Magnetic and electronic structure of the layered rare-earth pnictide EuCd2Sb2
Resonant elastic X-ray scattering (REXS) at the Eu M5 edge reveals an antiferromagnetic structure in layered EuCd2Sb2 at temperatures below TN = 7.4 K with a magnetic propagation vector of (0, 0, 1/2) and spins in the basal plane. Magneto-transport and REXS measurements with an in-plane magnetic fie...
| Main Authors: | , , , , , , |
|---|---|
| Format: | Journal article |
| Published: |
American Physical Society
2018
|
| _version_ | 1826307086049345536 |
|---|---|
| author | Soh, JR Donnerer, C Hughes, KM Schierle, E Weschke, E Prabhakaran, D Boothroyd, AT |
| author_facet | Soh, JR Donnerer, C Hughes, KM Schierle, E Weschke, E Prabhakaran, D Boothroyd, AT |
| author_sort | Soh, JR |
| collection | OXFORD |
| description | Resonant elastic X-ray scattering (REXS) at the Eu M5 edge reveals an antiferromagnetic structure in layered EuCd2Sb2 at temperatures below TN = 7.4 K with a magnetic propagation vector of (0, 0, 1/2) and spins in the basal plane. Magneto-transport and REXS measurements with an in-plane magnetic field show that features in the magnetoresistance are correlated with changes in the magnetic structure induced by the field. Ab initio electronic structure calculations predict that the observed spin structure gives rise to a gapped Dirac point close to the Fermi level with a gap of ∆E ∼ 0.01 eV. The results of this study indicate that the Eu spins are coupled to conduction electron states near the Dirac point. |
| first_indexed | 2024-03-07T06:57:41Z |
| format | Journal article |
| id | oxford-uuid:feb1aea9-6ebe-4654-afe7-d06f1b182ab0 |
| institution | University of Oxford |
| last_indexed | 2024-03-07T06:57:41Z |
| publishDate | 2018 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | oxford-uuid:feb1aea9-6ebe-4654-afe7-d06f1b182ab02022-03-27T13:38:38ZMagnetic and electronic structure of the layered rare-earth pnictide EuCd2Sb2Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:feb1aea9-6ebe-4654-afe7-d06f1b182ab0Symplectic Elements at OxfordAmerican Physical Society2018Soh, JRDonnerer, CHughes, KMSchierle, EWeschke, EPrabhakaran, DBoothroyd, ATResonant elastic X-ray scattering (REXS) at the Eu M5 edge reveals an antiferromagnetic structure in layered EuCd2Sb2 at temperatures below TN = 7.4 K with a magnetic propagation vector of (0, 0, 1/2) and spins in the basal plane. Magneto-transport and REXS measurements with an in-plane magnetic field show that features in the magnetoresistance are correlated with changes in the magnetic structure induced by the field. Ab initio electronic structure calculations predict that the observed spin structure gives rise to a gapped Dirac point close to the Fermi level with a gap of ∆E ∼ 0.01 eV. The results of this study indicate that the Eu spins are coupled to conduction electron states near the Dirac point. |
| spellingShingle | Soh, JR Donnerer, C Hughes, KM Schierle, E Weschke, E Prabhakaran, D Boothroyd, AT Magnetic and electronic structure of the layered rare-earth pnictide EuCd2Sb2 |
| title | Magnetic and electronic structure of the layered rare-earth pnictide EuCd2Sb2 |
| title_full | Magnetic and electronic structure of the layered rare-earth pnictide EuCd2Sb2 |
| title_fullStr | Magnetic and electronic structure of the layered rare-earth pnictide EuCd2Sb2 |
| title_full_unstemmed | Magnetic and electronic structure of the layered rare-earth pnictide EuCd2Sb2 |
| title_short | Magnetic and electronic structure of the layered rare-earth pnictide EuCd2Sb2 |
| title_sort | magnetic and electronic structure of the layered rare earth pnictide eucd2sb2 |
| work_keys_str_mv | AT sohjr magneticandelectronicstructureofthelayeredrareearthpnictideeucd2sb2 AT donnererc magneticandelectronicstructureofthelayeredrareearthpnictideeucd2sb2 AT hugheskm magneticandelectronicstructureofthelayeredrareearthpnictideeucd2sb2 AT schierlee magneticandelectronicstructureofthelayeredrareearthpnictideeucd2sb2 AT weschkee magneticandelectronicstructureofthelayeredrareearthpnictideeucd2sb2 AT prabhakarand magneticandelectronicstructureofthelayeredrareearthpnictideeucd2sb2 AT boothroydat magneticandelectronicstructureofthelayeredrareearthpnictideeucd2sb2 |