Sputtered Mo66Re34 SQUID-on-Tip for High-Field Magnetic and Thermal Nanoimaging

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Sputtered Mo66Re34 SQUID-on-Tip for High-Field Magnetic and Thermal Nanoimaging. / Bagani, Kousik; Sarkar, Jayanta; Uri, Aviram; Rappaport, Michael L.; Huber, Martin E.; Zeldov, Eli; Myasoedov, Yuri.

In: Physical Review Applied, Vol. 12, No. 4, 044062, 28.10.2019.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Bagani, K, Sarkar, J, Uri, A, Rappaport, ML, Huber, ME, Zeldov, E & Myasoedov, Y 2019, 'Sputtered Mo66Re34 SQUID-on-Tip for High-Field Magnetic and Thermal Nanoimaging', Physical Review Applied, vol. 12, no. 4, 044062. https://doi.org/10.1103/PhysRevApplied.12.044062

APA

Bagani, K., Sarkar, J., Uri, A., Rappaport, M. L., Huber, M. E., Zeldov, E., & Myasoedov, Y. (2019). Sputtered Mo66Re34 SQUID-on-Tip for High-Field Magnetic and Thermal Nanoimaging. Physical Review Applied, 12(4), [044062]. https://doi.org/10.1103/PhysRevApplied.12.044062

Vancouver

Author

Bagani, Kousik ; Sarkar, Jayanta ; Uri, Aviram ; Rappaport, Michael L. ; Huber, Martin E. ; Zeldov, Eli ; Myasoedov, Yuri. / Sputtered Mo66Re34 SQUID-on-Tip for High-Field Magnetic and Thermal Nanoimaging. In: Physical Review Applied. 2019 ; Vol. 12, No. 4.

Bibtex - Download

@article{a31e657362774da3bf6a2297f2683577,
title = "Sputtered Mo66Re34 SQUID-on-Tip for High-Field Magnetic and Thermal Nanoimaging",
abstract = "Scanning nanoscale superconducting quantum interference devices (SQUIDs) are gaining interest as highly sensitive microscopic magnetic and thermal characterization tools of quantum and topological states of matter and devices. We introduce a technique of collimated differential-pressure magnetron sputtering for versatile self-aligned fabrication of SQUID-on-tip (SOT) nanodevices, which cannot be produced by conventional sputtering methods due to their diffusive, rather than the required directional point source, deposition. The technique provides access to a broad range of superconducting materials and alloys beyond the elemental superconductors employed in the existing thermal deposition methods, opening the route to greatly enhanced SOT characteristics and functionalities. Utilizing this method, we have developed molybdenum-rhenium (Mo66Re34) SOT devices with sub-50-nm diameter, magnetic flux sensitivity of 1.2 μφ0/Hz1/2 up to 3 T at 4.2 K, and thermal sensitivity better than 4 μK/Hz1/2 up to 5 T-about five times higher than any previous report-paving the way to nanoscale imaging of magnetic and spintronic phenomena and of dissipation mechanisms in previously inaccessible quantum states of matter.",
author = "Kousik Bagani and Jayanta Sarkar and Aviram Uri and Rappaport, {Michael L.} and Huber, {Martin E.} and Eli Zeldov and Yuri Myasoedov",
year = "2019",
month = "10",
day = "28",
doi = "10.1103/PhysRevApplied.12.044062",
language = "English",
volume = "12",
journal = "Physical Review Applied",
issn = "2331-7019",
publisher = "American Physical Society",
number = "4",

}

RIS - Download

TY - JOUR

T1 - Sputtered Mo66Re34 SQUID-on-Tip for High-Field Magnetic and Thermal Nanoimaging

AU - Bagani, Kousik

AU - Sarkar, Jayanta

AU - Uri, Aviram

AU - Rappaport, Michael L.

AU - Huber, Martin E.

AU - Zeldov, Eli

AU - Myasoedov, Yuri

PY - 2019/10/28

Y1 - 2019/10/28

N2 - Scanning nanoscale superconducting quantum interference devices (SQUIDs) are gaining interest as highly sensitive microscopic magnetic and thermal characterization tools of quantum and topological states of matter and devices. We introduce a technique of collimated differential-pressure magnetron sputtering for versatile self-aligned fabrication of SQUID-on-tip (SOT) nanodevices, which cannot be produced by conventional sputtering methods due to their diffusive, rather than the required directional point source, deposition. The technique provides access to a broad range of superconducting materials and alloys beyond the elemental superconductors employed in the existing thermal deposition methods, opening the route to greatly enhanced SOT characteristics and functionalities. Utilizing this method, we have developed molybdenum-rhenium (Mo66Re34) SOT devices with sub-50-nm diameter, magnetic flux sensitivity of 1.2 μφ0/Hz1/2 up to 3 T at 4.2 K, and thermal sensitivity better than 4 μK/Hz1/2 up to 5 T-about five times higher than any previous report-paving the way to nanoscale imaging of magnetic and spintronic phenomena and of dissipation mechanisms in previously inaccessible quantum states of matter.

AB - Scanning nanoscale superconducting quantum interference devices (SQUIDs) are gaining interest as highly sensitive microscopic magnetic and thermal characterization tools of quantum and topological states of matter and devices. We introduce a technique of collimated differential-pressure magnetron sputtering for versatile self-aligned fabrication of SQUID-on-tip (SOT) nanodevices, which cannot be produced by conventional sputtering methods due to their diffusive, rather than the required directional point source, deposition. The technique provides access to a broad range of superconducting materials and alloys beyond the elemental superconductors employed in the existing thermal deposition methods, opening the route to greatly enhanced SOT characteristics and functionalities. Utilizing this method, we have developed molybdenum-rhenium (Mo66Re34) SOT devices with sub-50-nm diameter, magnetic flux sensitivity of 1.2 μφ0/Hz1/2 up to 3 T at 4.2 K, and thermal sensitivity better than 4 μK/Hz1/2 up to 5 T-about five times higher than any previous report-paving the way to nanoscale imaging of magnetic and spintronic phenomena and of dissipation mechanisms in previously inaccessible quantum states of matter.

UR - http://www.scopus.com/inward/record.url?scp=85074410822&partnerID=8YFLogxK

U2 - 10.1103/PhysRevApplied.12.044062

DO - 10.1103/PhysRevApplied.12.044062

M3 - Article

VL - 12

JO - Physical Review Applied

JF - Physical Review Applied

SN - 2331-7019

IS - 4

M1 - 044062

ER -

ID: 38579150