Search Results - "Hlevyack, Joseph A"

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  1. 1

    In Situ Strain Tuning of the Dirac Surface States in Bi2Se3 Films by Flötotto, David, Bai, Yang, Chan, Yang-Hao, Chen, Peng, Wang, Xiaoxiong, Rossi, Paul, Xu, Cai-Zhi, Zhang, Can, Hlevyack, Joseph A, Denlinger, Jonathan D, Hong, Hawoong, Chou, Mei-Yin, Mittemeijer, Eric J, Eckstein, James N, Chiang, Tai-Chang

    Published in Nano letters (12-09-2018)
    “…Elastic strain has the potential for a controlled manipulation of the band gap and spin-polarized Dirac states of topological materials, which can lead to…”
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    Journal Article
  2. 2

    Cloning the Dirac cones of bilayer graphene to the zone center by selenium adsorption by Lin, Meng-Kai, Zhao, Jun, Hlevyack, Joseph A., Chiang, T.-C.

    Published in NPJ 2D materials and applications (04-11-2022)
    “…Dirac cones can foster extraordinary electronic effects, as exemplified by the case of graphene layers. Angle-resolved photoemission reveals that adsorption of…”
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  3. 3

    Dimensional crossover and band topology evolution in ultrathin semimetallic NiTe2 films by Hlevyack, Joseph A., Feng, Liang-Ying, Lin, Meng-Kai, Villaos, Rovi Angelo B., Liu, Ro-Ya, Chen, Peng, Li, Yao, Mo, Sung-Kwan, Chuang, Feng-Chuan, Chiang, T.-C.

    Published in NPJ 2D materials and applications (12-04-2021)
    “…Nickel ditelluride (NiTe 2 ), a recently discovered Type-II Dirac semimetal with topological Dirac fermions near the Fermi energy, is expected to exhibit…”
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    Journal Article
  4. 4

    Emergent and Tunable Topological Surface States in Complementary Sb/Bi2Te3 and Bi2Te3/Sb Thin-Film Heterostructures by Li, Yao, Bowers, John W., Hlevyack, Joseph A., Lin, Meng-Kai, Chiang, Tai-Chang

    Published in ACS nano (28-06-2022)
    “…Epitaxial thin-film heterostructures offer a versatile platform for realizing topological surface states (TSSs) that may be emergent and/or tunable by…”
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  5. 5

    Dimensionality-Mediated Semimetal-Semiconductor Transition in Ultrathin PtTe2 Films by Lin, Meng-Kai, B Villaos, Rovi Angelo, Hlevyack, Joseph A, Chen, Peng, Liu, Ro-Ya, Hsu, Chia-Hsiu, Avila, José, Mo, Sung-Kwan, Chuang, Feng-Chuan, Chiang, T-C

    Published in Physical review letters (24-01-2020)
    “…Platinum ditelluride (PtTe2), a type-II Dirac semimetal, remains semimetallic in ultrathin films down to just two triatomic layers (TLs) with a negative gap of…”
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  6. 6

    Emergent and Tunable Topological Surface States in Complementary Sb/Bi 2 Te 3 and Bi 2 Te 3 /Sb Thin-Film Heterostructures by Li, Yao, Bowers, John W, Hlevyack, Joseph A, Lin, Meng-Kai, Chiang, Tai-Chang

    Published in ACS nano (28-06-2022)
    “…Epitaxial thin-film heterostructures offer a versatile platform for realizing topological surface states (TSSs) that may be emergent and/or tunable by…”
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    Journal Article
  7. 7

    Topological Quantum Well States in Pb/Sb Thin-Film Heterostructures by Li, Yao, Chan, Yang-hao, Hlevyack, Joseph A., Bowers, John W., Chou, Mei-Yin, Chiang, Tai-Chang

    Published in ACS nano (09-04-2024)
    “…Composite topological heterostructures, wherein topologically protected states are electronically tuned due to their proximity to other matter, are key avenues…”
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  8. 8

    Charge Instability in Single-Layer TiTe2 Mediated by van der Waals Bonding to Substrates by Lin, Meng-Kai, Hlevyack, Joseph A, Chen, Peng, Liu, Ro-Ya, Mo, Sung-Kwan, Chiang, T-C

    Published in Physical review letters (22-10-2020)
    “…Single layers of transition metal dichalcogenides are of interest for emergent properties; an often-neglected issue is substrate effects. Our experiments show…”
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  9. 9

    Uniform Diffusion of Cooper Pairing Mediated by Hole Carriers in Topological Sb2Te3/Nb by Hlevyack, Joseph A., Najafzadeh, Sahand, Li, Yao, Nagashima, Tsubaki, Mine, Akifumi, Zhong, Yigui, Suzuki, Takeshi, Fukushima, Akiko, Lin, Meng-Kai, Suresh Babu, Soorya, Hwang, Jinwoong, Lee, Ji-Eun, Mo, Sung-Kwan, Eckstein, James N., Shin, Shik, Okazaki, Kozo, Chiang, Tai-Chang

    Published in ACS nano (12-11-2024)
    “…Spin-helical Dirac Fermions at a doped topological insulator’s boundaries can support Majorana quasiparticles when coupled with s-wave superconductors, but in…”
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  10. 10

    Uniform Diffusion of Cooper Pairing Mediated by Hole Carriers in Topological Sb 2 Te 3 /Nb by Hlevyack, Joseph A, Najafzadeh, Sahand, Li, Yao, Nagashima, Tsubaki, Mine, Akifumi, Zhong, Yigui, Suzuki, Takeshi, Fukushima, Akiko, Lin, Meng-Kai, Suresh Babu, Soorya, Hwang, Jinwoong, Lee, Ji-Eun, Mo, Sung-Kwan, Eckstein, James N, Shin, Shik, Okazaki, Kozo, Chiang, Tai-Chang

    Published in ACS nano (29-10-2024)
    “…Spin-helical Dirac Fermions at a doped topological insulator's boundaries can support Majorana quasiparticles when coupled with -wave superconductors, but in…”
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    Journal Article
  11. 11

    Coherent Electronic Band Structure of TiTe2/TiSe2 Moiré Bilayer by Lin, Meng-Kai, He, Tao, Hlevyack, Joseph A, Chen, Peng, Mo, Sung-Kwan, Chou, Mei-Yin, Chiang, T.-C

    Published in ACS nano (23-02-2021)
    “…A van der Waals bonded moiré bilayer formed by sequential growth of TiSe2 and TiTe2 monolayers exhibits emergent electronic structure as evidenced by…”
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  12. 12

    Coherent Electronic Band Structure of TiTe 2 /TiSe 2 Moiré Bilayer by Lin, Meng-Kai, He, Tao, Hlevyack, Joseph A, Chen, Peng, Mo, Sung-Kwan, Chou, Mei-Yin, Chiang, T-C

    Published in ACS nano (23-02-2021)
    “…A van der Waals bonded moiré bilayer formed by sequential growth of TiSe and TiTe monolayers exhibits emergent electronic structure as evidenced by…”
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    Journal Article
  13. 13

    Comment on "Chiral Phase Transition in Charge Ordered 1T-TiSe2" by Lin, Meng-Kai, Hlevyack, Joseph A, Chen, Peng, Liu, Ro-Ya, Chiang, T-C

    Published in Physical review letters (06-06-2019)
    “…A previous report of the emergence of chirality for the ( 2 × 2 × 2 ) charge density wave (CDW) in TiSe2 has attracted much interest; the drastic symmetry…”
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    In Situ Strain Tuning of the Dirac Surface States in Bi 2 Se 3 Films by Flötotto, David, Bai, Yang, Chan, Yang-Hao, Chen, Peng, Wang, Xiaoxiong, Rossi, Paul, Xu, Cai-Zhi, Zhang, Can, Hlevyack, Joseph A, Denlinger, Jonathan D, Hong, Hawoong, Chou, Mei-Yin, Mittemeijer, Eric J, Eckstein, James N, Chiang, Tai-Chang

    Published in Nano letters (12-09-2018)
    “…Elastic strain has the potential for a controlled manipulation of the band gap and spin-polarized Dirac states of topological materials, which can lead to…”
    Get full text
    Journal Article
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    In Situ Strain Tuning of the Dirac Surface States in Bi2Se3 Films by Flötotto, David, Bai, Yang, Chan, Yang-Hao, Chen, Peng, Wang, Xiaoxiong, Rossi, Paul, Xu, Cai-Zhi, Zhang, Can, Hlevyack, Joseph A., Denlinger, Jonathan D., Hong, Hawoong, Chou, Mei-Yin, Mittemeijer, Eric J., Eckstein, James N., Chiang, Tai-Chang

    Published in Nano letters (02-08-2018)
    “…Elastic strain has the potential for a controlled manipulation of the band gap and spin-polarized Dirac states of topological materials, which can lead to…”
    Get full text
    Journal Article