Nuclear Magnetic Resonance Studies of High Temperature Superconductors in High Magnetic Fields

Nuclear Magnetic Resonance Studies of High Temperature Superconductors in High Magnetic Fields PDF Author: Henry Nathaniel Bachman
Publisher:
ISBN:
Category :
Languages : en
Pages :

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This dissertation reports on nuclear magnetic resonance (NMR) experiments of high temperature superconductors (HTS) in the presence of high magnetic fields ranging from 2.1 T up to 27.3 T.

Nuclear Magnetic Resonance Studies of High Temperature Superconductors in High Magnetic Fields

Nuclear Magnetic Resonance Studies of High Temperature Superconductors in High Magnetic Fields PDF Author: Henry Nathaniel Bachman
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description
This dissertation reports on nuclear magnetic resonance (NMR) experiments of high temperature superconductors (HTS) in the presence of high magnetic fields ranging from 2.1 T up to 27.3 T.

Nuclear Magnetic Resonance Studies of the High Temperature Superconductors in the Normal and Superconducting States

Nuclear Magnetic Resonance Studies of the High Temperature Superconductors in the Normal and Superconducting States PDF Author: Nicholas James Curro
Publisher:
ISBN:
Category :
Languages : en
Pages : 418

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Nuclear Magnetic Resonance Studies of High Temperature Superconductors

Nuclear Magnetic Resonance Studies of High Temperature Superconductors PDF Author: Krzysztof R. Górny
Publisher:
ISBN:
Category :
Languages : en
Pages : 450

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Oxygen-17 Nuclear Magnetic Resonance Studies of High Temperature Superconductors

Oxygen-17 Nuclear Magnetic Resonance Studies of High Temperature Superconductors PDF Author: Christopher Nicholas Coretsopoulos
Publisher:
ISBN:
Category :
Languages : en
Pages : 250

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This study presents $\sp{17}$O NMR spectra of randomly and magnetically oriented samples of various high-$T\sb{c}$ superconductors. Systems under investigation include: (BaK)BiO$\sb3$, La$\sb{1.85}$Sr$\sb{0.15}$CuO$\sb4$, YBa$\sb2$Cu$\sb3$O$\sb{\rm 7-x}$, Bi$\sb2$Sr$\sb2$CaCu$\sb2$O$\sb8$ and Tl$\sb2$Ba$\sb2$CaCu$\sb2$O$\sb8$. Measurements of the angular dependence of the oxygen frequency shifts and corresponding satellite transitions have enabled us to assign the oxygen sites of magnetically oriented YBa$\sb2$Cu$\sb3$O$\sb{\rm 7-x}$, as well as determine the e.f.g. parameters for various sites. The temperature and angular dependence of the oxygen frequency shifts and relaxation rates have been studied as well as the effect of the oxygen stoichiometry and rare earth substitutions. Finally, we have compared the $\sp{17}$O frequency shifts of YBa$\sb2$Cu$\sb3$O$\sb{\rm 7-x}$ to those of the precursor oxides, and other high-$T\sb{c}$ compounds, and have consistently observed a paramagnetically shifted feature associated with the CuO$\sb2$ planes ($\sim$2000 ppm from H$\sb2$O) and a second feature or set of features in the diamagnetic region (typically at $\sim$400 ppm from H$\sb2$O) which are attributed to sites other than the CuO$\sb2$ planes. Precursor effects in the normal phase of YBa$\sb2$Cu$\sb3$O$\sb{\rm 7-x}$ are investigated, pointing strongly to antiferromagnetic fluctuations which may persist in the superconductive phase.

Selected Topics On Superconductivity

Selected Topics On Superconductivity PDF Author: L C Gupta
Publisher: World Scientific
ISBN: 9814505129
Category : Science
Languages : en
Pages : 684

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Contents:The First Five Years of High-Tc Superconductivity (K A Müller)Different Factors which Govern the Optimisation of High-Tc Superconductive Cuprates Involving Bi-, Tl or Pb (B Raveau, M Hervieu, C Michel, J Provost, A Maignan, C Simon & D Groult)Superconductivity in Cuprates and Other Oxides (H R Ott)Organic Superconductors with Tc Higher than 10K (T Ishiguro & Y Nogami)Fundamentals of RVB Theory and Some Applications to High Temperature Superconductors (G Baskaran)Anyons and Superconductivity (S Das Sarma)Mott Transition in the Hubbard Model (B S Shastry)Superconducting Pairing in Layered Superconductors (S S Jha)Breaking the Log-Jam in Many-Body Physics: Fermi Surfaces Without Fermi Liquids (P W Anderson)Superconductivity in High Magnetic Fields from a Microscopic Theory (A K Rajagopal)Nonequilibrium Superconductivity (R Tidecks)Neutron Scattering Study of the High-Tc Superconducting System YBa2Cu3O6+x (J Rossat-Mignod et al.)Crystal-Field Excitations in High-Tc Superconducting Materials (A Furrer)Superconducting Granular Films (S-I Kobayashi)Transport Properties in the Mixed State of High Temperature Superconductors (A Freimuth)Physics of Josephson Effect and Recent Advances (A Barone & S Pagano)Tunneling Spectroscopy of Copper Oxide Superconductors (T Ekino & J Akimitsu)Superconductivity and Magnetism in Heavy-Fermion Compounds (F Steglich, U Ahlheim, C D Bredl, C Geibel, M Lang, A Loidl & G Sparn)Nuclear Magnetic Resonance Studies in Highly Correlated Systems: Heavy Fermion and High-Tc Superconductors (K Asayama)Pulsed Laser and Cylindrical Magnetron Sputter Deposition of Epitaxial Metal Oxide Thin Films (T Venkatesan et al.) Readership: Physicists, chemists and engineers. keywords:

Magnetism and Superconductivity in Iron-based Superconductors as Probed by Nuclear Magnetic Resonance

Magnetism and Superconductivity in Iron-based Superconductors as Probed by Nuclear Magnetic Resonance PDF Author: Franziska Hammerath
Publisher: Springer Science & Business Media
ISBN: 3834824232
Category : Science
Languages : en
Pages : 183

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Book Description
Nuclear Magnetic Resonance (NMR) has been a fundamental player in the studies of superconducting materials for many decades. This local probe technique allows for the study of the static electronic properties as well as of the low energy excitations of the electrons in the normal and the superconducting state. On that account it has also been widely applied to Fe-based superconductors from the very beginning of their discovery in February 2008. This dissertation comprises some of these very first NMR results, reflecting the unconventional nature of superconductivity and its strong link to magnetism in the investigated compounds LaO1–xFxFeAs and LiFeAs.

Nuclear Magnetic Resonance Studies of the Effect of Vortices on the High Temperature Superconductor YBa2̳Cu3̳O7̳

Nuclear Magnetic Resonance Studies of the Effect of Vortices on the High Temperature Superconductor YBa2̳Cu3̳O7̳ PDF Author: Craig Thomas Milling
Publisher:
ISBN:
Category :
Languages : en
Pages : 214

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Case Studies in Superconducting Magnets

Case Studies in Superconducting Magnets PDF Author: Yukikazu Iwasa
Publisher: Springer Science & Business Media
ISBN: 0387098003
Category : Technology & Engineering
Languages : en
Pages : 717

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Book Description
The 2nd edition emphasizes two areas not emphasized in the 1st edition: 1) high-temperature superconductor (HTS) magnets; 2) NMR (nuclear magnetic resonance) and MRI (magnetic resonance imaging) magnets. Despite nearly 40 years of R and D on superconducting magnet technology, most areas, notably fusion and electric power applications, are still in the R and D stage. One exception is in the area of NMR and MRI. NMR magnets are very popular among chemists, biologists, genome scientists, and most of all, by drug manufacturers for drug discovery and development. MRI and NMR magnets have become the most successful application of superconducting magnet technology and this trend should continue. The 2nd edition will have new materials never treated formally in any other book of this kind. As with the 1st, most subjects will be presented through problem format to educate and train the designer.

Nuclear Magnetic Resonance Studies of Vortex Dynamics in High Temperature Superconductors

Nuclear Magnetic Resonance Studies of Vortex Dynamics in High Temperature Superconductors PDF Author: Charles H. Recchia
Publisher:
ISBN:
Category :
Languages : en
Pages : 242

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Nuclear Magnetic Resonance and High Temperature Superconductivity in Y[subscript 1-x]Pr[subscript X]Ba2Cu3O--

Nuclear Magnetic Resonance and High Temperature Superconductivity in Y[subscript 1-x]Pr[subscript X]Ba2Cu3O-- PDF Author: Arneil Payongayong Reyes
Publisher:
ISBN:
Category : High temperature superconductivity
Languages : en
Pages : 276

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