Repozitorij Univerze v Novi Gorici

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Naslov:Orbital-dependent electron dynamics in Fe-pnictide superconductors
Avtorji:Adhikary, Ganesh (Avtor)
Ressel, Barbara (Avtor)
Rebernik Ribič, Primož (Avtor)
Urbančič, Jurij (Avtor)
De Ninno, Giovanni (Avtor)
Krizmancic, Damjan (Avtor)
Thamizhavel, A. (Avtor)
Maiti, Kalobaran (Avtor)
Stupar, Matija (Avtor)
Datoteke:Gradivo nima datotek. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u. Povezava se odpre v novem oknu
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:We report on orbital-dependent quasiparticle dynamics in EuFe 2 As 2, a parent compound of Fe-based superconductors, and a way to experimentally identify this behavior using time-and angle-resolved photoelectron spectroscopy across the spin density wave transition. We observe two different relaxation timescales for photoexcited d x z/d y z and d x y electrons. While the itinerant d x z/d y z electrons relax faster through the electron-electron scattering channel, d x y electrons form a quasiequilibrium state with the lattice due to their localized character, and the state decays slowly. Our findings suggest that electron correlation in Fe pnictides is an important property, which should carefully be taken into account when describing the electronic properties of both parent and carrier-doped compounds, and therefore establish a strong connection with cuprates
Ključne besede:photoelectron dynamics, Fe based superconductors
Leto izida:2018
Št. strani:205142-2015150
Številčenje:98, 20
COBISS_ID:5273339 Povezava se odpre v novem oknu
URN:URN:SI:UNG:REP:JFPNMRSV
DOI:10.1103/PhysRevB.98.205142 Povezava se odpre v novem oknu
Licenca:CC BY-NC-ND 4.0
To delo je dosegljivo pod licenco Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Število ogledov:1797
Število prenosov:0
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Področja:Gradivo ni uvrščeno v področja.
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Skupna ocena:(0 glasov)
Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.

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Gradivo je del revije

Naslov:Physical Review B
Skrajšan naslov:PRB
Založnik:American Physical Society
Leto izida:2018

Sekundarni jezik

Jezik:Angleški jezik
Naslov:Orbital-dependent electron dynamics in Fe-pnictide superconductors
Opis:We report on orbital-dependent quasiparticle dynamics in EuFe 2 As 2, a parent compound of Fe-based superconductors, and a way to experimentally identify this behavior using time-and angle-resolved photoelectron spectroscopy across the spin density wave transition. We observe two different relaxation timescales for photoexcited d x z/d y z and d x y electrons. While the itinerant d x z/d y z electrons relax faster through the electron-electron scattering channel, d x y electrons form a quasiequilibrium state with the lattice due to their localized character, and the state decays slowly. Our findings suggest that electron correlation in Fe pnictides is an important property, which should carefully be taken into account when describing the electronic properties of both parent and carrier-doped compounds, and therefore establish a strong connection with cuprates
Ključne besede:photoelectron dynamics, Fe based superconductors


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