Journal article
STM tunnelling spectroscopy in MgB2 thin films: the role of band structure in tunnelling spectra
Superconductor science & technology, v 17(5), pp S106-S111
01 May 2004
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Abstract
A very peculiar feature of the recently discovered superconductor MgB2 is the multigap nature of the superconducting state, which is now commonly accepted in the scientific community and confirmed by a large number of experiments. We report a systematic scanning tunnelling spectroscopy (STS) study performed on high quality thin films of MgB2. Electron microscopy images and STM topography together with the STS investigation allow a direct correlation between tunnelling direction and the observed tunnelling spectra, confirming that the two-gap state is intrinsic to MgB2.
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Details
- Title
- STM tunnelling spectroscopy in MgB2 thin films: the role of band structure in tunnelling spectra
- Creators
- M Iavarone - Argonne National LaboratoryG Karapetrov - Argonne National LaboratoryA E Koshelev - Argonne National LaboratoryW K Kwok - Argonne National LaboratoryG W Crabtree - Argonne National LaboratoryW N Kang - Pohang University of Science and TechnologyE M Choi - Pohang University of Science and TechnologyH J Kim - Pohang University of Science and TechnologyS I Lee - Pohang University of Science and Technology
- Publication Details
- Superconductor science & technology, v 17(5), pp S106-S111
- Publisher
- Iop Publishing Ltd
- Number of pages
- 6
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000221792700004
- Scopus ID
- 2-s2.0-2542440770
- Other Identifier
- 991019295307404721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Physics, Applied
- Physics, Condensed Matter