Nonlocal Kondo coupling and selective doping from cerium <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>f</mml:mi></mml:math> electrons in iron-based superconductors
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | SOURD, Jérémy | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | TENCÉ, Sophie | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | GAUDIN, Etienne | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | BURDIN, S | |
| dc.date.accessioned | 2024-01-24T03:39:01Z | |
| dc.date.available | 2024-01-24T03:39:01Z | |
| dc.date.issued | 2024 | |
| dc.identifier.issn | 2469-9950 | |
| dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/187448 | |
| dc.description.abstractEn | In this paper, we consider an unconventional doping effect of strongly correlated cerium 4 f electrons in layered intermetallic systems. The conduction electron part of the model is taken to reproduce the hole and electron pockets of iron-based superconductors (FeSCs), and the cerium contribution is studied through an effective tight-binding Hamiltonian arising from the slave-boson mean-field theory of the periodic Anderson model. We show how the consideration of the nonlocal Kondo coupling naturally present in real materials can lead to a pocket-selective doping effect from cerium f electrons. The model is designed for paramagnetic materials of the ZrCuSiAs-type structure such as CeFeSiH, CeFePO, or the high-pressure phase of CeFeAsO. In certain conditions, the model shows a Lifshitz transition which can be induced by either doping or change in the hybridization strength between iron and cerium orbitals. We present some signatures of both pocket-selective doping and Lifshitz transition by means of the density of states at the Fermi level, the static spin susceptibility, the optical conductivity, and Raman spectroscopy. | |
| dc.language.iso | en | |
| dc.publisher | American Physical Society | |
| dc.title.en | Nonlocal Kondo coupling and selective doping from cerium <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>f</mml:mi></mml:math> electrons in iron-based superconductors | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1103/physrevb.109.045117 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Physical Review B | |
| bordeaux.page | 045117 | |
| bordeaux.volume | 109 | |
| bordeaux.hal.laboratories | Laboratoire Ondes et Matière d'Aquitaine (LOMA) - UMR 5798 | * |
| bordeaux.issue | 4 | |
| bordeaux.institution | Université de Bordeaux | |
| bordeaux.institution | CNRS | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-04410240 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-04410240v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Review%20B&rft.date=2024&rft.volume=109&rft.issue=4&rft.spage=045117&rft.epage=045117&rft.eissn=2469-9950&rft.issn=2469-9950&rft.au=SOURD,%20J%C3%A9r%C3%A9my&TENC%C3%89,%20Sophie&GAUDIN,%20Etienne&BURDIN,%20S&rft.genre=article |
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