NDLI: Specific Heats of Composite Bi2212, <formula formulatype=inline><tex Notation=TeX>$hbox{Nb}_{3} hbox{Sn}$</tex></formula>, and <formula formulatype=inline><tex Notation=TeX>$hbox{MgB}

Content Provider	IEEE Xplore Digital Library
Author	Myers, C.S. Susner, M.A. Motowidlo, L. Distin, J. Sumption, M.D. Collings, E.W.
Copyright Year	2002
Abstract	In this work, pulse calorimetry was used to measure the specihc heats of four superconducting materials at temperatures from 0 to 300 K and in magnetic helds from 0 to 14 T. Specihc heat measurements were performed on Bi2212 round wire samples with a two-dimensional random oriented single stack design, made by Supramagnetics Inc., and a conventional design made by Oxford Superconductor. Specihc heat measurements were also performed on a copper-stabilized MgB2 wire sample and a rod-in-tube type Nb3Sn wire sample made by Hyper Tech Research, which were subject to their appropriate heat treatments. All wire sample lengths were ~3 mm. The specihc heats of the Bi2212 samples were relatively independent of applied held; the zero held specihc heat of the two-dimensional random oriented single stack sample increased from 0.155 mJ/g-K at 4 K to 254 mJ/g-K at 250 K. At 2 K, the specific heat of the Nb₃Sn rod-in-tube strand increased from 0.0257 mJ/g-K at 0 T to 0.0716 mJ/g-K at 14 T. In zero held the specihc heat of the MgB₂ sample increased from 0.623 mJ/g-K at 4 K to 382 mJ/g-K at 250 K.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	8800204
Ending Page	8800204
Page Count	1
File Size	728290
File Format	PDF
ISSN	10518223
Volume Number	23
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heating Niobium-tin Superconducting magnets Wires Magnetic field measurement Magnetic fields Temperature measurement superconducting filaments and wires Bi2212 high-temperature superconductors specific heat capacity
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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