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Creators/Authors contains: "Cho, Ethan"

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  1. ; ; ; (, IEEE Transactions on Applied Superconductivity)
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  2. ; ; ; (, IEEE Transactions on Applied Superconductivity)
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  3. ; ; ; (, IEEE Transactions on Applied Superconductivity)
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  4. ; ; ; ; (, IEEE Transactions on Applied Superconductivity)
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  5. ; ; ; ; (, AIP Advances)
    We investigated series arrays of closely spaced, planar long Josephson junctions for magnetic field transduction in Earth’s field, with a linear response and high dynamic range. The devices were fabricated from thin film high-temperature superconductor YBa2Cu3O7−δ (YBCO) thin films, using focused helium ion beam irradiation to create the Josephson barriers. Four series arrays, each consisting of several hundreds of long junctions, were fabricated and electrically tested. From fits of the current-voltage characteristics, we estimate the standard deviation in critical current to be around 25%. Voltage-magnetic field measurements exhibit a transfer function of 42 mV/mT and a linear response over a range of 303 μT at 71 K, resulting in a dynamic range of 124 dB. 
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  6. ; ; ; ; ; (, IEEE Transactions on Applied Superconductivity)
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  7. ; ; ; ; ; (, IEEE Transactions on Applied Superconductivity)
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  8. ; ; ; ; ; ; ; ; (, IEEE Transactions on Applied Superconductivity)
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  9. ; ; ; (, Applied Physics Letters)