2D layered transport properties from topological insulator Bi2Se3 single crystals and micro flakes
Low-field magnetotransport measurements of topological insulators such as Bi 2 Se 3 are important for revealing the nature of topological surface states by quantum corrections to the conductivity, such as weak-antilocalization. Recently, a rich variety of high-field magnetotransport properties in th...
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| Veröffentlicht in: | Scientific reports 2016-06, Vol.6 (1), p.27483-27483, Article 27483 |
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| creator | Chiatti, Olivio Riha, Christian Lawrenz, Dominic Busch, Marco Dusari, Srujana Sánchez-Barriga, Jaime Mogilatenko, Anna Yashina, Lada V. Valencia, Sergio Ünal, Akin A. Rader, Oliver Fischer, Saskia F. |
| description | Low-field magnetotransport measurements of topological insulators such as Bi
2
Se
3
are important for revealing the nature of topological surface states by quantum corrections to the conductivity, such as weak-antilocalization. Recently, a rich variety of high-field magnetotransport properties in the regime of high electron densities (∼10
19
cm
−3
) were reported, which can be related to additional two-dimensional layered conductivity, hampering the identification of the topological surface states. Here, we report that quantum corrections to the electronic conduction are dominated by the surface states for a semiconducting case, which can be analyzed by the Hikami-Larkin-Nagaoka model for two coupled surfaces in the case of strong spin-orbit interaction. However, in the metallic-like case this analysis fails and additional two-dimensional contributions need to be accounted for. Shubnikov-de Haas oscillations and quantized Hall resistance prove as strong indications for the two-dimensional layered metallic behavior. Temperature-dependent magnetotransport properties of high-quality Bi
2
Se
3
single crystalline exfoliated macro and micro flakes are combined with high resolution transmission electron microscopy and energy-dispersive x-ray spectroscopy, confirming the structure and stoichiometry. Angle-resolved photoemission spectroscopy proves a single-Dirac-cone surface state and a well-defined bulk band gap in topological insulating state. Spatially resolved core-level photoelectron microscopy demonstrates the surface stability. |
| doi_str_mv | 10.1038/srep27483 |
| format | Article |
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2
Se
3
are important for revealing the nature of topological surface states by quantum corrections to the conductivity, such as weak-antilocalization. Recently, a rich variety of high-field magnetotransport properties in the regime of high electron densities (∼10
19
cm
−3
) were reported, which can be related to additional two-dimensional layered conductivity, hampering the identification of the topological surface states. Here, we report that quantum corrections to the electronic conduction are dominated by the surface states for a semiconducting case, which can be analyzed by the Hikami-Larkin-Nagaoka model for two coupled surfaces in the case of strong spin-orbit interaction. However, in the metallic-like case this analysis fails and additional two-dimensional contributions need to be accounted for. Shubnikov-de Haas oscillations and quantized Hall resistance prove as strong indications for the two-dimensional layered metallic behavior. Temperature-dependent magnetotransport properties of high-quality Bi
2
Se
3
single crystalline exfoliated macro and micro flakes are combined with high resolution transmission electron microscopy and energy-dispersive x-ray spectroscopy, confirming the structure and stoichiometry. Angle-resolved photoemission spectroscopy proves a single-Dirac-cone surface state and a well-defined bulk band gap in topological insulating state. Spatially resolved core-level photoelectron microscopy demonstrates the surface stability.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/srep27483</identifier><identifier>PMID: 27270569</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>142/126 ; 639/301/119/2792 ; 639/766/119/995 ; Conductivity ; Crystals ; Electrons ; Energy ; Humanities and Social Sciences ; multidisciplinary ; Point defects ; Science ; Single crystals ; X-ray spectroscopy</subject><ispartof>Scientific reports, 2016-06, Vol.6 (1), p.27483-27483, Article 27483</ispartof><rights>The Author(s) 2016</rights><rights>Copyright Nature Publishing Group Jun 2016</rights><rights>Copyright © 2016, Macmillan Publishers Limited 2016 Macmillan Publishers Limited</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c434t-3ebb567b7f3825ada5fbccc9df911d8e10f8dd557f64337936597e067c6107d73</citedby><cites>FETCH-LOGICAL-c434t-3ebb567b7f3825ada5fbccc9df911d8e10f8dd557f64337936597e067c6107d73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4895388/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4895388/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,27901,27902,41096,42165,51551,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27270569$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chiatti, Olivio</creatorcontrib><creatorcontrib>Riha, Christian</creatorcontrib><creatorcontrib>Lawrenz, Dominic</creatorcontrib><creatorcontrib>Busch, Marco</creatorcontrib><creatorcontrib>Dusari, Srujana</creatorcontrib><creatorcontrib>Sánchez-Barriga, Jaime</creatorcontrib><creatorcontrib>Mogilatenko, Anna</creatorcontrib><creatorcontrib>Yashina, Lada V.</creatorcontrib><creatorcontrib>Valencia, Sergio</creatorcontrib><creatorcontrib>Ünal, Akin A.</creatorcontrib><creatorcontrib>Rader, Oliver</creatorcontrib><creatorcontrib>Fischer, Saskia F.</creatorcontrib><title>2D layered transport properties from topological insulator Bi2Se3 single crystals and micro flakes</title><title>Scientific reports</title><addtitle>Sci Rep</addtitle><addtitle>Sci Rep</addtitle><description>Low-field magnetotransport measurements of topological insulators such as Bi
2
Se
3
are important for revealing the nature of topological surface states by quantum corrections to the conductivity, such as weak-antilocalization. Recently, a rich variety of high-field magnetotransport properties in the regime of high electron densities (∼10
19
cm
−3
) were reported, which can be related to additional two-dimensional layered conductivity, hampering the identification of the topological surface states. Here, we report that quantum corrections to the electronic conduction are dominated by the surface states for a semiconducting case, which can be analyzed by the Hikami-Larkin-Nagaoka model for two coupled surfaces in the case of strong spin-orbit interaction. However, in the metallic-like case this analysis fails and additional two-dimensional contributions need to be accounted for. Shubnikov-de Haas oscillations and quantized Hall resistance prove as strong indications for the two-dimensional layered metallic behavior. Temperature-dependent magnetotransport properties of high-quality Bi
2
Se
3
single crystalline exfoliated macro and micro flakes are combined with high resolution transmission electron microscopy and energy-dispersive x-ray spectroscopy, confirming the structure and stoichiometry. Angle-resolved photoemission spectroscopy proves a single-Dirac-cone surface state and a well-defined bulk band gap in topological insulating state. Spatially resolved core-level photoelectron microscopy demonstrates the surface stability.</description><subject>142/126</subject><subject>639/301/119/2792</subject><subject>639/766/119/995</subject><subject>Conductivity</subject><subject>Crystals</subject><subject>Electrons</subject><subject>Energy</subject><subject>Humanities and Social Sciences</subject><subject>multidisciplinary</subject><subject>Point defects</subject><subject>Science</subject><subject>Single crystals</subject><subject>X-ray spectroscopy</subject><issn>2045-2322</issn><issn>2045-2322</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>BENPR</sourceid><recordid>eNplkU1rFTEUhoMottQu_AMScKOFq_mYTJKNUFu_oOBCXYdMcnJNzUzGZEa4_96UWy9XPZscch7evCcvQk8peUUJV69rgZnJTvEH6JSRTmwYZ-zhUX-Czmu9Ja0E0x3Vj9EJk0wS0etTNLBrnOwOCni8FDvVOZcFzyXPUJYIFYeSR7zkOae8jc4mHKe6Jrvkgt9G9gU4rnHaJsCu7OpiU8V28niMrmQckv0B9Ql6FNo9nN-fZ-jb-3dfrz5ubj5_-HR1ebNxHe-WDYdhEL0cZOCKCeutCINzTvugKfUKKAnKeyFk6DvOpea90BJIL11PifSSn6E3e915HUbwDqa2UDJziaMtO5NtNH9PpvjdbPMv0yktuFJN4MW9QMk_V6iLGWN1kJKdIK_VUKmFkkIR0tDn_6C3eS1TW--O6jSRrGeNermn2mfUllM4mKHE3IVnDuE19tmx-wP5J6oGXOyB2kbTFsrRk_-p_QYQJKTZ</recordid><startdate>20160607</startdate><enddate>20160607</enddate><creator>Chiatti, Olivio</creator><creator>Riha, Christian</creator><creator>Lawrenz, Dominic</creator><creator>Busch, Marco</creator><creator>Dusari, Srujana</creator><creator>Sánchez-Barriga, Jaime</creator><creator>Mogilatenko, Anna</creator><creator>Yashina, Lada V.</creator><creator>Valencia, Sergio</creator><creator>Ünal, Akin A.</creator><creator>Rader, Oliver</creator><creator>Fischer, Saskia F.</creator><general>Nature Publishing Group UK</general><general>Nature Publishing Group</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20160607</creationdate><title>2D layered transport properties from topological insulator Bi2Se3 single crystals and micro flakes</title><author>Chiatti, Olivio ; Riha, Christian ; Lawrenz, Dominic ; Busch, Marco ; Dusari, Srujana ; Sánchez-Barriga, Jaime ; Mogilatenko, Anna ; Yashina, Lada V. ; Valencia, Sergio ; Ünal, Akin A. ; Rader, Oliver ; Fischer, Saskia F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c434t-3ebb567b7f3825ada5fbccc9df911d8e10f8dd557f64337936597e067c6107d73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>142/126</topic><topic>639/301/119/2792</topic><topic>639/766/119/995</topic><topic>Conductivity</topic><topic>Crystals</topic><topic>Electrons</topic><topic>Energy</topic><topic>Humanities and Social Sciences</topic><topic>multidisciplinary</topic><topic>Point defects</topic><topic>Science</topic><topic>Single crystals</topic><topic>X-ray spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chiatti, Olivio</creatorcontrib><creatorcontrib>Riha, Christian</creatorcontrib><creatorcontrib>Lawrenz, Dominic</creatorcontrib><creatorcontrib>Busch, Marco</creatorcontrib><creatorcontrib>Dusari, Srujana</creatorcontrib><creatorcontrib>Sánchez-Barriga, Jaime</creatorcontrib><creatorcontrib>Mogilatenko, Anna</creatorcontrib><creatorcontrib>Yashina, Lada V.</creatorcontrib><creatorcontrib>Valencia, Sergio</creatorcontrib><creatorcontrib>Ünal, Akin A.</creatorcontrib><creatorcontrib>Rader, Oliver</creatorcontrib><creatorcontrib>Fischer, Saskia F.</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Scientific reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chiatti, Olivio</au><au>Riha, Christian</au><au>Lawrenz, Dominic</au><au>Busch, Marco</au><au>Dusari, Srujana</au><au>Sánchez-Barriga, Jaime</au><au>Mogilatenko, Anna</au><au>Yashina, Lada V.</au><au>Valencia, Sergio</au><au>Ünal, Akin A.</au><au>Rader, Oliver</au><au>Fischer, Saskia F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>2D layered transport properties from topological insulator Bi2Se3 single crystals and micro flakes</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2016-06-07</date><risdate>2016</risdate><volume>6</volume><issue>1</issue><spage>27483</spage><epage>27483</epage><pages>27483-27483</pages><artnum>27483</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>Low-field magnetotransport measurements of topological insulators such as Bi
2
Se
3
are important for revealing the nature of topological surface states by quantum corrections to the conductivity, such as weak-antilocalization. Recently, a rich variety of high-field magnetotransport properties in the regime of high electron densities (∼10
19
cm
−3
) were reported, which can be related to additional two-dimensional layered conductivity, hampering the identification of the topological surface states. Here, we report that quantum corrections to the electronic conduction are dominated by the surface states for a semiconducting case, which can be analyzed by the Hikami-Larkin-Nagaoka model for two coupled surfaces in the case of strong spin-orbit interaction. However, in the metallic-like case this analysis fails and additional two-dimensional contributions need to be accounted for. Shubnikov-de Haas oscillations and quantized Hall resistance prove as strong indications for the two-dimensional layered metallic behavior. Temperature-dependent magnetotransport properties of high-quality Bi
2
Se
3
single crystalline exfoliated macro and micro flakes are combined with high resolution transmission electron microscopy and energy-dispersive x-ray spectroscopy, confirming the structure and stoichiometry. Angle-resolved photoemission spectroscopy proves a single-Dirac-cone surface state and a well-defined bulk band gap in topological insulating state. Spatially resolved core-level photoelectron microscopy demonstrates the surface stability.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>27270569</pmid><doi>10.1038/srep27483</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 142/126 639/301/119/2792 639/766/119/995 Conductivity Crystals Electrons Energy Humanities and Social Sciences multidisciplinary Point defects Science Single crystals X-ray spectroscopy |
| title | 2D layered transport properties from topological insulator Bi2Se3 single crystals and micro flakes |
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