Visualization by scanning SQUID microscopy of the intermediate state in the superconducting Dirac semimetal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>PdTe</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>
نویسندگان
چکیده
The Dirac semimetal ${\mathrm{PdTe}}_{2}$ becomes superconducting at a temperature ${T}_{c}=1.6$ K. Thermodynamic and muon spin rotation experiments support type-I superconductivity, which is unusual for binary compound. A key property of superconductor the intermediate state, presents coexistence normal domains magnetic fields lower than thermodynamic critical field ${H}_{c}$. We present scanning SQUID microscopy studies revealing coexisting tubular laminar shape as more increased, thus confirming superconductivity in ${\mathrm{PdTe}}_{2}$. Values domain wall width state have been derived. amplitudes measured surface indicate bending walls separating domains.
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ژورنال
عنوان ژورنال: Physical review
سال: 2021
ISSN: ['0556-2813', '1538-4497', '1089-490X']
DOI: https://doi.org/10.1103/physrevb.103.104510