{"id":"https://openalex.org/W7225144362","doi":"https://doi.org/10.48550/arxiv.2611.03180","title":"Pressure-correlation phase diagram unraveling quantum phase transitions in altermagnetic $\u03b5$-FeOOH and realization of piezo-anomalous Hall effect","display_name":"Pressure-correlation phase diagram unraveling quantum phase transitions in altermagnetic $\u03b5$-FeOOH and realization of piezo-anomalous Hall effect","publication_year":2026,"publication_date":"2026-11-02","ids":{"openalex":"https://openalex.org/W7225144362","doi":"https://doi.org/10.48550/arxiv.2611.03180"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2611.03180","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2611.03180","pdf_url":"https://arxiv.org/pdf/2611.03180","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2611.03180","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5087243155","display_name":"Arijit Mandal","orcid":"https://orcid.org/0000-0002-9666-0366","observed_orcids":["https://orcid.org/0000-0002-9666-0366"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mandal, Arijit","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004672475","display_name":"Nayana Devaraj","orcid":"https://orcid.org/0000-0003-1695-7387","observed_orcids":["https://orcid.org/0000-0003-1695-7387"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Devaraj, Nayana","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5000182570","display_name":"B. R. K. Nanda","orcid":"https://orcid.org/0000-0001-8330-4824","observed_orcids":["https://orcid.org/0000-0001-8330-4824"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Nanda, Birabar Ranjit Kumar","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11682","display_name":"Advanced Condensed Matter Physics","score":0.6762999892234802,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11682","display_name":"Advanced Condensed Matter Physics","score":0.6762999892234802,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10607","display_name":"Magnetic and transport properties of perovskites and related materials","score":0.09830000251531601,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10886","display_name":"Multiferroics and related materials","score":0.08229999989271164,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/iron-oxyhydroxides","display_name":"iron oxyhydroxide","score":0.9470000267028809},{"id":"https://openalex.org/keywords/quantum-phase-transitions","display_name":"quantum phase transitions","score":0.9789999723434448},{"id":"https://openalex.org/keywords/altermagnetism","display_name":"altermagnetism","score":0.8709999918937683},{"id":"https://openalex.org/keywords/anomalous-hall-conductivity","display_name":"anomalous Hall conductivity","score":0.777999997138977},{"id":"https://openalex.org/keywords/spin-quantization-axis","display_name":"spin quantization axis","score":0.7950000166893005},{"id":"https://openalex.org/keywords/mott-transition","display_name":"Mott transition","score":0.7979999780654907},{"id":"https://openalex.org/keywords/hund-coupling","display_name":"Hund's coupling","score":0.906000018119812},{"id":"https://openalex.org/keywords/crystal-field-splitting","display_name":"crystal field splitting","score":0.9869999885559082},{"id":"https://openalex.org/keywords/structural-phase-transition","display_name":"structural phase transition","score":0.6690000295639038},{"id":"https://openalex.org/keywords/electron-correlation","display_name":"electron correlation","score":0.5860000252723694}],"concepts":[{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.8464000225067139},{"id":"https://openalex.org/C85906118","wikidata":"https://www.wikidata.org/wiki/Q186693","display_name":"Phase diagram","level":3,"score":0.8170999884605408},{"id":"https://openalex.org/C122507166","wikidata":"https://www.wikidata.org/wiki/Q628906","display_name":"Crossover","level":2,"score":0.7070000171661377},{"id":"https://openalex.org/C72190298","wikidata":"https://www.wikidata.org/wiki/Q2118253","display_name":"Quantum phase transition","level":3,"score":0.7038999795913696},{"id":"https://openalex.org/C149288129","wikidata":"https://www.wikidata.org/wiki/Q185357","display_name":"Phase transition","level":2,"score":0.6304000020027161},{"id":"https://openalex.org/C200369452","wikidata":"https://www.wikidata.org/wiki/Q1047822","display_name":"Quantum Hall effect","level":3,"score":0.6184999942779541},{"id":"https://openalex.org/C2781089630","wikidata":"https://www.wikidata.org/wiki/Q21856745","display_name":"Realization (probability)","level":2,"score":0.5235999822616577},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5164999961853027},{"id":"https://openalex.org/C146366752","wikidata":"https://www.wikidata.org/wiki/Q7269030","display_name":"Quantum critical point","level":4,"score":0.5156999826431274},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.4876999855041504},{"id":"https://openalex.org/C134112204","wikidata":"https://www.wikidata.org/wiki/Q10656","display_name":"Hall effect","level":3,"score":0.4796999990940094},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.4007999897003174},{"id":"https://openalex.org/C80891386","wikidata":"https://www.wikidata.org/wiki/Q7269084","display_name":"Quantum phases","level":4,"score":0.3646000027656555},{"id":"https://openalex.org/C2777205815","wikidata":"https://www.wikidata.org/wiki/Q25304680","display_name":"Quantum anomalous Hall effect","level":4,"score":0.35499998927116394},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.30559998750686646},{"id":"https://openalex.org/C131540310","wikidata":"https://www.wikidata.org/wiki/Q907564","display_name":"Conductivity","level":2,"score":0.28850001096725464},{"id":"https://openalex.org/C194807282","wikidata":"https://www.wikidata.org/wiki/Q900634","display_name":"Critical phenomena","level":3,"score":0.2856000065803528},{"id":"https://openalex.org/C196298200","wikidata":"https://www.wikidata.org/wiki/Q577705","display_name":"Critical point (mathematics)","level":2,"score":0.28130000829696655},{"id":"https://openalex.org/C141886431","wikidata":"https://www.wikidata.org/wiki/Q1193821","display_name":"Quantum fluctuation","level":3,"score":0.2791999876499176},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.2770000100135803},{"id":"https://openalex.org/C186399060","wikidata":"https://www.wikidata.org/wiki/Q959962","display_name":"Diagram","level":2,"score":0.26989999413490295},{"id":"https://openalex.org/C7515221","wikidata":"https://www.wikidata.org/wiki/Q2252683","display_name":"Weak localization","level":4,"score":0.2696000039577484},{"id":"https://openalex.org/C145727058","wikidata":"https://www.wikidata.org/wiki/Q7269101","display_name":"Quantum spin Hall effect","level":4,"score":0.26809999346733093}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2611.03180","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2611.03180","pdf_url":"https://arxiv.org/pdf/2611.03180","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2611.03180","doi":"https://doi.org/10.48550/arxiv.2611.03180","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2611.03180","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2611.03180","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2611.03180","pdf_url":"https://arxiv.org/pdf/2611.03180","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2106438903","https://openalex.org/W3210317561","https://openalex.org/W2419291265","https://openalex.org/W4327877157","https://openalex.org/W7162256950","https://openalex.org/W4406806655","https://openalex.org/W2008315080","https://openalex.org/W4407720177","https://openalex.org/W2796901684","https://openalex.org/W3045705249"],"abstract_inverted_index":{"We":[0],"establish":[1],"a":[2,53,63,121,176,189,197],"pressure-correlation":[3],"phase":[4,11,105,109,133],"diagram":[5],"that":[6,37],"yields":[7],"multiple":[8],"pressure-tunable":[9],"quantum":[10],"transitions":[12,23],"in":[13,65,86,91,127,154],"iron":[14],"oxyhydroxide":[15],"($\u03b5$-FeOOH)":[16],"across":[17],"three":[18],"critical":[19,95,123],"pressures,":[20],"$P_{c1}>P_{c2}>P_{c3}$.":[21],"The":[22,74,94],"arise":[24],"from":[25,55,70,102,147],"the":[26,38,66,83,99,128,132,136,145,186],"competition":[27],"among":[28],"electron-correlation,":[29],"crystal-field,":[30],"and":[31,62,77,89,157,160,172,192],"Hund's":[32,92],"coupling.":[33,93],"First-principles":[34],"calculations":[35],"reveal":[36],"earlier":[39],"reported":[40],"high-spin":[41],"(HS)":[42],"to":[43,57,72,106,112,149],"low-spin":[44],"(LS)":[45],"crossover":[46,76],"at":[47,188,196],"correlation-sensitive":[48],"$P_{c1}$":[49],"is":[50,80,110,119,141],"accompanied":[51],"by":[52,82],"transition":[54,79,101],"charge-transfer":[56],"Mott":[58],"insulating":[59],"(CTI-MI)":[60],"phase,":[61],"change":[64,193],"spin-quantization":[67],"axis":[68],"(SQA)":[69],"$\\hat{y}$":[71],"$\\hat{x}$.":[73],"HS-LS":[75],"CTI-MI":[78],"driven":[81],"simultaneous":[84],"increase":[85],"crystal-field":[87],"splitting":[88],"decrease":[90],"pressure":[96,124,191],"$P_{c2}$":[97],"governing":[98],"structural":[100],"centrosymmetric":[103],"$Pnnm$":[104,158],"noncentrosymmetric":[107],"$P2_1nm$":[108,156],"found":[111],"be":[113],"independent":[114],"of":[115,131],"electron-correlation.":[116],"When":[117],"correlation":[118],"strong,":[120],"third":[122],"($P_{c3}$)":[125],"emerges":[126],"lower-pressure":[129],"regime":[130],"diagram.":[134],"Validating":[135],"recent":[137],"experimental":[138],"observation,":[139],"$P_{c3}$":[140],"responsible":[142],"for":[143,168],"changing":[144],"SQA":[146,169],"$\\hat{z}$":[148],"$\\hat{y}$.":[150],"By":[151],"exhibiting":[152],"altermagnetism":[153],"both":[155],"phases":[159],"possessing":[161],"finite":[162],"anomalous":[163],"Hall":[164,179],"conductivity":[165],"(AHC)":[166],"only":[167],"along":[170],"$\\hat{x}$":[171],"$\\hat{y}$,":[173],"$\u03b5$-FeOOH":[174],"enables":[175],"unique":[177],"piezo-anomalous":[178],"effect":[180],"where":[181],"one":[182],"can":[183],"switch":[184],"on":[185],"AHC":[187],"lower":[190],"its":[194],"direction":[195],"higher":[198],"pressure.":[199]},"counts_by_year":[],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-11-04T00:00:00"}