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Title: Electronic structure of the chiral helimagnet and 3d-intercalated transition metal dichalcogenide Cr1/3NbS2

Abstract

The electronic structure of the chiral helimagnet Cr1/3NbS2 has been studied with core level and angle-resolved photoemission spectroscopy (ARPES). Intercalated Cr atoms are found to be effective in donating electrons to the NbS2 layers but also cause significant modifications of the electronic structure of the host NbS2 material. Specifically, the data provide evidence that a description of the electronic structure of Cr1/3NbS2 on the basis of a simple rigid band picture is untenable. The data also reveal substantial inconsistencies with the predictions of standard density functional theory. In conclusion, the relevance of these results to the attainment of a correct description of the electronic structure of chiral helimagnets, magnetic thin films/multilayers, and transition metal dichalcogenides intercalated with 3d magnetic elements is discussed.

Authors:
 [1];  [2];  [3];  [4];  [3];  [1];  [1];  [5];  [6];  [7];  [3];  [1];  [1];  [1];  [8];  [9];  [1]
  1. Univ. of Tennessee, Knoxville, TN (United States)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
  3. Institute of Materials Workshop (IOM), CNR Laboratory, Trieste (Italy)
  4. Institute of Materials Workshop (IOM), CNR Laboratory, Trieste (Italy); Elettra Sincrotrone Trieste, Basovizza (Italy)
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS)
  6. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
  7. Institute of Materials Workshop (IOM), CNR Laboratory, Trieste (Italy); International Centre for Theoretical Physics, Strada Costiera, Trieste (Italy)
  8. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  9. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
OSTI Identifier:
1311264
Alternate Identifier(s):
OSTI ID: 1298342; OSTI ID: 1393070
Grant/Contract Number:  
AC05-00OR22725; AC02-05CH1123; DMR-1151687; DMR-1410428; AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 94; Journal Issue: 7; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Sirca, N., Mo, S. -K., Bondino, F., Pis, I., Nappini, S., Vilmercati, P., Yi, Jieyu, Gai, Zheng, Snijders, Paul C., Das, P. K., Vobornik, I., Ghimire, N. J., Koehler, Michael R., Sopkota, D., Parker, David S., Mandrus, D. G., and Mannella, Norman. Electronic structure of the chiral helimagnet and 3d-intercalated transition metal dichalcogenide Cr1/3NbS2. United States: N. p., 2016. Web. doi:10.1103/PhysRevB.94.075141.
Sirca, N., Mo, S. -K., Bondino, F., Pis, I., Nappini, S., Vilmercati, P., Yi, Jieyu, Gai, Zheng, Snijders, Paul C., Das, P. K., Vobornik, I., Ghimire, N. J., Koehler, Michael R., Sopkota, D., Parker, David S., Mandrus, D. G., & Mannella, Norman. Electronic structure of the chiral helimagnet and 3d-intercalated transition metal dichalcogenide Cr1/3NbS2. United States. doi:10.1103/PhysRevB.94.075141.
Sirca, N., Mo, S. -K., Bondino, F., Pis, I., Nappini, S., Vilmercati, P., Yi, Jieyu, Gai, Zheng, Snijders, Paul C., Das, P. K., Vobornik, I., Ghimire, N. J., Koehler, Michael R., Sopkota, D., Parker, David S., Mandrus, D. G., and Mannella, Norman. Thu . "Electronic structure of the chiral helimagnet and 3d-intercalated transition metal dichalcogenide Cr1/3NbS2". United States. doi:10.1103/PhysRevB.94.075141. https://www.osti.gov/servlets/purl/1311264.
@article{osti_1311264,
title = {Electronic structure of the chiral helimagnet and 3d-intercalated transition metal dichalcogenide Cr1/3NbS2},
author = {Sirca, N. and Mo, S. -K. and Bondino, F. and Pis, I. and Nappini, S. and Vilmercati, P. and Yi, Jieyu and Gai, Zheng and Snijders, Paul C. and Das, P. K. and Vobornik, I. and Ghimire, N. J. and Koehler, Michael R. and Sopkota, D. and Parker, David S. and Mandrus, D. G. and Mannella, Norman},
abstractNote = {The electronic structure of the chiral helimagnet Cr1/3NbS2 has been studied with core level and angle-resolved photoemission spectroscopy (ARPES). Intercalated Cr atoms are found to be effective in donating electrons to the NbS2 layers but also cause significant modifications of the electronic structure of the host NbS2 material. Specifically, the data provide evidence that a description of the electronic structure of Cr1/3NbS2 on the basis of a simple rigid band picture is untenable. The data also reveal substantial inconsistencies with the predictions of standard density functional theory. In conclusion, the relevance of these results to the attainment of a correct description of the electronic structure of chiral helimagnets, magnetic thin films/multilayers, and transition metal dichalcogenides intercalated with 3d magnetic elements is discussed.},
doi = {10.1103/PhysRevB.94.075141},
journal = {Physical Review B},
number = 7,
volume = 94,
place = {United States},
year = {2016},
month = {8}
}

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