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The bulk material is a topological insulator at $x$ = 1.0 with a single Dirac cone surface state at the surface Brillouin zone center, whereas it is a trivial insulator at $x$ = 0. Through a systematic examination of the band topologies we predict that thin films of Ge(Bi$_x$Sb$_{1-x}$)$_2$Te$_4$ with $x$ = 0.6, 0.8 and 1.0 are candidates for two-dimensional (2D) topol"},"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":"1312.0379","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-12-02T09:08:08Z","cross_cats_sorted":[],"title_canon_sha256":"44e275d0458c2a27925fbabc482ee26df794a48f5076d249065f48a2f6c31533","abstract_canon_sha256":"9d65a329278b5b84b9b21600e3eb8c4edee736626e63f0b900524898dc23dfc7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:59:20.382869Z","signature_b64":"J1ZDC/TdFeoYV9McACpFv+nGetD3PnAaa+T1U+/eS7zow3eON2EsuNrDednDVBm7Zlf7r6FV3O2vwfrx66xxDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5c4ec23d740d018d405ae84f5fb5d085675b7a576c719314468df41eb73d9d1","last_reissued_at":"2026-05-18T02:59:20.382033Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:59:20.382033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topological phase transition and two dimensional topological insulators in Ge-based thin films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. 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