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Article
Self-propagating, high-temperature combustion synthesis of rhombohedral AlPt thin films
Sputter-deposited, Al/Pt multilayer thin films of various designs exhibited rapid, self-propagating, high-temperature reactions. With reactant layers maintained at ∼21 °C prior to ignition and films adhered to...
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Article
Tl-Based Films: A Comparison of Processing Procedures
The structural, electrical and magnetic properties are compared for three superconducting Tl-Ca-Ba-Cu-O thin films prepared by different deposition and sintering protocols. One film containing a mixture of Tl2Ca2
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Chapter and Conference Paper
The Superconducting Flux Flow Transistor: Models and Applications
The superconducting flux flow transistor (SFFT) is a single film, active device generally made from high temperature superconducting (HTS) materials. The device is based on the magnetic control of flux motion,...
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Chapter and Conference Paper
Novel Applications of Tl-Ca-Ba-Cu-O Thin Films to Active and Passive High Frequency Devices
We will present our recent work on the applications of high temperature superconducting thin films to the development of new passive and active circuitry operating up to 40 GHz. We will discuss thin film depos...
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Chapter
Flux Motion Effects in Tl-Ca-Ba-Cu-O Thin Films
Flux motion effects, flow and creep, have been identified as one of the major problem areas in high temperature superconductors. In this paper, we examine these effects in polycrystalline thin films of the Tl-...
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Article
Cation Disordering in the Tl-2122 Superconductors
We have examined several crystals belonging to the Tl-2122 structure type (Tl2CaBa2Cu2O8 with c=29Å), and have shown that cation solid solution occurs. Such cation disorder appears to be responsible for the obser...
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Article
Superconductivity and Stoichiometry in Tl2Ca2Ba2Cu3Ox Single Crystals
Magnetization and resistivity data are presented which show a substantial difference in superconducting transitions for nominal Tl2Ca2Ba2Cu3Ox plates with identical crystal structures grown from two different “me...