Titlebook: High Temperature Superconductivity; The Road to Higher C Shin-ichi Uchida Book 2015 Springer Japan 2015 Copper Oxide Superconductors.Cuprat

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Introduction, found to show superconductivity at temperatures higher than 23 K, the record high-.. value before 1986. Six of them have ..’s not reaching 40 K, but the copper oxides and the iron compounds are distinct from others in their outstandingly high .. values, 135 K and 55 K, respectively and unconvention

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,Overview of Superconducting Materials with ,, Higher than 23 K,to be conventional superconductors with phonon-mediated pairing. .. = 39 K for a simple metal MgB. is surprising in view of the old-known ceiling of 30 K of the electron-phonon mechanism. Several circumstances in MgB. appear to optimize the phonon-mediated pairing and to up-shift the old ceiling of

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Iron-Based Superconductors,gnetic element Fe, and except for the layer structure the characteristic electronic parameters are largely different from those in the cuprates. The discovery of this family, therefore, evidences that there are more than one route to finding high-.. materials with .. higher than 50 K. The parent com

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Shin-ichi Uchidaegies.Useful reference to researchers and graduate students Using the quantum properties of single photons to exchange binary keys between two partners for subsequent encryption of secret data is an absolutely novel te- nology. Only a few years ago quantum cryptography – or better Quantum Key Distri

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