Magnetotransport properties of CrO<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si6.svg" display="inline" id="d1e404"><mml:msub><mml:mrow/><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:math> nanowires fabricated by selective area growth

Prateek, Kumar; Bolhuis, Maarten; Hamida, A. Ben; Scholma, Douwe; Conesa‐Boj, Sonia; Aarts, J.

doi:10.1016/j.jpcs.2023.111350

Journal of Physics and Chemistry of Solids

2023

DOI: 10.1016/j.jpcs.2023.111350

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Magnetotransport properties of CrO2 nanowires fabricated by selective area growth

Kumar Prateek

Maarten Bolhuis

A. Ben Hamida

et al.

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2024

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Fabrication and properties of lateral Josephson junctions with a RuO₂ weak link

Prateek,

Mechielsen,

Hamida

et al. 2024

Supercond. Sci. Technol.

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Ruthenium dioxide (RuO2) is a metallic rutile oxide with a number of interesting properties. For a long time, it was considered to be a highly conductive normal metal and a Pauli paramagnet. Recently, it was found that the material is antiferromagnetic, with small magnetic moments of the order of 0.05 Bohr magneton and an ordering temperature above 300 K. The presence of magnetic moments should have clear consequences when trying to induce superconductivity in RuO2. We used a selective area chemical vapor deposition method to grow nanowires of RuO2 on TiO2 substrates. On these wires, superconducting contacts were made of MoGe, and a weak link was fabricated with a Focused Ion Beam. We find that the device behaves as a Josephson junction, including a Fraunhofer-like response to a magnetic field, for distances between the contacts below 70 nm. We estimate the induced singlet coherence length ξ to be about 12 nm, which seems a reasonable number when small magnetic moments are present.

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Fabrication and properties of lateral Josephson junctions with a RuO₂ weak link

Prateek,

Mechielsen,

Hamida

et al. 2024

Supercond. Sci. Technol.

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Magnetotransport properties of CrO2 nanowires fabricated by selective area growth

Cited by 1 publication

References 29 publications

Fabrication and properties of lateral Josephson junctions with a RuO₂ weak link

Fabrication and properties of lateral Josephson junctions with a RuO₂ weak link

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Magnetotransport properties of CrO2 nanowires fabricated by selective area growth

Cited by 1 publication

References 29 publications

Fabrication and properties of lateral Josephson junctions with a RuO2 weak link

Fabrication and properties of lateral Josephson junctions with a RuO2 weak link

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Fabrication and properties of lateral Josephson junctions with a RuO₂ weak link

Fabrication and properties of lateral Josephson junctions with a RuO₂ weak link