Electronic structure of (Ca0.85La0.15)FeAs2
We report a comprehensive study of orbital character and tridimensional nature of the electronic structure of (Ca0.85La0.15)FeAs2 from recently discovered “112” family of Iron-based superconductors (IBS), with angle-resolved photoemission spectroscopy. We observed that the band structure is similar...
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| Veröffentlicht in: | Applied physics letters 2015-02, Vol.106 (5) |
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| container_title | Applied physics letters |
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| creator | Liu, Z.-H. Kim, T. K. Sala, A. Ogino, H. Shimoyama, J. Büchner, B. Borisenko, S. V. |
| description | We report a comprehensive study of orbital character and tridimensional nature of the electronic structure of (Ca0.85La0.15)FeAs2 from recently discovered “112” family of Iron-based superconductors (IBS), with angle-resolved photoemission spectroscopy. We observed that the band structure is similar to that of “122” family, namely, there are three hole-like bands at the Brillouin zone (BZ) center and two electron-like bands at the BZ corner. The bands near the Fermi level (EF) are mainly derived from the Fe t2g orbitals. On the basis of our present and earlier studies, we classify IBS into the three types according to their crystal structures. We show that although the bands near EF mainly originate from Fe 3d electrons, they are significantly modified by the interaction between the superconducting slabs and the intermediate atoms. |
| doi_str_mv | 10.1063/1.4907876 |
| format | Article |
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K. ; Sala, A. ; Ogino, H. ; Shimoyama, J. ; Büchner, B. ; Borisenko, S. V.</creator><creatorcontrib>Liu, Z.-H. ; Kim, T. K. ; Sala, A. ; Ogino, H. ; Shimoyama, J. ; Büchner, B. ; Borisenko, S. V.</creatorcontrib><description>We report a comprehensive study of orbital character and tridimensional nature of the electronic structure of (Ca0.85La0.15)FeAs2 from recently discovered “112” family of Iron-based superconductors (IBS), with angle-resolved photoemission spectroscopy. We observed that the band structure is similar to that of “122” family, namely, there are three hole-like bands at the Brillouin zone (BZ) center and two electron-like bands at the BZ corner. The bands near the Fermi level (EF) are mainly derived from the Fe t2g orbitals. On the basis of our present and earlier studies, we classify IBS into the three types according to their crystal structures. We show that although the bands near EF mainly originate from Fe 3d electrons, they are significantly modified by the interaction between the superconducting slabs and the intermediate atoms.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4907876</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Banded structure ; Brillouin zones ; Crystal structure ; Electronic structure ; Electrons ; Iron ; Photoelectric emission</subject><ispartof>Applied physics letters, 2015-02, Vol.106 (5)</ispartof><rights>2015 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c323t-cc15ba01bdd23c6fb10940dab1e3bf457f8453c0a957e5eb4bcee8c2f95112e73</citedby><cites>FETCH-LOGICAL-c323t-cc15ba01bdd23c6fb10940dab1e3bf457f8453c0a957e5eb4bcee8c2f95112e73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Liu, Z.-H.</creatorcontrib><creatorcontrib>Kim, T. 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On the basis of our present and earlier studies, we classify IBS into the three types according to their crystal structures. We show that although the bands near EF mainly originate from Fe 3d electrons, they are significantly modified by the interaction between the superconducting slabs and the intermediate atoms.</description><subject>Applied physics</subject><subject>Banded structure</subject><subject>Brillouin zones</subject><subject>Crystal structure</subject><subject>Electronic structure</subject><subject>Electrons</subject><subject>Iron</subject><subject>Photoelectric emission</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNotkEFLxDAQhYMoWFcP_oOCF5eldSbTNOlxKbsqFLzoOSRpArus2zVpD_57K7uXNzx4zMz7GHtEKBFqesGyakAqWV-xDEHKghDVNcsAgIq6EXjL7lLaz1ZwooytNgfvxjgcdy5PY5zcOEWfDyF_bg2USnSzolhu_Trxe3YTzCH5h8tcsK_t5rN9K7qP1_d23RWOOI2FcyisAbR9z8nVwSI0FfTGoicbKiGDqgQ5MI2QXnhbWee9cjzM3yH3khbs6bz3FIefyadR74cpHueTmiOf-ymQNKeW55SLQ0rRB32Ku28TfzWC_mehUV9Y0B-G-01E</recordid><startdate>20150202</startdate><enddate>20150202</enddate><creator>Liu, Z.-H.</creator><creator>Kim, T. 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V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electronic structure of (Ca0.85La0.15)FeAs2</atitle><jtitle>Applied physics letters</jtitle><date>2015-02-02</date><risdate>2015</risdate><volume>106</volume><issue>5</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>We report a comprehensive study of orbital character and tridimensional nature of the electronic structure of (Ca0.85La0.15)FeAs2 from recently discovered “112” family of Iron-based superconductors (IBS), with angle-resolved photoemission spectroscopy. We observed that the band structure is similar to that of “122” family, namely, there are three hole-like bands at the Brillouin zone (BZ) center and two electron-like bands at the BZ corner. The bands near the Fermi level (EF) are mainly derived from the Fe t2g orbitals. On the basis of our present and earlier studies, we classify IBS into the three types according to their crystal structures. We show that although the bands near EF mainly originate from Fe 3d electrons, they are significantly modified by the interaction between the superconducting slabs and the intermediate atoms.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4907876</doi></addata></record> |
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| ispartof | Applied physics letters, 2015-02, Vol.106 (5) |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Banded structure Brillouin zones Crystal structure Electronic structure Electrons Iron Photoelectric emission |
| title | Electronic structure of (Ca0.85La0.15)FeAs2 |
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