{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T14:03:05Z","timestamp":1784988185582,"version":"3.55.0"},"reference-count":53,"publisher":"IOP Publishing","issue":"2","license":[{"start":{"date-parts":[[2017,2,17]],"date-time":"2017-02-17T00:00:00Z","timestamp":1487289600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/iop-standard\/v1"},{"start":{"date-parts":[[2017,2,17]],"date-time":"2017-02-17T00:00:00Z","timestamp":1487289600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["2D Mater."],"published-print":{"date-parts":[[2017,6,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    The emergence of lateral heterostructures fabricated by two-dimensional building blocks brings many exciting realms in material science and device physics. Enriching available nanomaterials for creating such heterostructures and enabling the underlying new physics is highly coveted for the integration of next-generation devices. Here, we report a breakthrough in lateral heterostructure based on the monolayer square transition-metal dichalcogenides MX\n                    <jats:sub>2<\/jats:sub>\n                    (M\u2009\u2009=\u2009\u2009W, X\u2009\u2009=\u2009\u2009S\/Se) modules. Our results reveal that the MX\n                    <jats:sub>2<\/jats:sub>\n                    lateral heterostructure (1S-MX\n                    <jats:sub>2<\/jats:sub>\n                    LHS) can possess excellent thermal and dynamical stability. Remarkably, the highly desired two-dimensional topological crystalline insulator phase is confirmed by the calculated mirror Chern number\n                    <jats:inline-formula>\n                      <jats:tex-math>\n                        \n                      <\/jats:tex-math>\n                      <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" overflow=\"scroll\">\n                        <mml:mstyle displaystyle=\"false\">\n                          <mml:mrow>\n                            <mml:mstyle displaystyle=\"false\">\n                              <mml:msub>\n                                <mml:mrow>\n                                  <mml:mi>n<\/mml:mi>\n                                <\/mml:mrow>\n                                <mml:mtext mathvariant=\"normal\">M<\/mml:mtext>\n                              <\/mml:msub>\n                            <\/mml:mstyle>\n                            <mml:mo>=<\/mml:mo>\n                            <mml:mo>\u2212<\/mml:mo>\n                            <mml:mn>1<\/mml:mn>\n                          <\/mml:mrow>\n                        <\/mml:mstyle>\n                      <\/mml:math>\n                    <\/jats:inline-formula>\n                    . A nontrivial band gap of 65 meV is obtained with SOC, indicating the potential for room-temperature observation and applications. The topologically protected edge states emerge at the edges of two different nanoribbons between the bulk band gap, which is consistent with the mirror Chern number. In addition, a strain-induced topological phase transition in 1S-MX\n                    <jats:sub>2<\/jats:sub>\n                    LHS is also revealed, endowing the potential utilities in electronics and spintronics. Our predictions not only introduce new member and vitality into the studies of lateral heterostructures, but also highlight the promise of lateral heterostructure as appealing topological crystalline insulator platforms with excellent stability for future devices.\n                  <\/jats:p>","DOI":"10.1088\/2053-1583\/aa5b17","type":"journal-article","created":{"date-parts":[[2017,2,17]],"date-time":"2017-02-17T08:17:43Z","timestamp":1487319463000},"page":"025038","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":12,"title":["Lateral topological crystalline insulator heterostructure"],"prefix":"10.1088","volume":"4","author":[{"given":"Qilong","family":"Sun","sequence":"first","affiliation":[{"name":"Shandong University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ying","family":"Dai","sequence":"additional","affiliation":[{"name":"Shandong University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chengwang","family":"Niu","sequence":"additional","affiliation":[{"name":"Shandong University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yandong","family":"Ma","sequence":"additional","affiliation":[{"name":"Shandong University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Wei","sequence":"additional","affiliation":[{"name":"Shandong University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lin","family":"Yu","sequence":"additional","affiliation":[{"name":"Shandong University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Baibiao","family":"Huang","sequence":"additional","affiliation":[{"name":"Shandong University"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2017,2,17]]},"reference":[{"key":"tdmaa5b17bib001","doi-asserted-by":"publisher","first-page":"1096","DOI":"10.1038\/nmat4064","type":"journal-article","article-title":"Lateral heterojunctions within monolayer MoSe2\u2013WSe2 semiconductors","volume":"13","author":"Huang","year":"2014","journal-title":"Nat. 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All rights, including for text and data mining, AI training, and similar technologies, are reserved.","name":"copyright_information","label":"Copyright Information"},{"value":"2016-11-18","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2017-01-20","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2017-02-17","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}