Journal
SOLID STATE COMMUNICATIONS
Volume 212, Issue -, Pages 35-40Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2015.04.005
Keywords
Molybdenum dichalcogenide; Semiconductors; Magnetism
Categories
Funding
- National Natural Science Foundation of China [51171126]
- Key Project of TSTC of Tianjin [12JCZDJCZ27100, 14JCZDJC37800]
- NECT in University [NCET-13-0409]
- Scientific Research Foundation for Returned Overseas Chinese Scholars, State Education Ministry
- High Performance Computing Center of Tianjin University
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Magnetism of Gd-doped monolayer MoS2 is predicted by first-principles calculations. Gd-doped monolayer MoS2 is p-type semiconducting and is energetically favorable to form under S-rich condition. As two Gcl are incorporated into 4 x 4 monolayer MoS2, Gcl-Gd magnetic coupling cannot be only attributed to Gcl-Gd distance, which is also related to strong directional nature of electronic structure or chemical bonding in MoS2. The most stable magnetic configuration is paramagnetic at the second nearest sites. For two Gd spins at the first and third nearest sites, the magnetic moment from matrix is large. Meanwhile, hole is the main factor for ferromagnetic interaction in Mo(14)Gcl(2)S(32). (C) 2015 Elsevier Ltd. All rights reserved
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