Searching For 2d Superconductivity In La2−xsrxcuo4 Single Crystals

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    Searching for 2D Superconductivity in La2−xSrxCuO4 Single Crystals
    By: Itzik Kapon
    Publisher:
    Springer
    Print ISBN: 9783030230609, 3030230600
    eText ISBN: 9783030230616, 3030230619
    Copyright year: 2019
    Format: EPUB
    Available from $ 149.00 USD
    SKU 9783030230616
    A new experimental method – the Stiffnessometer, is developed to measure elementary properties of a superconductor, including the superconducting stiffness and the critical current. This technique has many advantages over existing methods, such as: the ability to measure these properties while minimally disturbing the system; the ability to measure large penetration depths (comparable to sample size), as necessary when approaching the critical temperature; and the ability to measure critical currents without attaching contacts and heating the sample. The power of this method is demonstrated in a study of the penetration depth of LSCO, where striking evidence is found for two separate critical temperatures for the in-plane and out-of-plane directions. The results in the thesis are novel, important and currently have no theoretical explanation. The stiffnessometer in a tool with great potential to explore new grounds in condensed matter physics.
     

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