Probing magnetism in 2D van der Waals crystalline insulators via electron tunneling
Magnetic insulators are a key resource for next-generation spintronic and topological devices. The family of layered metal halides promises varied magnetic states, including ultrathin insulating multiferroics, spin liquids, and ferromagnets, but device-oriented characterization methods are needed to...
| Main Authors: | , , , , , , , , , , |
|---|---|
| Other Authors: | |
| Format: | Article |
| Published: |
American Association for the Advancement of Science (AAAS)
2019
|
| Online Access: | https://hdl.handle.net/1721.1/121333 |
| _version_ | 1826214646010347520 |
|---|---|
| author | Klein, Dahlia Rivka MacNeill, David Lado, J. L. Soriano, D. Navarro-Moratalla, E. Watanabe, K. Taniguchi, T. Manni, S. Canfield, P. Fernandez-Rossier, J. Jarillo-Herrero, Pablo |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Klein, Dahlia Rivka MacNeill, David Lado, J. L. Soriano, D. Navarro-Moratalla, E. Watanabe, K. Taniguchi, T. Manni, S. Canfield, P. Fernandez-Rossier, J. Jarillo-Herrero, Pablo |
| author_sort | Klein, Dahlia Rivka |
| collection | MIT |
| description | Magnetic insulators are a key resource for next-generation spintronic and topological devices. The family of layered metal halides promises varied magnetic states, including ultrathin insulating multiferroics, spin liquids, and ferromagnets, but device-oriented characterization methods are needed to unlock their potential. Here, we report tunneling through the layered magnetic insulator CrI₃ as a function of temperature and applied magnetic field.We electrically detect the magnetic ground state and interlayer coupling and observe a fieldinducedmetamagnetic transition.The metamagnetic transition results in magnetoresistances of 95, 300, and 550% for bilayer, trilayer, and tetralayer CrI₃ barriers, respectively.We further measure inelastic tunneling spectra for our junctions, unveiling a rich spectrum consistent with collective magnetic excitations (magnons) in CrI₃. |
| first_indexed | 2024-09-23T16:08:47Z |
| format | Article |
| id | mit-1721.1/121333 |
| institution | Massachusetts Institute of Technology |
| last_indexed | 2024-09-23T16:08:47Z |
| publishDate | 2019 |
| publisher | American Association for the Advancement of Science (AAAS) |
| record_format | dspace |
| spelling | mit-1721.1/1213332019-06-18T03:00:46Z Probing magnetism in 2D van der Waals crystalline insulators via electron tunneling Klein, Dahlia Rivka MacNeill, David Lado, J. L. Soriano, D. Navarro-Moratalla, E. Watanabe, K. Taniguchi, T. Manni, S. Canfield, P. Fernandez-Rossier, J. Jarillo-Herrero, Pablo Massachusetts Institute of Technology. Department of Physics Magnetic insulators are a key resource for next-generation spintronic and topological devices. The family of layered metal halides promises varied magnetic states, including ultrathin insulating multiferroics, spin liquids, and ferromagnets, but device-oriented characterization methods are needed to unlock their potential. Here, we report tunneling through the layered magnetic insulator CrI₃ as a function of temperature and applied magnetic field.We electrically detect the magnetic ground state and interlayer coupling and observe a fieldinducedmetamagnetic transition.The metamagnetic transition results in magnetoresistances of 95, 300, and 550% for bilayer, trilayer, and tetralayer CrI₃ barriers, respectively.We further measure inelastic tunneling spectra for our junctions, unveiling a rich spectrum consistent with collective magnetic excitations (magnons) in CrI₃. Gordon and Betty Moore Foundation (Grant GBMF4541) 2019-06-17T19:52:43Z 2019-06-17T19:52:43Z 2019-03-27T14:21:08Z Article http://purl.org/eprint/type/JournalArticle 0036-8075 1095-9203 https://hdl.handle.net/1721.1/121333 Klein, D. R. et al. “Probing Magnetism in 2D van Der Waals Crystalline Insulators via Electron Tunneling.” Science 360, 6394 (May 2018): 1218–1222 © 2018 American Association for the Advancement of Science http://dx.doi.org/10.1126/SCIENCE.AAR3617 http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf American Association for the Advancement of Science (AAAS) arXiv |
| spellingShingle | Klein, Dahlia Rivka MacNeill, David Lado, J. L. Soriano, D. Navarro-Moratalla, E. Watanabe, K. Taniguchi, T. Manni, S. Canfield, P. Fernandez-Rossier, J. Jarillo-Herrero, Pablo Probing magnetism in 2D van der Waals crystalline insulators via electron tunneling |
| title | Probing magnetism in 2D van der Waals crystalline insulators via electron tunneling |
| title_full | Probing magnetism in 2D van der Waals crystalline insulators via electron tunneling |
| title_fullStr | Probing magnetism in 2D van der Waals crystalline insulators via electron tunneling |
| title_full_unstemmed | Probing magnetism in 2D van der Waals crystalline insulators via electron tunneling |
| title_short | Probing magnetism in 2D van der Waals crystalline insulators via electron tunneling |
| title_sort | probing magnetism in 2d van der waals crystalline insulators via electron tunneling |
| url | https://hdl.handle.net/1721.1/121333 |
| work_keys_str_mv | AT kleindahliarivka probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling AT macneilldavid probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling AT ladojl probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling AT sorianod probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling AT navarromoratallae probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling AT watanabek probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling AT taniguchit probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling AT mannis probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling AT canfieldp probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling AT fernandezrossierj probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling AT jarilloherreropablo probingmagnetismin2dvanderwaalscrystallineinsulatorsviaelectrontunneling |