Structure and dynamics of a pinned vortex liquid in a superconducting 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>a</mml:mi><mml:mtext>−</mml:mtext><mml:msub><mml:mi>Re</mml:mi><mml:mn>6</mml:mn></mml:msub><mml:mi>Zr</mml:mi></mml:mrow></mml:math>
 thin film

Duhan, Rishabh; Sengupta, Subhamita; Tomar, Ruchi; Basistha, Somak; Bagwe, Vivas; Dasgupta, Chandan; Raychaudhuri, Pratap

doi:10.1103/physrevb.108.l180503

Phys. Rev. B

2023

DOI: 10.1103/physrevb.108.l180503

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Structure and dynamics of a pinned vortex liquid in a superconducting a−Re6Zr thin film

Rishabh Duhan,

Subhamita Sengupta,

Ruchi Tomar

et al.

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2024

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Cited by 3 publications

References 49 publications

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Low-frequency electrodynamics in the mixed state of superconducting NbN and a-MoGe films using two-coil mutual inductance technique

Basistha,

Mandal,

Jesudasan

et al. 2024

Supercond. Sci. Technol.

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We investigate the low-frequency electrodynamics in the vortex state of two type-II superconducting films, namely, a moderate-to-strongly pinned Niobium Nitride (NbN) and a very weakly pinned amorphous Molybdenum Germanium (a-MoGe). We employ a two-coil mutual inductance technique to extract the complex penetration depth, λ ̃. The sample response is studied through the temperature variation of λ ̃ in the mixed state, where we employ a model developed by Coffey and Clem (CC model) to extract the different vortex lattice (VL) parameters such as the restoring pinning force constant (Labusch parameter), VL drag coefficient and pinning potential barrier. We observe that a consistent description of the inductive and dissipative part of the response is only possible when we take the viscous drag on the vortices to be several orders of magnitudes larger than viscous drag estimated from the Bardeen-Stephen model.

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Low-frequency electrodynamics in the mixed state of superconducting NbN and a-MoGe films using two-coil mutual inductance technique

Basistha,

Mandal,

Jesudasan

et al. 2024

Supercond. Sci. Technol.

Self Cite

View full text Add to dashboard Cite

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Origin of superconductivity in disordered tungsten thin films

Bagwe,

Duhan,

Chalke

et al. 2024

Phys. Rev. B

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Effect of disorder on phases across two-dimensional thermal melting

Jami,

Chaudhuri,

Dasgupta

et al. 2024

Phys. Rev. E

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Structure and dynamics of a pinned vortex liquid in a superconducting a−Re6Zr thin film

Cited by 3 publications

References 49 publications

Low-frequency electrodynamics in the mixed state of superconducting NbN and a-MoGe films using two-coil mutual inductance technique

Low-frequency electrodynamics in the mixed state of superconducting NbN and a-MoGe films using two-coil mutual inductance technique

Origin of superconductivity in disordered tungsten thin films

Effect of disorder on phases across two-dimensional thermal melting

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