2021
DOI: 10.1103/physrevb.103.235417
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Oscillations of the electron energy loss rate in two-dimensional transition-metal dichalcogenides in the presence of a quantizing magnetic field

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Cited by 8 publications
(5 citation statements)
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“…We find that shows an oscillatory behavior in accordance with the oscillations of the density of states at the Fermi level. Similar behavior for was predicted previously in GaAs quantum wells [ 45 ] and more recently in two-dimensional transition-metal dichalcogenides [ 46 ]. The peak values of occur when lies close to the localized state of a LL and appear for values of in the vicinity of (with ).…”
Section: Resultssupporting
confidence: 87%
“…We find that shows an oscillatory behavior in accordance with the oscillations of the density of states at the Fermi level. Similar behavior for was predicted previously in GaAs quantum wells [ 45 ] and more recently in two-dimensional transition-metal dichalcogenides [ 46 ]. The peak values of occur when lies close to the localized state of a LL and appear for values of in the vicinity of (with ).…”
Section: Resultssupporting
confidence: 87%
“…The −S g xx is found to display the oscillatory feature caused by the oscillating DoS with the magnetic field as evinced from equation ( 16) (see figure 1), where the peak positions have been pushed to the higher field region (in comparison to those of DoS) due to the effect of phonon scatterings. This result is similar to the −S g xx behavior observed in conventional 2DEG [33,36] and MLG [37], as well as the energy loss rate behavior observed in MoS 2 monolayer [68]. One interesting fact is that the contributions to the −S g xx from τ s = 1 (K↑ and/or K ′ ↓) and τ s = −1 (K↓ and/or K ′ ↑) states are clearly separated due to the lifting of the valley and spin degeneracies in MoS 2 monolayer [9].…”
Section: Resultssupporting
confidence: 87%
“…This is consistent with the phonon-drag thermopower behavior findings in graphene [37]. Our results for the −S g xx in the low-temperature regime differ from those for the mobility [26] and the electron energy loss rate [68] in MoS 2 monolayer, where the exponent is found to be δ e = 4 for unscreened DP scattering and δ e = 6 for DP and PE scatterings, respectively. In previous work evaluating for MoS 2 monolayer with B = 0, Bhargavi and Kubakaddi [25] found that the exponent δ e , in the BG regime T ≪ T BG , is exactly equal to 3 and 5 for unscreened TA-DP and screened TA-PE, respectively.…”
Section: Resultssupporting
confidence: 87%
“…Since graphene was discovered experimentally, 1 2D materials with layered structures were of particular interest to the scientic community. [2][3][4] Many 2D structures have been experimentally synthesized and theoretically predicted with anomalous physical properties that differ from their bulk counterparts. [5][6][7][8][9] Among them, transition metal dichalcogenides are one of the objects that have been focused on in recent research with many prospects for applications in nanotechnology.…”
Section: Introductionmentioning
confidence: 99%