2016
DOI: 10.1016/j.jmmm.2016.06.017
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High-spin configuration of Mn in Bi2Se3 three-dimensional topological insulator

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Cited by 10 publications
(9 citation statements)
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“…A plausible scenario for the experimentally observed weak dependence of T C on Mn concentration could thus be based on a simultaneous increase of both Mn Bi and Mn i . Another explanation may be due to the influence of Mn doping on native defects, which has already been suggested 15,23,80 . Therefore we also performed calculations of the system in the presence of the most probable native impurities.…”
Section: Discussionmentioning
confidence: 91%
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“…A plausible scenario for the experimentally observed weak dependence of T C on Mn concentration could thus be based on a simultaneous increase of both Mn Bi and Mn i . Another explanation may be due to the influence of Mn doping on native defects, which has already been suggested 15,23,80 . Therefore we also performed calculations of the system in the presence of the most probable native impurities.…”
Section: Discussionmentioning
confidence: 91%
“…Samples with p-type conductivity have also been found, namely in Ca-counterdoped samples 38 and in some of the Mn-doped samples 24,25,39 . There is a general agreement that the most probable defect responsible for increasing the Fermi level are V Se , Se vacancies 15,38,40 . This is supported by ab initio calculations of defect formation energies 41,42 .…”
Section: Introductionmentioning
confidence: 97%
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“…Taking into account that the real samples exhibit conductivity of n-type, we expect that they act as acceptors and exist in 2+ charge state. Indeed, Mn 2+ signal with magnetic moment of 5µ B in Bi 2 Se 3 was observed by EPR measurements [84]. The Mn 2+ level is located within the valence band [see Fig.…”
Section: Interplay Between Impurity Levels and Topological Surface St...mentioning
confidence: 97%
“…Se ), where Bi atoms replace Se ones and vice versa. This non-stoichiometry arises due to difficulties in controlling growth conditions, which result in Bi- or Se- rich samples [ 23 , 33 , 34 , 35 , 36 ]. It has been shown that not only the magnetic defects, but also nonmagnetic disorder can substantially modify the dispersion of the Dirac surface states.…”
Section: Introductionmentioning
confidence: 99%