J. Semicond. > 2021, Volume 42 > Issue 6 > 060401, doi: 10.1088/1674-4926/42/6/060401
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Magnetic quantum oscillation in a monolayer insulator

Xin Lu

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 Corresponding author: Xin Lu, xlu5@tulane.edu

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[1]
Wang P, Yu G, Jia Y, et al. Landau quantization and highly mobile fermions in an insulator. Nature, 2021, 589, 225 doi: 10.1038/s41586-020-03084-9
[2]
Qian X, Liu J, Fu L, et al. Quantum spin Hall effect in two-dimensional transition metal dichalcogenides. Science, 2014, 346, 1344 doi: 10.1126/science.1256815
[3]
Tang S J, Zhang C F, Wong D, et al. Quantum spin Hall state in monolayer 1T'-WTe2. Nat Phys, 2017, 13, 683 doi: 10.1038/nphys4174
[4]
Fei Z Y, Palomaki T, Wu S F, et al. Edge conduction in monolayer WTe2. Nat Phys, 2017, 13, 677 doi: 10.1038/nphys4091
[5]
Wu S F, Fatemi V, Gibson Q D, et al. Observation of the quantum spin Hall effect up to 100 kelvin in a monolayer crystal. Science, 2018, 359, 76 doi: 10.1126/science.aan6003
[6]
Kwan Y H, Devakul T, Sondhi S L, et al. Theory of competing excitonic orders in insulating WTe2 monolayers. arXiv preprint arXiv: 2012.05255, 2020
[7]
Jia Y, Wang P, Chiu C L, et al. Evidence for a monolayer excitonic insulator. arXiv preprint arXiv: 2010.05390, 2020
[8]
Fatemi V, Wu S, Cao Y, et al. Electrically tunable low-density superconductivity in a monolayer topological insulator. Science, 2018, 362, 926 doi: 10.1126/science.aar4642
[9]
Sajadi E, Palomaki T, Fei Z Y, et al. Gate-induced superconductivity in a monolayer topological insulator. Science, 2018, 362, 922 doi: 10.1126/science.aar4426
[10]
Bistritzer R, MacDonald A H. Moire bands in twisted double-layer graphene. PNAS, 2011, 108, 12233 doi: 10.1073/pnas.1108174108
[11]
Fu L, Kane C L. Superconducting proximity effect and Majorana fermions at the surface of a topological insulator. Phys Rev Lett, 2008, 100, 096407 doi: 10.1103/PhysRevLett.100.096407
[12]
Devarakonda A, Checkelsky J G. Monolayers have the edge. Nat Phys, 2017, 13, 630 doi: 10.1038/nphys4198
[13]
Cao Y, Fatemi V, Fang S, et al. Unconventional superconductivity in magic-angle graphene superlattices. Nature, 2018, 556, 43 doi: 10.1038/nature26160
[14]
Yankowitz M, Chen S W, Polshyn H, et al. Tuning superconductivity in twisted bilayer graphene. Science, 2019, 363, 1059 doi: 10.1126/science.aav1910
[15]
Wang L, Shih E M, Ghiotto A, et al. Correlated electronic phases in twisted bilayer transition metal dichalcogenides. Nat Mater, 2020, 19, 861 doi: 10.1038/s41563-020-0708-6
[16]
Xu Y, Liu S, Rhodes D A, et al. Correlated insulating states at fractional fillings of moiré superlattices. Nature, 2020, 587, 214 doi: 10.1038/s41586-020-2868-6
[17]
Huang X, Wang T M, Miao S N, et al. Correlated insulating states at fractional fillings of the WS2/WSe2 moiré lattice. Nat Phys, 2021, in press doi: 10.1038/s41567-021-01171-w
[18]
Regan E C, Wang D Q, Jin C H, et al. Mott and generalized Wigner crystal states in WSe2/WS2 moiré superlattices. Nature, 2020, 579, 359 doi: 10.1038/s41586-020-2092-4
[19]
Smoleński T, Dolgirev P E, Kuhlenkamp C, et al. Observation of Wigner crystal of electrons in a monolayer semiconductor. arXiv preprint arXiv: 2010.03078, 2020
Fig. 1.  (Color online) (a) Device schematic showing electrodes in contact with WTe2 in small selected areas without touching the edge of the sample. (b) A magnetoresistance curve taken at low temperature. Zoom-in view of data at low field is shown in the inset. Figures are adapted from Ref. [1] with permission.

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[1]
Wang P, Yu G, Jia Y, et al. Landau quantization and highly mobile fermions in an insulator. Nature, 2021, 589, 225 doi: 10.1038/s41586-020-03084-9
[2]
Qian X, Liu J, Fu L, et al. Quantum spin Hall effect in two-dimensional transition metal dichalcogenides. Science, 2014, 346, 1344 doi: 10.1126/science.1256815
[3]
Tang S J, Zhang C F, Wong D, et al. Quantum spin Hall state in monolayer 1T'-WTe2. Nat Phys, 2017, 13, 683 doi: 10.1038/nphys4174
[4]
Fei Z Y, Palomaki T, Wu S F, et al. Edge conduction in monolayer WTe2. Nat Phys, 2017, 13, 677 doi: 10.1038/nphys4091
[5]
Wu S F, Fatemi V, Gibson Q D, et al. Observation of the quantum spin Hall effect up to 100 kelvin in a monolayer crystal. Science, 2018, 359, 76 doi: 10.1126/science.aan6003
[6]
Kwan Y H, Devakul T, Sondhi S L, et al. Theory of competing excitonic orders in insulating WTe2 monolayers. arXiv preprint arXiv: 2012.05255, 2020
[7]
Jia Y, Wang P, Chiu C L, et al. Evidence for a monolayer excitonic insulator. arXiv preprint arXiv: 2010.05390, 2020
[8]
Fatemi V, Wu S, Cao Y, et al. Electrically tunable low-density superconductivity in a monolayer topological insulator. Science, 2018, 362, 926 doi: 10.1126/science.aar4642
[9]
Sajadi E, Palomaki T, Fei Z Y, et al. Gate-induced superconductivity in a monolayer topological insulator. Science, 2018, 362, 922 doi: 10.1126/science.aar4426
[10]
Bistritzer R, MacDonald A H. Moire bands in twisted double-layer graphene. PNAS, 2011, 108, 12233 doi: 10.1073/pnas.1108174108
[11]
Fu L, Kane C L. Superconducting proximity effect and Majorana fermions at the surface of a topological insulator. Phys Rev Lett, 2008, 100, 096407 doi: 10.1103/PhysRevLett.100.096407
[12]
Devarakonda A, Checkelsky J G. Monolayers have the edge. Nat Phys, 2017, 13, 630 doi: 10.1038/nphys4198
[13]
Cao Y, Fatemi V, Fang S, et al. Unconventional superconductivity in magic-angle graphene superlattices. Nature, 2018, 556, 43 doi: 10.1038/nature26160
[14]
Yankowitz M, Chen S W, Polshyn H, et al. Tuning superconductivity in twisted bilayer graphene. Science, 2019, 363, 1059 doi: 10.1126/science.aav1910
[15]
Wang L, Shih E M, Ghiotto A, et al. Correlated electronic phases in twisted bilayer transition metal dichalcogenides. Nat Mater, 2020, 19, 861 doi: 10.1038/s41563-020-0708-6
[16]
Xu Y, Liu S, Rhodes D A, et al. Correlated insulating states at fractional fillings of moiré superlattices. Nature, 2020, 587, 214 doi: 10.1038/s41586-020-2868-6
[17]
Huang X, Wang T M, Miao S N, et al. Correlated insulating states at fractional fillings of the WS2/WSe2 moiré lattice. Nat Phys, 2021, in press doi: 10.1038/s41567-021-01171-w
[18]
Regan E C, Wang D Q, Jin C H, et al. Mott and generalized Wigner crystal states in WSe2/WS2 moiré superlattices. Nature, 2020, 579, 359 doi: 10.1038/s41586-020-2092-4
[19]
Smoleński T, Dolgirev P E, Kuhlenkamp C, et al. Observation of Wigner crystal of electrons in a monolayer semiconductor. arXiv preprint arXiv: 2010.03078, 2020

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    Received: 17 January 2021 Revised: 08 March 2021 Online: Accepted Manuscript: 09 March 2021Uncorrected proof: 09 March 2021Published: 01 June 2021

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      Article Navigation >  Journal of Semiconductors  > 2021  >  42(6): 060401
      Xin Lu. Magnetic quantum oscillation in a monolayer insulator[J]. Journal of Semiconductors, 2021, 42(6): 060401. doi: 10.1088/1674-4926/42/6/060401 X Lu, Magnetic quantum oscillation in a monolayer insulator[J]. J. Semicond., 2021, 42(6): 060401. doi: 10.1088/1674-4926/42/6/060401.Export: BibTex EndNote
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      Xin Lu. Magnetic quantum oscillation in a monolayer insulator[J]. Journal of Semiconductors, 2021, 42(6): 060401. doi: 10.1088/1674-4926/42/6/060401

      X Lu, Magnetic quantum oscillation in a monolayer insulator[J]. J. Semicond., 2021, 42(6): 060401. doi: 10.1088/1674-4926/42/6/060401.
      Export: BibTex EndNote
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      Magnetic quantum oscillation in a monolayer insulator

      doi: 10.1088/1674-4926/42/6/060401

      • Department of Physics and Engineering Physics, Tulane University, New Orleans, USA

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      • Author Bio:

        Xin Lu earned her bachelor’s degree from Wuhan University in 2012, and her PhD from Nanyang Technological University in 2017. Subsequently, Lu joined Prof. Ajit Srivastava’s group at Emory University as a postdoc. Since January 2021, Lu has started as an Assistant Professor in the Department of Physics and Engineering Physics at Tulane University

      • Corresponding author: xlu5@tulane.edu
      • Received Date: 2021-01-17
      • Revised Date: 2021-03-08
      • Published Date: 2021-06-10

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