Room-temperature ferromagnetism in Co doped MoS2 sheets
Via the hydrothermal method, we synthesized MoS 2 nanosheets with varying Co dopant concentrations of 0%, 3%, 7%, using cobaltous acetate as a promoter, and marked as A, B, and C, respectively. We found that the thickness and flatness of the nanosheets increased with the increase of the Co dopant co...
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| Veröffentlicht in: | Physical chemistry chemical physics : PCCP 2015-06, Vol.17 (24), p.15822-15828 |
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| container_title | Physical chemistry chemical physics : PCCP |
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| creator | Xiang, ZhongCheng Zhang, Zhong Xu, XiJin Zhang, Qin Wang, QingBao Yuan, Chengwu |
| description | Via
the hydrothermal method, we synthesized MoS
2
nanosheets with varying Co dopant concentrations of 0%, 3%, 7%, using cobaltous acetate as a promoter, and marked as A, B, and C, respectively. We found that the thickness and flatness of the nanosheets increased with the increase of the Co dopant concentrations. Meanwhile, the BET surface area of samples (A, B, and C) decreased with the increase of the Co dopant concentrations. Optical absorption spectroscopy showed that, compared to sample A, the A
1
and B
1
excitons of samples B and C were 10 and 23 meV redshifted, respectively. Then, we performed magnetization measurement to investigate the effect of Co-doping; the unique result implied that the values of the magnetic moment decreased with the increase of the Co dopant concentrations. We performed DFT computations to address the above magnetic result. The computational result indicated that the value of the magnetic moment decreased with the increase of the Co dopant concentrations, which is in agreement with the results of the experiments described above.
We synthesized MoS
2
nanosheets with varying Co dopant concentrations; the result implied that the values of the magnetic moment decreased with the increase of the Co dopant concentrations. |
| doi_str_mv | 10.1039/c5cp01509j |
| format | Article |
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the hydrothermal method, we synthesized MoS
2
nanosheets with varying Co dopant concentrations of 0%, 3%, 7%, using cobaltous acetate as a promoter, and marked as A, B, and C, respectively. We found that the thickness and flatness of the nanosheets increased with the increase of the Co dopant concentrations. Meanwhile, the BET surface area of samples (A, B, and C) decreased with the increase of the Co dopant concentrations. Optical absorption spectroscopy showed that, compared to sample A, the A
1
and B
1
excitons of samples B and C were 10 and 23 meV redshifted, respectively. Then, we performed magnetization measurement to investigate the effect of Co-doping; the unique result implied that the values of the magnetic moment decreased with the increase of the Co dopant concentrations. We performed DFT computations to address the above magnetic result. The computational result indicated that the value of the magnetic moment decreased with the increase of the Co dopant concentrations, which is in agreement with the results of the experiments described above.
We synthesized MoS
2
nanosheets with varying Co dopant concentrations; the result implied that the values of the magnetic moment decreased with the increase of the Co dopant concentrations.</description><identifier>ISSN: 1463-9076</identifier><identifier>EISSN: 1463-9084</identifier><identifier>DOI: 10.1039/c5cp01509j</identifier><identifier>PMID: 26018945</identifier><language>eng</language><publisher>England</publisher><ispartof>Physical chemistry chemical physics : PCCP, 2015-06, Vol.17 (24), p.15822-15828</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-4442dca3a1c995f3a28c9c4db2da63c2a3808a8811a24f2f91fa24d66c2164e3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26018945$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Xiang, ZhongCheng</creatorcontrib><creatorcontrib>Zhang, Zhong</creatorcontrib><creatorcontrib>Xu, XiJin</creatorcontrib><creatorcontrib>Zhang, Qin</creatorcontrib><creatorcontrib>Wang, QingBao</creatorcontrib><creatorcontrib>Yuan, Chengwu</creatorcontrib><title>Room-temperature ferromagnetism in Co doped MoS2 sheets</title><title>Physical chemistry chemical physics : PCCP</title><addtitle>Phys Chem Chem Phys</addtitle><description>Via
the hydrothermal method, we synthesized MoS
2
nanosheets with varying Co dopant concentrations of 0%, 3%, 7%, using cobaltous acetate as a promoter, and marked as A, B, and C, respectively. We found that the thickness and flatness of the nanosheets increased with the increase of the Co dopant concentrations. Meanwhile, the BET surface area of samples (A, B, and C) decreased with the increase of the Co dopant concentrations. Optical absorption spectroscopy showed that, compared to sample A, the A
1
and B
1
excitons of samples B and C were 10 and 23 meV redshifted, respectively. Then, we performed magnetization measurement to investigate the effect of Co-doping; the unique result implied that the values of the magnetic moment decreased with the increase of the Co dopant concentrations. We performed DFT computations to address the above magnetic result. The computational result indicated that the value of the magnetic moment decreased with the increase of the Co dopant concentrations, which is in agreement with the results of the experiments described above.
We synthesized MoS
2
nanosheets with varying Co dopant concentrations; the result implied that the values of the magnetic moment decreased with the increase of the Co dopant concentrations.</description><issn>1463-9076</issn><issn>1463-9084</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLxDAUhYMozji6ca_UnZtqXk2TpRRfMCLo7EsmudEOTVOTduG_tzDjuHN1D3wfB85F6JzgG4KZujWF6TEpsNocoDnhguUKS364z6WYoZOUNhhPFmHHaEYFJlLxYo7KtxB8PoDvIephjJA5iDF4_dHB0CSfNV1WhcyGHmz2Et5plj4BhnSKjpxuE5zt7gKtHu5X1VO-fH18ru6WuWGsHHLOObVGM02MUoVjmkqjDLdrarVghmomsdRSEqIpd9Qp4qZghTCUCA5sga63tX0MXyOkofZNMtC2uoMwppoIWSolRKkm9XKnjmsPtu5j43X8rn-3TsLFVojJ7Onf7yZ-9R-ve-vYD7IIaag</recordid><startdate>20150628</startdate><enddate>20150628</enddate><creator>Xiang, ZhongCheng</creator><creator>Zhang, Zhong</creator><creator>Xu, XiJin</creator><creator>Zhang, Qin</creator><creator>Wang, QingBao</creator><creator>Yuan, Chengwu</creator><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>20150628</creationdate><title>Room-temperature ferromagnetism in Co doped MoS2 sheets</title><author>Xiang, ZhongCheng ; Zhang, Zhong ; Xu, XiJin ; Zhang, Qin ; Wang, QingBao ; Yuan, Chengwu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-4442dca3a1c995f3a28c9c4db2da63c2a3808a8811a24f2f91fa24d66c2164e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xiang, ZhongCheng</creatorcontrib><creatorcontrib>Zhang, Zhong</creatorcontrib><creatorcontrib>Xu, XiJin</creatorcontrib><creatorcontrib>Zhang, Qin</creatorcontrib><creatorcontrib>Wang, QingBao</creatorcontrib><creatorcontrib>Yuan, Chengwu</creatorcontrib><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Physical chemistry chemical physics : PCCP</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xiang, ZhongCheng</au><au>Zhang, Zhong</au><au>Xu, XiJin</au><au>Zhang, Qin</au><au>Wang, QingBao</au><au>Yuan, Chengwu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Room-temperature ferromagnetism in Co doped MoS2 sheets</atitle><jtitle>Physical chemistry chemical physics : PCCP</jtitle><addtitle>Phys Chem Chem Phys</addtitle><date>2015-06-28</date><risdate>2015</risdate><volume>17</volume><issue>24</issue><spage>15822</spage><epage>15828</epage><pages>15822-15828</pages><issn>1463-9076</issn><eissn>1463-9084</eissn><abstract>Via
the hydrothermal method, we synthesized MoS
2
nanosheets with varying Co dopant concentrations of 0%, 3%, 7%, using cobaltous acetate as a promoter, and marked as A, B, and C, respectively. We found that the thickness and flatness of the nanosheets increased with the increase of the Co dopant concentrations. Meanwhile, the BET surface area of samples (A, B, and C) decreased with the increase of the Co dopant concentrations. Optical absorption spectroscopy showed that, compared to sample A, the A
1
and B
1
excitons of samples B and C were 10 and 23 meV redshifted, respectively. Then, we performed magnetization measurement to investigate the effect of Co-doping; the unique result implied that the values of the magnetic moment decreased with the increase of the Co dopant concentrations. We performed DFT computations to address the above magnetic result. The computational result indicated that the value of the magnetic moment decreased with the increase of the Co dopant concentrations, which is in agreement with the results of the experiments described above.
We synthesized MoS
2
nanosheets with varying Co dopant concentrations; the result implied that the values of the magnetic moment decreased with the increase of the Co dopant concentrations.</abstract><cop>England</cop><pmid>26018945</pmid><doi>10.1039/c5cp01509j</doi><tpages>7</tpages></addata></record> |
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| issn | 1463-9076 1463-9084 |
| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| title | Room-temperature ferromagnetism in Co doped MoS2 sheets |
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