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However, the lack of material realizations with cleanly gapped surfaces hinders technological utilization of these exotic quantum phenomena. Here, using the Zintl concept and the properties of non-symmorphic space groups, we computationally engineer magnetic topological insulators. Specifically, we explore Eu$_5M_2X_6$ ($M$=metal, $X$=pnictide) Zintl compounds and find that Eu$_5$Ga$_2$Sb$_6$, Eu$_5$Tl$_2$Sb$_6$ and Eu$_5$In$_2$Bi$_6$ form stable structures with no"},"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":"2203.06212","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-03-11T19:09:29Z","cross_cats_sorted":[],"title_canon_sha256":"d00de65b2fb0147d03dc70e8d5d39fce4538ef55dda678aea31c7f596af7b4a4","abstract_canon_sha256":"013b8ff160e487f91a3221b4acccc6e1e00275da793a6b276434dca51fac112b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:34:51.562169Z","signature_b64":"GwGUQN3KvIw7719Mk0Qc2gVM5UWU4nr8y8N9FYUsj/erK+Mhjmp03a9C43435/WNEPd8KlT0Lq2RInJ/m+rKAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"487b0c1f130e9970c76e72f6afb86e0650d6a33dab823be8bda8cbb86aa29d40","last_reissued_at":"2026-07-05T04:34:51.561679Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:34:51.561679Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Engineering magnetic topological insulators in Eu$_5M_2X_6$ Zintls","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"David Vanderbilt, Nicodemos Varnava, Tanya Berry, Tyrel M. 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