Experimental and theoretical investigation of Nd doped ZnO
•Experimental and theoretical investigation of Nd doped ZnO.•Oxygen vacancies play a critical role in the activation of ferromagnetism in Nd doped ZnO.•Nd positions play a critical role in the activation of ferromagnetism in Nd doped ZnO. Nd-doped ZnO (ZnO:Nd), have been synthesized by coprecipitati...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2017-12, Vol.444, p.416-420 |
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| container_end_page | 420 |
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| container_start_page | 416 |
| container_title | Journal of magnetism and magnetic materials |
| container_volume | 444 |
| creator | El Hachimi, A.G. Zaari, H. Hamedoun, M. Benyoussef, A. El Kenz, A. Mounkachi, O. |
| description | •Experimental and theoretical investigation of Nd doped ZnO.•Oxygen vacancies play a critical role in the activation of ferromagnetism in Nd doped ZnO.•Nd positions play a critical role in the activation of ferromagnetism in Nd doped ZnO.
Nd-doped ZnO (ZnO:Nd), have been synthesized by coprecipitation method, x-ray diffraction (XRD), and Magnetic Properties Measurement System (MPMS) techniques were used to characterize crystal structure and magnetic properties. Wurtzite structure of single phase is obtained according to XRD results. Magnetic measurement indicates that the sample is paramagnetic at room temperature. However, a large increase in the magnetization is observed below 50K. By density functional calculations, we have investigated the electronic structures and magnetic properties of Nd doped ZnO with and without oxygen vacancies (VO) and for different Nd positions. The results suggest that the VO and disorder effect of Nd positions play a critical role in the activation of ferromagnetism in Nd doped ZnO. |
| doi_str_mv | 10.1016/j.jmmm.2017.08.058 |
| format | Article |
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Nd-doped ZnO (ZnO:Nd), have been synthesized by coprecipitation method, x-ray diffraction (XRD), and Magnetic Properties Measurement System (MPMS) techniques were used to characterize crystal structure and magnetic properties. Wurtzite structure of single phase is obtained according to XRD results. Magnetic measurement indicates that the sample is paramagnetic at room temperature. However, a large increase in the magnetization is observed below 50K. By density functional calculations, we have investigated the electronic structures and magnetic properties of Nd doped ZnO with and without oxygen vacancies (VO) and for different Nd positions. The results suggest that the VO and disorder effect of Nd positions play a critical role in the activation of ferromagnetism in Nd doped ZnO.</description><identifier>ISSN: 0304-8853</identifier><identifier>EISSN: 1873-4766</identifier><identifier>DOI: 10.1016/j.jmmm.2017.08.058</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Crystal structure ; Defect ; Density functional calculations ; Diluted magnetic semiconductors ; Ferromagnetism ; Lattice vacancies ; Magnetic measurement ; Magnetic properties ; Magnetism ; Nd doped ZnO ; Neodymium ; Temperature ; Wurtzite ; X-ray diffraction ; Zinc oxide</subject><ispartof>Journal of magnetism and magnetic materials, 2017-12, Vol.444, p.416-420</ispartof><rights>2017 Elsevier B.V.</rights><rights>Copyright Elsevier BV Dec 15, 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-378c20978713933ffe5d6a223112d9541d5a87cb8c7b1f19475a3deb5b4a1dc83</citedby><cites>FETCH-LOGICAL-c328t-378c20978713933ffe5d6a223112d9541d5a87cb8c7b1f19475a3deb5b4a1dc83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304885316332711$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids></links><search><creatorcontrib>El Hachimi, A.G.</creatorcontrib><creatorcontrib>Zaari, H.</creatorcontrib><creatorcontrib>Hamedoun, M.</creatorcontrib><creatorcontrib>Benyoussef, A.</creatorcontrib><creatorcontrib>El Kenz, A.</creatorcontrib><creatorcontrib>Mounkachi, O.</creatorcontrib><title>Experimental and theoretical investigation of Nd doped ZnO</title><title>Journal of magnetism and magnetic materials</title><description>•Experimental and theoretical investigation of Nd doped ZnO.•Oxygen vacancies play a critical role in the activation of ferromagnetism in Nd doped ZnO.•Nd positions play a critical role in the activation of ferromagnetism in Nd doped ZnO.
Nd-doped ZnO (ZnO:Nd), have been synthesized by coprecipitation method, x-ray diffraction (XRD), and Magnetic Properties Measurement System (MPMS) techniques were used to characterize crystal structure and magnetic properties. Wurtzite structure of single phase is obtained according to XRD results. Magnetic measurement indicates that the sample is paramagnetic at room temperature. However, a large increase in the magnetization is observed below 50K. By density functional calculations, we have investigated the electronic structures and magnetic properties of Nd doped ZnO with and without oxygen vacancies (VO) and for different Nd positions. The results suggest that the VO and disorder effect of Nd positions play a critical role in the activation of ferromagnetism in Nd doped ZnO.</description><subject>Crystal structure</subject><subject>Defect</subject><subject>Density functional calculations</subject><subject>Diluted magnetic semiconductors</subject><subject>Ferromagnetism</subject><subject>Lattice vacancies</subject><subject>Magnetic measurement</subject><subject>Magnetic properties</subject><subject>Magnetism</subject><subject>Nd doped ZnO</subject><subject>Neodymium</subject><subject>Temperature</subject><subject>Wurtzite</subject><subject>X-ray diffraction</subject><subject>Zinc oxide</subject><issn>0304-8853</issn><issn>1873-4766</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kEtPwzAQhC0EEuXxBzhF4pzgjZN4g7igqjykil7gwsVy7A04auLipBX8e1yVM6fVSjO7Mx9jV8Az4FDddFnX932Wc5AZx4yXeMRmgFKkhayqYzbjghcpYilO2dk4dpxzKLCasdvF94aC62mY9DrRg02mT_KBJmfi7oYdjZP70JPzQ-Lb5MUm1m_IJu_D6oKdtHo90uXfPGdvD4vX-VO6XD0-z--XqRE5TqmQaHJeS5QgaiHalkpb6TwXALmtywJsqVGaBo1soIW6kKUWlpqyKTRYg-KcXR_uboL_2sY8qvPbMMSXCuoKa8RaiqjKDyoT_DgGatUm1tLhRwFXe0aqU3tGas9IcVSRUTTdHUwU8-8cBTUaR4Mh6wKZSVnv_rP_AvxObtI</recordid><startdate>20171215</startdate><enddate>20171215</enddate><creator>El Hachimi, A.G.</creator><creator>Zaari, H.</creator><creator>Hamedoun, M.</creator><creator>Benyoussef, A.</creator><creator>El Kenz, A.</creator><creator>Mounkachi, O.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20171215</creationdate><title>Experimental and theoretical investigation of Nd doped ZnO</title><author>El Hachimi, A.G. ; Zaari, H. ; Hamedoun, M. ; Benyoussef, A. ; El Kenz, A. ; Mounkachi, O.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-378c20978713933ffe5d6a223112d9541d5a87cb8c7b1f19475a3deb5b4a1dc83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Crystal structure</topic><topic>Defect</topic><topic>Density functional calculations</topic><topic>Diluted magnetic semiconductors</topic><topic>Ferromagnetism</topic><topic>Lattice vacancies</topic><topic>Magnetic measurement</topic><topic>Magnetic properties</topic><topic>Magnetism</topic><topic>Nd doped ZnO</topic><topic>Neodymium</topic><topic>Temperature</topic><topic>Wurtzite</topic><topic>X-ray diffraction</topic><topic>Zinc oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>El Hachimi, A.G.</creatorcontrib><creatorcontrib>Zaari, H.</creatorcontrib><creatorcontrib>Hamedoun, M.</creatorcontrib><creatorcontrib>Benyoussef, A.</creatorcontrib><creatorcontrib>El Kenz, A.</creatorcontrib><creatorcontrib>Mounkachi, O.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>El Hachimi, A.G.</au><au>Zaari, H.</au><au>Hamedoun, M.</au><au>Benyoussef, A.</au><au>El Kenz, A.</au><au>Mounkachi, O.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental and theoretical investigation of Nd doped ZnO</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2017-12-15</date><risdate>2017</risdate><volume>444</volume><spage>416</spage><epage>420</epage><pages>416-420</pages><issn>0304-8853</issn><eissn>1873-4766</eissn><abstract>•Experimental and theoretical investigation of Nd doped ZnO.•Oxygen vacancies play a critical role in the activation of ferromagnetism in Nd doped ZnO.•Nd positions play a critical role in the activation of ferromagnetism in Nd doped ZnO.
Nd-doped ZnO (ZnO:Nd), have been synthesized by coprecipitation method, x-ray diffraction (XRD), and Magnetic Properties Measurement System (MPMS) techniques were used to characterize crystal structure and magnetic properties. Wurtzite structure of single phase is obtained according to XRD results. Magnetic measurement indicates that the sample is paramagnetic at room temperature. However, a large increase in the magnetization is observed below 50K. By density functional calculations, we have investigated the electronic structures and magnetic properties of Nd doped ZnO with and without oxygen vacancies (VO) and for different Nd positions. The results suggest that the VO and disorder effect of Nd positions play a critical role in the activation of ferromagnetism in Nd doped ZnO.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2017.08.058</doi><tpages>5</tpages></addata></record> |
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| subjects | Crystal structure Defect Density functional calculations Diluted magnetic semiconductors Ferromagnetism Lattice vacancies Magnetic measurement Magnetic properties Magnetism Nd doped ZnO Neodymium Temperature Wurtzite X-ray diffraction Zinc oxide |
| title | Experimental and theoretical investigation of Nd doped ZnO |
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