Orbital-induced crossover of the Fulde-Ferrell-Larkin-Ovchinnikov phase into Abrikosov-like states

Kotte, Tommy; Kühne, H.; Schlueter, John A.; Zwicknagl, Gertrud; Wosnitza, J.

doi:10.1103/physrevb.106.l060503

Phys. Rev. B

2022

DOI: 10.1103/physrevb.106.l060503

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Orbital-induced crossover of the Fulde-Ferrell-Larkin-Ovchinnikov phase into Abrikosov-like states

Tommy Kotte

H. Kühne

John A. Schlueter

et al.

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2024

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Cited by 2 publications

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Constructing the Fulde–Ferrell–Larkin–Ovchinnikov State in a CrOCl/NbSe₂ van der Waals Heterostructure

Ding,

He,

Zhang

et al. 2024

Nano Lett.

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Time reversal symmetry breaking in superconductors, resulting from external magnetic fields or spontaneous magnetization, often leads to unconventional superconducting properties. In this way, an intrinsic phenomenon called the Fulde− Ferrell−Larkin−Ovchinnikov (FFLO) state may be realized by the Zeeman effect. Here, we construct the FFLO state in an artificial CrOCl/NbSe 2 van der Waals (vdW) heterostructure by utilizing the superconducting proximity effect of NbSe 2 flakes. The proximity-induced superconductivity demonstrates a considerably weak gap of about 0.12 meV, and the in-plane upper critical field reveals the behavior of the FFLO state. First-principles calculations uncover the origin of the proximitized superconductivity, which indicates the importance of Cr vacancies or line defects in CrOCl. Moreover, the FFLO state could be induced by the inherent large spin splitting in CrOCl. Our findings not only provide a practical scheme for constructing the FFLO state but also inspire the discovery of an exotic FFLO state in other two-dimensional vdW heterostructures.

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Constructing the Fulde–Ferrell–Larkin–Ovchinnikov State in a CrOCl/NbSe₂ van der Waals Heterostructure

Ding,

He,

Zhang

et al. 2024

Nano Lett.

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Order-parameter evolution in the Fulde-Ferrell-Larkin-Ovchinnikov phase

Molatta,

Kotte,

Opherden

et al. 2024

Phys. Rev. B

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Orbital-induced crossover of the Fulde-Ferrell-Larkin-Ovchinnikov phase into Abrikosov-like states

Cited by 2 publications

References 61 publications

Constructing the Fulde–Ferrell–Larkin–Ovchinnikov State in a CrOCl/NbSe₂ van der Waals Heterostructure

Constructing the Fulde–Ferrell–Larkin–Ovchinnikov State in a CrOCl/NbSe₂ van der Waals Heterostructure

Order-parameter evolution in the Fulde-Ferrell-Larkin-Ovchinnikov phase

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Orbital-induced crossover of the Fulde-Ferrell-Larkin-Ovchinnikov phase into Abrikosov-like states

Cited by 2 publications

References 61 publications

Constructing the Fulde–Ferrell–Larkin–Ovchinnikov State in a CrOCl/NbSe2 van der Waals Heterostructure

Constructing the Fulde–Ferrell–Larkin–Ovchinnikov State in a CrOCl/NbSe2 van der Waals Heterostructure

Order-parameter evolution in the Fulde-Ferrell-Larkin-Ovchinnikov phase

Contact Info

Product

Resources

About

Constructing the Fulde–Ferrell–Larkin–Ovchinnikov State in a CrOCl/NbSe₂ van der Waals Heterostructure

Constructing the Fulde–Ferrell–Larkin–Ovchinnikov State in a CrOCl/NbSe₂ van der Waals Heterostructure