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Performance of Magnetic Penetration Thermometers for X-Ray AstronomyThe ideal X-ray camera for astrophysics would have more than a million pixels and provide an energy resolution of better than leV FWHM for energies up to 10 keY. We have microfabricated and characterized thin-film magnetic penetration thermometers (MPTs) that show great promise towards meeting these capabilities. MPTs operate in similar fashion to metallic magnetic calorimeters (MMCs), except that a superconducting sensor takes the place of a paramagnetic sensor and it is the temperature dependence of the superconductor's diamagnetic response that provides the temperature sensitivity. We present a description of the design and performance of our prototype thin-film MPTs with MoAu bilayer sensors, which have demonstrated an energy resolution of approx 2 eV FWHM at 1.5 keY and 4.3 eV FWHM at 5.9 keY.
Document ID
20120014335
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Nagler, P. C.
(Brown Univ. Providence, RI, United States)
Adams, J. S.
(Maryland Univ. Baltimore County Baltimore, MD, United States)
Balvin, M. A.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Bandler, S. R.
(Maryland Univ. College Park, MD, United States)
Denis, K. L.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hsieh, W. T.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Kelly, D. P.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Porst, J. P.
(Brown Univ. Providence, RI, United States)
Sadleir, J. E.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Seidel, G. M.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Smith, S. J.
(Maryland Univ. Baltimore County Baltimore, MD, United States)
Stevenson, T. R.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 26, 2013
Publication Date
February 3, 2012
Publication Information
Publication: Journal of Low Temperature Physics
Publisher: Springer-Verlag G.m.b.H. and Co. K.G.
Volume: 167
Issue: 4-Mar
Subject Category
Instrumentation And Photography
Report/Patent Number
GSFC.JA.6917.2012
Funding Number(s)
CONTRACT_GRANT: NNH06CC03B
Distribution Limits
Public
Copyright
Other

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