{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:C7I32FQVFU3ST7UQPLMUGFNNVJ","short_pith_number":"pith:C7I32FQV","schema_version":"1.0","canonical_sha256":"17d1bd16152d3729fe907ad94315adaa41a3ce14719a42cc17056ee5c58ef21a","source":{"kind":"arxiv","id":"1409.2743","version":1},"attestation_state":"computed","paper":{"title":"Sr$_{0.9}$K$_{0.1}$Zn$_{1.8}$Mn$_{0.2}$As$_{2}$: a ferromagnetic semiconductor with colossal magnetoresistance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Guanghan Cao, Jinke Bao, Qian Chen, Qian Tao, Xiaojun Yang, Yuke Li, Yupeng Li, Zhen Wang, Zhu-an Xu","submitted_at":"2014-09-09T16:13:47Z","abstract_excerpt":"A bulk diluted magnetic semiconductor (Sr,K)(Zn,Mn)$_{2}$As$_{2}$ was synthesized with decoupled charge and spin doping. It has a hexagonal CaAl$_{2}$Si$_{2}$-type structure with the (Zn,Mn)$_{2}$As$_{2}$ layer forming a honeycomb-like network. Magnetization measurements show that the sample undergoes a ferromagnetic transition with a Curie temperature of 12 K and \\revision{magnetic moment reaches about 1.5 $\\mu_{B}$/Mn under $\\mu_0H$ = 5 T and $T$ = 2 K}. Surprisingly, a colossal negative magnetoresistance, defined as $[\\rho(H)-\\rho(0)]/\\rho(0)$, up to $-$38\\% under a low field of $\\mu_0H$ = "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1409.2743","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-09-09T16:13:47Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.supr-con"],"title_canon_sha256":"28eded2f6af1e2de12226782a22a2550c499717a8eed7d30d6464435a670d5fe","abstract_canon_sha256":"04f4407d3aac43dfec7f12cb8ee405318a922a765ef19a3ba1553d7321b3df79"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:07.438544Z","signature_b64":"57O/wao9XWf+LPcJIoyd3FZuKZhKOPUkCspOvGgK3f1Fwr6dF3WHi7cCqI5J+HyRMMHBI60NrFjL5bh8bXNhBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"17d1bd16152d3729fe907ad94315adaa41a3ce14719a42cc17056ee5c58ef21a","last_reissued_at":"2026-05-18T02:42:07.438066Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:07.438066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sr$_{0.9}$K$_{0.1}$Zn$_{1.8}$Mn$_{0.2}$As$_{2}$: a ferromagnetic semiconductor with colossal magnetoresistance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Guanghan Cao, Jinke Bao, Qian Chen, Qian Tao, Xiaojun Yang, Yuke Li, Yupeng Li, Zhen Wang, Zhu-an Xu","submitted_at":"2014-09-09T16:13:47Z","abstract_excerpt":"A bulk diluted magnetic semiconductor (Sr,K)(Zn,Mn)$_{2}$As$_{2}$ was synthesized with decoupled charge and spin doping. It has a hexagonal CaAl$_{2}$Si$_{2}$-type structure with the (Zn,Mn)$_{2}$As$_{2}$ layer forming a honeycomb-like network. Magnetization measurements show that the sample undergoes a ferromagnetic transition with a Curie temperature of 12 K and \\revision{magnetic moment reaches about 1.5 $\\mu_{B}$/Mn under $\\mu_0H$ = 5 T and $T$ = 2 K}. Surprisingly, a colossal negative magnetoresistance, defined as $[\\rho(H)-\\rho(0)]/\\rho(0)$, up to $-$38\\% under a low field of $\\mu_0H$ = "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.2743","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1409.2743","created_at":"2026-05-18T02:42:07.438133+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.2743v1","created_at":"2026-05-18T02:42:07.438133+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.2743","created_at":"2026-05-18T02:42:07.438133+00:00"},{"alias_kind":"pith_short_12","alias_value":"C7I32FQVFU3S","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_16","alias_value":"C7I32FQVFU3ST7UQ","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_8","alias_value":"C7I32FQV","created_at":"2026-05-18T12:28:22.404517+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/C7I32FQVFU3ST7UQPLMUGFNNVJ","json":"https://pith.science/pith/C7I32FQVFU3ST7UQPLMUGFNNVJ.json","graph_json":"https://pith.science/api/pith-number/C7I32FQVFU3ST7UQPLMUGFNNVJ/graph.json","events_json":"https://pith.science/api/pith-number/C7I32FQVFU3ST7UQPLMUGFNNVJ/events.json","paper":"https://pith.science/paper/C7I32FQV"},"agent_actions":{"view_html":"https://pith.science/pith/C7I32FQVFU3ST7UQPLMUGFNNVJ","download_json":"https://pith.science/pith/C7I32FQVFU3ST7UQPLMUGFNNVJ.json","view_paper":"https://pith.science/paper/C7I32FQV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.2743&json=true","fetch_graph":"https://pith.science/api/pith-number/C7I32FQVFU3ST7UQPLMUGFNNVJ/graph.json","fetch_events":"https://pith.science/api/pith-number/C7I32FQVFU3ST7UQPLMUGFNNVJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C7I32FQVFU3ST7UQPLMUGFNNVJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C7I32FQVFU3ST7UQPLMUGFNNVJ/action/storage_attestation","attest_author":"https://pith.science/pith/C7I32FQVFU3ST7UQPLMUGFNNVJ/action/author_attestation","sign_citation":"https://pith.science/pith/C7I32FQVFU3ST7UQPLMUGFNNVJ/action/citation_signature","submit_replication":"https://pith.science/pith/C7I32FQVFU3ST7UQPLMUGFNNVJ/action/replication_record"}},"created_at":"2026-05-18T02:42:07.438133+00:00","updated_at":"2026-05-18T02:42:07.438133+00:00"}