Large magnetoresistance and nonzero Berry phase in the nodal-line semimetal MoO2


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{
  "id": "663", 
  "metadata": {
    "title": "Large magnetoresistance and nonzero Berry phase in the nodal-line semimetal MoO2", 
    "doi": "10.24435/materialscloud:hw-ws", 
    "license": "Creative Commons Attribution 4.0 International", 
    "keywords": [
      "MoO2", 
      "Magnetoresistance", 
      "Berry phase", 
      "MARVEL", 
      "CSCS", 
      "EPFL"
    ], 
    "contributors": [
      {
        "affiliations": [
          "Department of Physics, Zhejiang University, Hangzhou 310027, China"
        ], 
        "familyname": "Chen", 
        "givennames": "Qin"
      }, 
      {
        "affiliations": [
          "Department of Physics, Zhejiang University, Hangzhou 310027, China"
        ], 
        "familyname": "Hou", 
        "givennames": "Zhefeng"
      }, 
      {
        "affiliations": [
          "Institute of Physics, \u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland", 
          "National Centre for Computational Design and Discovery of Novel Materials (MARVEL), \u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland"
        ], 
        "familyname": "Zhang", 
        "givennames": "Shengnan"
      }, 
      {
        "affiliations": [
          "Department of Physics, Zhejiang University, Hangzhou 310027, China"
        ], 
        "familyname": "Xu", 
        "givennames": "Binjie"
      }, 
      {
        "affiliations": [
          "Department of Physics, Zhejiang University, Hangzhou 310027, China"
        ], 
        "familyname": "Zhou", 
        "givennames": "Yuxing"
      }, 
      {
        "affiliations": [
          "Department of Physics, Zhejiang University, Hangzhou 310027, China"
        ], 
        "familyname": "Chen", 
        "givennames": "Huancheng"
      }, 
      {
        "affiliations": [
          "Department of Physics, Zhejiang University, Hangzhou 310027, China"
        ], 
        "familyname": "Chen", 
        "givennames": "Shuijin"
      }, 
      {
        "affiliations": [
          "Department of Applied Physics, China Jiliang University, Hangzhou 310018, China"
        ], 
        "familyname": "Du", 
        "givennames": "Jianhua"
      }, 
      {
        "affiliations": [
          "Department of Physics, Hangzhou Normal University, Hangzhou 310036, China"
        ], 
        "familyname": "Wang", 
        "givennames": "Hangdong"
      }, 
      {
        "affiliations": [
          "Department of Physics, Hangzhou Normal University, Hangzhou 310036, China"
        ], 
        "familyname": "Yang", 
        "givennames": "Jinhu"
      }, 
      {
        "affiliations": [
          "Institute of Physics, \u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland", 
          "National Centre for Computational Design and Discovery of Novel Materials (MARVEL), \u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland"
        ], 
        "familyname": "Wu", 
        "givennames": "QuanSheng"
      }, 
      {
        "affiliations": [
          "Institute of Physics, \u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland", 
          "National Centre for Computational Design and Discovery of Novel Materials (MARVEL), \u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland"
        ], 
        "familyname": "Yazyev", 
        "email": "oleg.yazyev@epfl.ch", 
        "givennames": "Oleg V."
      }, 
      {
        "affiliations": [
          "Department of Physics, Zhejiang University, Hangzhou 310027, China", 
          "Collaborative Innovation Center of Advanced Microstructure, Nanjing University, Nanjing 210093, China"
        ], 
        "familyname": "Fang", 
        "email": "mhfang@zju.edu.cn", 
        "givennames": "Minghu"
      }
    ], 
    "_files": [
      {
        "description": "Input files for software packages VASP, Wannier90, and WannierTools necessary to reproduce the band structures, Fermi surfaces, nodal lines in the reference.", 
        "checksum": "md5:7e2f24d405a93b5a82e447437f83c06d", 
        "size": 2902736, 
        "key": "MoO2_data_archive.tar.gz"
      }, 
      {
        "description": "README file", 
        "checksum": "md5:5352595c311c96cdfdb317d4ede1e9f9", 
        "size": 363, 
        "key": "README.txt"
      }
    ], 
    "references": [
      {
        "type": "Journal reference", 
        "doi": "10.1103/PhysRevB.102.165133", 
        "citation": "Q. Chen, Z. Lou, S.-N. Zhang, B. Xu, Y. Zhou, H. Chen, S. Chen, J. Du, H. Wang, J. Yang, Q.-S. Wu, O. V. Yazyev, M. Fang, Phys. Rev. B 102, 165133 (2020)", 
        "comment": "Paper where the data is discussed.", 
        "url": "https://doi.org/10.1103/PhysRevB.102.165133"
      }, 
      {
        "type": "Preprint", 
        "citation": "Q. Chen, Z. Lou, S.-N. Zhang, B. Xu, Y. Zhou, H. Chen, S. Chen, J. Du, H. Wang, J. Yang, Q.-S. Wu, O. V. Yazyev, M. Fang, arXiv:2007.04814", 
        "comment": "Preprint where the data is discussed", 
        "url": "https://arxiv.org/abs/2007.04814"
      }
    ], 
    "conceptrecid": "662", 
    "version": 1, 
    "edited_by": 100, 
    "id": "663", 
    "owner": 65, 
    "mcid": "2021.6", 
    "is_last": true, 
    "status": "published", 
    "description": "We performed calculations of the electronic band structure and the Fermi surface as well as measured the longitudinal resistivity \u03c1xx(T,H), Hall resistivity \u03c1xy(T,H), and quantum oscillations of the magnetization as a function of temperature at various magnetic fields for MoO2 with a monoclinic crystal structure. The band structure calculations show that MoO2 is a nodal-line semimetal when the spin-orbit coupling is ignored. It was found that a large magnetoresistance reaching 5.03 \u00d7 10^4% at 2 K and 9 T, its nearly quadratic field dependence, and a field-induced up-turn behavior of \u03c1xx(T), the characteristics common for many topologically nontrivial as well as trivial semimetals, emerge also in MoO2. The observed properties are attributed to a perfect charge-carrier compensation, evidenced by both calculations relying on the Fermi surface topology and the Hall resistivity measurements. Both the observation of negative magnetoresistance for the magnetic field along the current direction and the nonzero Berry phase in de Haas\u2013van Alphen measurements indicate that pairs of Weyl points appear in MoO2, which may be due to the crystal symmetry breaking. These results highlight MoO2 as a platform for studying the topological properties of oxides.", 
    "license_addendum": null, 
    "_oai": {
      "id": "oai:materialscloud.org:663"
    }, 
    "publication_date": "Jan 09, 2021, 19:28:46"
  }, 
  "revision": 13, 
  "updated": "2021-01-09T18:28:46.123466+00:00", 
  "created": "2020-12-01T15:13:19.944770+00:00"
}