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Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Electronic devices & materials > Semi-conductors & super-conductors

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Charge Dynamics in 122 Iron-Based Superconductors (Paperback, Softcover reprint of the original 1st ed. 2014) Loot Price: R3,298
Discovery Miles 32 980
Charge Dynamics in 122 Iron-Based Superconductors (Paperback, Softcover reprint of the original 1st ed. 2014): Aliaksei...

Charge Dynamics in 122 Iron-Based Superconductors (Paperback, Softcover reprint of the original 1st ed. 2014)

Aliaksei Charnukha

Series: Springer Theses

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Loot Price R3,298 Discovery Miles 32 980 | Repayment Terms: R309 pm x 12*

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This thesis combines highly accurate optical spectroscopy data on the recently discovered iron-based high-temperature superconductors with an incisive theoretical analysis. Three outstanding results are reported: (1) The superconductivity-induced modification of the far-infrared conductivity of an iron arsenide with minimal chemical disorder is quantitatively described by means of a strong-coupling theory for spin fluctuation mediated Cooper pairing. The formalism developed in this thesis also describes prior spectroscopic data on more disordered compounds. (2) The same materials exhibit a sharp superconductivity-induced anomaly for photon energies around 2.5 eV, two orders of magnitude larger than the superconducting energy gap. The author provides a qualitative interpretation of this unprecedented observation, which is based on the multiband nature of the superconducting state. (3) The thesis also develops a comprehensive description of a superconducting, yet optically transparent iron chalcogenide compound. The author shows that this highly unusual behavior can be explained as a result of the nanoscopic coexistence of insulating and superconducting phases, and he uses a combination of two complementary experimental methods - scanning near-field optical microscopy and low-energy muon spin rotation - to directly image the phase coexistence and quantitatively determine the phase composition. These data have important implications for the interpretation of data from other experimental probes.

General

Imprint: Springer International Publishing AG
Country of origin: Switzerland
Series: Springer Theses
Release date: August 2016
First published: 2014
Authors: Aliaksei Charnukha
Dimensions: 235 x 155 x 8mm (L x W x T)
Format: Paperback
Pages: 130
Edition: Softcover reprint of the original 1st ed. 2014
ISBN-13: 978-3-319-37752-0
Categories: Books > Professional & Technical > Technology: general issues > Nanotechnology
Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Electronic devices & materials > Semi-conductors & super-conductors
Books > Science & Mathematics > Chemistry > Analytical chemistry > Qualitative analytical chemistry > Chemical spectroscopy, spectrochemistry > General
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LSN: 3-319-37752-3
Barcode: 9783319377520

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