Novel Mn-doped chalcopyrites
Heavily Mn-doped II–VI–V 2 semiconductors, such as CdGeP 2 and ZnGeP 2 have been prepared by depositing Mn on single crystalline substrate at nearly 400 °C in an ultra high vacuum chamber. Well-defined ferromagnetic hysteresis with a saturation behavior appears in the magnetization curve up to above...
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| Veröffentlicht in: | The Journal of physics and chemistry of solids 2003-09, Vol.64 (9), p.1461-1468 |
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| container_title | The Journal of physics and chemistry of solids |
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| creator | Sato, K. Medvedkin, G.A. Ishibashi, T. Mitani, S. Takanashi, K. Ishida, Y. Sarma, D.D. Okabayashi, J. Fujimori, A. Kamatani, T. Akai, H. |
| description | Heavily Mn-doped II–VI–V
2 semiconductors, such as CdGeP
2 and ZnGeP
2 have been prepared by depositing Mn on single crystalline substrate at nearly 400 °C in an ultra high vacuum chamber. Well-defined ferromagnetic hysteresis with a saturation behavior appears in the magnetization curve up to above room temperature. The chemical states of the ZnGeP
2:Mn interface has been clarified by a careful in situ photoemission spectroscopy. The as-prepared surface consists of Ge-rich, metallic Mn compound. In and below the sub-surface region, dilute divalent Mn species as precursors of the DMS phase exist. No MnP phase was observed at any stage of the depth profile. Theoretical band-calculation suggests that the system with vacancies (Cd, V
c, Mn)GeP
2 or a non-stoichiometric (Cd, Ge, Mn)GeP
2 are ferromagnetic and energetically stable although ferromagnetism is not stable in a stoichiometric compound (Cd, Mn)GeP
2. |
| doi_str_mv | 10.1016/S0022-3697(03)00101-X |
| format | Article |
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2 semiconductors, such as CdGeP
2 and ZnGeP
2 have been prepared by depositing Mn on single crystalline substrate at nearly 400 °C in an ultra high vacuum chamber. Well-defined ferromagnetic hysteresis with a saturation behavior appears in the magnetization curve up to above room temperature. The chemical states of the ZnGeP
2:Mn interface has been clarified by a careful in situ photoemission spectroscopy. The as-prepared surface consists of Ge-rich, metallic Mn compound. In and below the sub-surface region, dilute divalent Mn species as precursors of the DMS phase exist. No MnP phase was observed at any stage of the depth profile. Theoretical band-calculation suggests that the system with vacancies (Cd, V
c, Mn)GeP
2 or a non-stoichiometric (Cd, Ge, Mn)GeP
2 are ferromagnetic and energetically stable although ferromagnetism is not stable in a stoichiometric compound (Cd, Mn)GeP
2.</description><identifier>ISSN: 0022-3697</identifier><identifier>EISSN: 1879-2553</identifier><identifier>DOI: 10.1016/S0022-3697(03)00101-X</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>C. Ab initio calculation ; C. Photoelectron spectroscopy ; Clean metal, semiconductor, and insulator surfaces ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Domain effects, magnetization curves, and hysteresis ; Electron and ion emission by liquids and solids; impact phenomena ; Exact sciences and technology ; Magnetic properties and materials ; Magnetization curves, hysteresis, Barkhausen and related effects ; Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects ; Other ferromagnetic metals and alloys ; Photoemission and photoelectron spectra ; Physics ; Studies of specific magnetic materials</subject><ispartof>The Journal of physics and chemistry of solids, 2003-09, Vol.64 (9), p.1461-1468</ispartof><rights>2003 Elsevier Science Ltd</rights><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c368t-db05c9e5881c39abcff6f76958ad9fac5d0938c0c587e75687eedc46fdbc8cf43</citedby><cites>FETCH-LOGICAL-c368t-db05c9e5881c39abcff6f76958ad9fac5d0938c0c587e75687eedc46fdbc8cf43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0022-3697(03)00101-X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,3550,23930,23931,25140,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15120487$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Sato, K.</creatorcontrib><creatorcontrib>Medvedkin, G.A.</creatorcontrib><creatorcontrib>Ishibashi, T.</creatorcontrib><creatorcontrib>Mitani, S.</creatorcontrib><creatorcontrib>Takanashi, K.</creatorcontrib><creatorcontrib>Ishida, Y.</creatorcontrib><creatorcontrib>Sarma, D.D.</creatorcontrib><creatorcontrib>Okabayashi, J.</creatorcontrib><creatorcontrib>Fujimori, A.</creatorcontrib><creatorcontrib>Kamatani, T.</creatorcontrib><creatorcontrib>Akai, H.</creatorcontrib><title>Novel Mn-doped chalcopyrites</title><title>The Journal of physics and chemistry of solids</title><description>Heavily Mn-doped II–VI–V
2 semiconductors, such as CdGeP
2 and ZnGeP
2 have been prepared by depositing Mn on single crystalline substrate at nearly 400 °C in an ultra high vacuum chamber. Well-defined ferromagnetic hysteresis with a saturation behavior appears in the magnetization curve up to above room temperature. The chemical states of the ZnGeP
2:Mn interface has been clarified by a careful in situ photoemission spectroscopy. The as-prepared surface consists of Ge-rich, metallic Mn compound. In and below the sub-surface region, dilute divalent Mn species as precursors of the DMS phase exist. No MnP phase was observed at any stage of the depth profile. Theoretical band-calculation suggests that the system with vacancies (Cd, V
c, Mn)GeP
2 or a non-stoichiometric (Cd, Ge, Mn)GeP
2 are ferromagnetic and energetically stable although ferromagnetism is not stable in a stoichiometric compound (Cd, Mn)GeP
2.</description><subject>C. Ab initio calculation</subject><subject>C. Photoelectron spectroscopy</subject><subject>Clean metal, semiconductor, and insulator surfaces</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Domain effects, magnetization curves, and hysteresis</subject><subject>Electron and ion emission by liquids and solids; impact phenomena</subject><subject>Exact sciences and technology</subject><subject>Magnetic properties and materials</subject><subject>Magnetization curves, hysteresis, Barkhausen and related effects</subject><subject>Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects</subject><subject>Other ferromagnetic metals and alloys</subject><subject>Photoemission and photoelectron spectra</subject><subject>Physics</subject><subject>Studies of specific magnetic materials</subject><issn>0022-3697</issn><issn>1879-2553</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFkE9LAzEQxYMoWKvfQKEXRQ-rk02zm5xEiv-g6kGF3kI6mWBk212TbaHf3m0revQyA8PvzeM9xk44XHLgxdUrQJ5notDlOYgLgO6YTXZYj6tSZ7mUYpf1fpF9dpDSJwBIrnmPHT_XS6oGT_PM1Q25AX7YCutmFUNL6ZDteVslOvrZffZ-d_s2esjGL_ePo5txhqJQbeamIFGTVIqj0HaK3he-LLRU1mlvUTrQQiGgVCWVsugmORwW3k1RoR-KPjvb_m1i_bWg1JpZSEhVZedUL5LJS51rXfAOlFsQY51SJG-aGGY2rgwHs-7CbLow66AGhNl0YSad7vTHwCa0lY92jiH9iSXPYajKjrvectSlXQaKJmGgOZILkbA1rg7_OH0DjT9ypQ</recordid><startdate>20030901</startdate><enddate>20030901</enddate><creator>Sato, K.</creator><creator>Medvedkin, G.A.</creator><creator>Ishibashi, T.</creator><creator>Mitani, S.</creator><creator>Takanashi, K.</creator><creator>Ishida, Y.</creator><creator>Sarma, D.D.</creator><creator>Okabayashi, J.</creator><creator>Fujimori, A.</creator><creator>Kamatani, T.</creator><creator>Akai, H.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20030901</creationdate><title>Novel Mn-doped chalcopyrites</title><author>Sato, K. ; Medvedkin, G.A. ; Ishibashi, T. ; Mitani, S. ; Takanashi, K. ; Ishida, Y. ; Sarma, D.D. ; Okabayashi, J. ; Fujimori, A. ; Kamatani, T. ; Akai, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-db05c9e5881c39abcff6f76958ad9fac5d0938c0c587e75687eedc46fdbc8cf43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>C. Ab initio calculation</topic><topic>C. Photoelectron spectroscopy</topic><topic>Clean metal, semiconductor, and insulator surfaces</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Domain effects, magnetization curves, and hysteresis</topic><topic>Electron and ion emission by liquids and solids; impact phenomena</topic><topic>Exact sciences and technology</topic><topic>Magnetic properties and materials</topic><topic>Magnetization curves, hysteresis, Barkhausen and related effects</topic><topic>Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects</topic><topic>Other ferromagnetic metals and alloys</topic><topic>Photoemission and photoelectron spectra</topic><topic>Physics</topic><topic>Studies of specific magnetic materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sato, K.</creatorcontrib><creatorcontrib>Medvedkin, G.A.</creatorcontrib><creatorcontrib>Ishibashi, T.</creatorcontrib><creatorcontrib>Mitani, S.</creatorcontrib><creatorcontrib>Takanashi, K.</creatorcontrib><creatorcontrib>Ishida, Y.</creatorcontrib><creatorcontrib>Sarma, D.D.</creatorcontrib><creatorcontrib>Okabayashi, J.</creatorcontrib><creatorcontrib>Fujimori, A.</creatorcontrib><creatorcontrib>Kamatani, T.</creatorcontrib><creatorcontrib>Akai, H.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>The Journal of physics and chemistry of solids</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sato, K.</au><au>Medvedkin, G.A.</au><au>Ishibashi, T.</au><au>Mitani, S.</au><au>Takanashi, K.</au><au>Ishida, Y.</au><au>Sarma, D.D.</au><au>Okabayashi, J.</au><au>Fujimori, A.</au><au>Kamatani, T.</au><au>Akai, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel Mn-doped chalcopyrites</atitle><jtitle>The Journal of physics and chemistry of solids</jtitle><date>2003-09-01</date><risdate>2003</risdate><volume>64</volume><issue>9</issue><spage>1461</spage><epage>1468</epage><pages>1461-1468</pages><issn>0022-3697</issn><eissn>1879-2553</eissn><abstract>Heavily Mn-doped II–VI–V
2 semiconductors, such as CdGeP
2 and ZnGeP
2 have been prepared by depositing Mn on single crystalline substrate at nearly 400 °C in an ultra high vacuum chamber. Well-defined ferromagnetic hysteresis with a saturation behavior appears in the magnetization curve up to above room temperature. The chemical states of the ZnGeP
2:Mn interface has been clarified by a careful in situ photoemission spectroscopy. The as-prepared surface consists of Ge-rich, metallic Mn compound. In and below the sub-surface region, dilute divalent Mn species as precursors of the DMS phase exist. No MnP phase was observed at any stage of the depth profile. Theoretical band-calculation suggests that the system with vacancies (Cd, V
c, Mn)GeP
2 or a non-stoichiometric (Cd, Ge, Mn)GeP
2 are ferromagnetic and energetically stable although ferromagnetism is not stable in a stoichiometric compound (Cd, Mn)GeP
2.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0022-3697(03)00101-X</doi><tpages>8</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | C. Ab initio calculation C. Photoelectron spectroscopy Clean metal, semiconductor, and insulator surfaces Condensed matter: electronic structure, electrical, magnetic, and optical properties Domain effects, magnetization curves, and hysteresis Electron and ion emission by liquids and solids impact phenomena Exact sciences and technology Magnetic properties and materials Magnetization curves, hysteresis, Barkhausen and related effects Magnetization curves, magnetization reversal, hysteresis, barkhausen and related effects Other ferromagnetic metals and alloys Photoemission and photoelectron spectra Physics Studies of specific magnetic materials |
| title | Novel Mn-doped chalcopyrites |
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