Charge transport in normal metal-magnesiumdiboride junctions

A. Brinkman; S.H.W. van der Ploeg; A.A. Golubov; H. Rogalla; T.H. Kim; J.S. Moodera

doi:10.1016/j.jpcs.2005.10.013

Charge transport in normal metal-magnesiumdiboride junctions

A. Brinkman^*, S.H.W. van der Ploeg, A.A. Golubov, H. Rogalla, T.H. Kim, J.S. Moodera

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

The influence of the multiband nature of superconductivity in MgB ₂ on the charge transport properties of MgB₂ tunnel junctions and normal metal-MgB₂ heterostructures has been theoretically modeled and experimentally explored. The conductance as function of barrier height and angle is calculated. Planar c-axis tunnel junctions are realized in which two gaps are resolved in the tunnel spectrum. For junctions with additional conductance in the direction of the crystallographic a-b plane we observe a sharp resonance that can possibly be attributed to a Leggett mode.

Original language	English
Pages (from-to)	407-411
Number of pages	5
Journal	Journal of physics and chemistry of solids
Volume	67
Issue number	1-3
DOIs	https://doi.org/10.1016/j.jpcs.2005.10.013
Publication status	Published - Jan 2006

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2023 OA procedure

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10.1016/j.jpcs.2005.10.013

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title = "Charge transport in normal metal-magnesiumdiboride junctions",

abstract = "The influence of the multiband nature of superconductivity in MgB 2 on the charge transport properties of MgB2 tunnel junctions and normal metal-MgB2 heterostructures has been theoretically modeled and experimentally explored. The conductance as function of barrier height and angle is calculated. Planar c-axis tunnel junctions are realized in which two gaps are resolved in the tunnel spectrum. For junctions with additional conductance in the direction of the crystallographic a-b plane we observe a sharp resonance that can possibly be attributed to a Leggett mode.",

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author = "A. Brinkman and {van der Ploeg}, S.H.W. and A.A. Golubov and H. Rogalla and T.H. Kim and J.S. Moodera",

note = "Funding Information: We gratefully acknowledge useful discussions with O.V. Dolgov, H. Hilgenkamp, M.Yu. Kupriyanov, D. van der Marel, and I. Mazin. This work is supported by the Netherlands Organization for Scientific Research (NWO) and the Dutch Foundation for Research on Maffer (FOM).",

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doi = "10.1016/j.jpcs.2005.10.013",

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AU - Brinkman, A.

AU - van der Ploeg, S.H.W.

AU - Golubov, A.A.

AU - Rogalla, H.

AU - Kim, T.H.

AU - Moodera, J.S.

N1 - Funding Information: We gratefully acknowledge useful discussions with O.V. Dolgov, H. Hilgenkamp, M.Yu. Kupriyanov, D. van der Marel, and I. Mazin. This work is supported by the Netherlands Organization for Scientific Research (NWO) and the Dutch Foundation for Research on Maffer (FOM).

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N2 - The influence of the multiband nature of superconductivity in MgB 2 on the charge transport properties of MgB2 tunnel junctions and normal metal-MgB2 heterostructures has been theoretically modeled and experimentally explored. The conductance as function of barrier height and angle is calculated. Planar c-axis tunnel junctions are realized in which two gaps are resolved in the tunnel spectrum. For junctions with additional conductance in the direction of the crystallographic a-b plane we observe a sharp resonance that can possibly be attributed to a Leggett mode.

AB - The influence of the multiband nature of superconductivity in MgB 2 on the charge transport properties of MgB2 tunnel junctions and normal metal-MgB2 heterostructures has been theoretically modeled and experimentally explored. The conductance as function of barrier height and angle is calculated. Planar c-axis tunnel junctions are realized in which two gaps are resolved in the tunnel spectrum. For junctions with additional conductance in the direction of the crystallographic a-b plane we observe a sharp resonance that can possibly be attributed to a Leggett mode.

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DO - 10.1016/j.jpcs.2005.10.013

M3 - Article

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EP - 411

JO - Journal of physics and chemistry of solids

JF - Journal of physics and chemistry of solids

IS - 1-3

ER -

Charge transport in normal metal-magnesiumdiboride junctions

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