Anomalous proximitized transport in metal/quantum magnet heterostructure Bi2Ir2O7/Yb2Ti2O7

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F24%3A10487553" target="_blank" >RIV/00216208:11320/24:10487553 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=IU41Vf2d.R" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=IU41Vf2d.R</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevMaterials.8.114407" target="_blank" >10.1103/PhysRevMaterials.8.114407</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Anomalous proximitized transport in metal/quantum magnet heterostructure Bi2Ir2O7/Yb2Ti2O7

Popis výsledku v původním jazyce

Fluctuations of quantum spins play a crucial role in the emergence of exotic magnetic phases and excitations. The lack of the charge degree of freedom in insulating quantum magnets, however, precludes such fluctuations from mediating electronic transport. Here, we show that the quantum fluctuations of a localized frustrated magnet induce strong proximitized charge transport of the conduction electrons in a synthetic heterostructure comprising an epitaxial Bi2Ir2O7 ultrathin film on a single crystal of Yb2Ti2O7. The proximity effects are evidenced by the scaling behavior of the Bi2Ir2O7 resistance in correspondence with the dynamic scaling of the dynamic spincorrelation function of Yb2Ti2O7, which is a result of quantum fluctuations near a multiphase quantum critical point. The proximitized transport in Bi2Ir2O7 can be effectively tuned by a magnetic field through suppressing the quantum spin fluctuations (QSFs) as well as inducing transitions via magnetic anisotropy in Yb2Ti2O7. In this paper, we establish a pathway for harnessing QSFs in magnetic insulators with electric transport, offering exciting prospects for potential applications in the realm of quantum spintronics.

Název v anglickém jazyce

Anomalous proximitized transport in metal/quantum magnet heterostructure Bi2Ir2O7/Yb2Ti2O7

Popis výsledku anglicky

Fluctuations of quantum spins play a crucial role in the emergence of exotic magnetic phases and excitations. The lack of the charge degree of freedom in insulating quantum magnets, however, precludes such fluctuations from mediating electronic transport. Here, we show that the quantum fluctuations of a localized frustrated magnet induce strong proximitized charge transport of the conduction electrons in a synthetic heterostructure comprising an epitaxial Bi2Ir2O7 ultrathin film on a single crystal of Yb2Ti2O7. The proximity effects are evidenced by the scaling behavior of the Bi2Ir2O7 resistance in correspondence with the dynamic scaling of the dynamic spincorrelation function of Yb2Ti2O7, which is a result of quantum fluctuations near a multiphase quantum critical point. The proximitized transport in Bi2Ir2O7 can be effectively tuned by a magnetic field through suppressing the quantum spin fluctuations (QSFs) as well as inducing transitions via magnetic anisotropy in Yb2Ti2O7. In this paper, we establish a pathway for harnessing QSFs in magnetic insulators with electric transport, offering exciting prospects for potential applications in the realm of quantum spintronics.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Physical Review Materials

ISSN

2475-9953

e-ISSN

2475-9953

Svazek periodika

8

Číslo periodika v rámci svazku

11

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

8

Strana od-do

114407

Kód UT WoS článku

001350546600003

EID výsledku v databázi Scopus

2-s2.0-85208662378