderNo=3, keyword=modulated magnetic susceptibility), Keyword(id=1256186067682734428, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, language=EN, orderNo=4, keyword=superconducting diamagnetic signal), Keyword(id=1256186068135719265, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, language=CN, orderNo=1, keyword=金刚石压砧), Keyword(id=1256186068546761060, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, language=CN, orderNo=2, keyword=磁化率测量), Keyword(id=1256186068798419304, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, language=CN, orderNo=3, keyword=调制磁化率), Keyword(id=1256186069175906668, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, language=CN, orderNo=4, keyword=超导抗磁信号)], refs=[Reference(id=1256186071335973269, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=1, rfOrder=0, authorNames=null, journalName=null, refType=null, unstructuredReference=MINKOV V S, KSENOFONTOV V, BUD’KO S L, et al. Magnetic flux trapping in hydrogen-rich high-temperature superconductors [J]. Nature Physics, 2023, 19(9): 1293–1300., articleTitle=null, refAbstract=null), Reference(id=1256186071432442265, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=2, rfOrder=1, authorNames=null, journalName=null, refType=null, unstructuredReference=DROZDOV A P, KONG P P, MINKOV V S, et al. Superconductivity at 250 K in lanthanum hydride under high pressures [J]. Nature, 2019, 569(7757): 528–531., articleTitle=null, refAbstract=null), Reference(id=1256186071625380256, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=3, rfOrder=2, authorNames=null, journalName=null, refType=null, unstructuredReference=MINKOV V S, BUD’KO S L, BALAKIREV F F, et al. Magnetic field screening in hydrogen-rich high-temperature superconductors [J]. Nature Communications, 2022, 13(1): 3194., articleTitle=null, refAbstract=null), Reference(id=1256186071826706852, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1256186034174440444, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=4, rfOrder=3, authorNames=null, journalName=null, refType=null, unstructuredReference=ZHU Y H, PENG D, ZHANG E K, et al. Superconductivity in pressurized trilayer La
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