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Title: Characterization of the Superconducting Microwave Properties of Aluminum Manganese

Journal Article · · Journal of Low Temperature Physics
ORCiD logo [1];  [1];  [2];  [1];  [2];  [3];  [1];  [1];  [1];  [1]
  1. Argonne National Laboratory (ANL), Argonne, IL (United States)
  2. Argonne National Laboratory (ANL), Argonne, IL (United States); Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics (KICP)
  3. Argonne National Laboratory (ANL), Argonne, IL (United States); Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics (KICP); Vanderbilt Univ., Nashville, TN (United States)
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A microwave kinetic inductance detector (MKID) is a superconducting pair breaking detector that offers a number of unique advantages for realizing large-format arrays of ultra-sensitive detectors, such as inherent multiplexibility and relative ease of fabrication. With the detection threshold being set by the Cooper pair binding energy, and correspondingly, the superconducting critical temperature (Tc), typically well-understood MKID materials such as aluminum (Al) present a lower limit on the operating frequency. Aluminum manganese (Al-Mn) is a promising candidate material for MKIDs because it can be fabricated with nearly identical processing as pure Al, but allows for control of the Tc, with varying levels of Mn doping or post-deposition heat treatment. In this study, we present initial results from an early characterization of AlMn using a series of lumped-element superconducting microwave resonators, including measurements of Tc, internal quality factor, and noise performance over a range of Mn doping.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF); USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1923087
Journal Information:
Journal of Low Temperature Physics, Journal Name: Journal of Low Temperature Physics Journal Issue: 5-6 Vol. 209; ISSN 0022-2291
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

References (12)

AlMn Transition Edge Sensors for Advanced ACTPol journal February 2016
Performance of Al–Mn Transition-Edge Sensor Bolometers in SPT-3G journal November 2019
Developing AlMn Films for Argonne TES Fabrication journal December 2019
Realization of Precise Tuning the Superconducting Properties of Mn-Doped Al Films for Transition Edge Sensors journal September 2020
Dilute Al-Mn Alloys for Low-Temperature Device Applications journal February 2004
A broadband superconducting detector suitable for use in large arrays journal October 2003
Superconducting transition edge sensor using dilute AlMn alloys journal September 2004
Quasiparticle density of states measurements in clean superconducting AlMn alloys journal May 2010
High quality factor manganese-doped aluminum lumped-element kinetic inductance detectors sensitive to frequencies below 100 GHz journal May 2017
Effect of Transition-Metal Impurities on the Critical Temperature of Superconducting Al, Zn, In, and Sn journal August 1966
Magnetic Susceptibility of Dilute Al-Mn Alloys journal September 1970
Al-Mn Transition Edge Sensors for Cosmic Microwave Background Polarimeters journal June 2011

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Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
Al-Mn
MKID
Quality factor