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Neutron Scattering Studies Of Magnetic Correlations In Reentrant Spin Glasses Eusubscript Xsr
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Book Synopsis Neutron Scattering Studies of Magnetic Correlations in Reentrant Spin Glasses. [Eu(subscript X)Sr by :
Download or read book Neutron Scattering Studies of Magnetic Correlations in Reentrant Spin Glasses. [Eu(subscript X)Sr written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We review neutron scattering measurements performed on two disparate reentrant spin glass systems: the magnetic insulator Eu(subscript x)Sr/sub 1-x/S and the metallic alloy Fe/sub 1-x/Al(subscript x). We show that the magnetic behavior in the two is very similar and can be explained in terms of random field effects which arise when ferromagnetic and spin glass order parameters are coupled together.
Book Synopsis Neutron Scattering Studies of Magnetic Correlations in Reentrant Spin Glasses by :
Download or read book Neutron Scattering Studies of Magnetic Correlations in Reentrant Spin Glasses written by and published by . This book was released on 1985 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Scattering Studies of Magnetic Correlations in the Layered Cuprates by :
Download or read book Neutron Scattering Studies of Magnetic Correlations in the Layered Cuprates written by and published by . This book was released on 1989 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetic Correlations in High T by :
Download or read book Magnetic Correlations in High T written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A review is given of current neutron scattering experiments on La2minus/x/Sr(subscript x)CuO4 and Nd2minus/x/Ce(subscript x)CuO4. Incommensurate magnetic excitations are observed in a high quality single crystal of La/sub 1.85/Sr/sub 0.15/CuO4, which exhibits a sharp superconducting transition at 33 K. The study of magnetic correlations in the electron-superconductor Nd2minus/x/Ce(subscript x)CuO4 is now being carried out. 18 refs., 7 figs.
Book Synopsis Neutron Scattering Studies of Magnetic Correlations in the Layered Cuprates by :
Download or read book Neutron Scattering Studies of Magnetic Correlations in the Layered Cuprates written by and published by . This book was released on 1989 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: All of the copper oxide superconductors contain CuO2 layers which, when insulating, exhibit strong, two-dimensional (2D) antiferromagnetic correlations due to the unusually large superexchange interaction between nearest-neighbor Cu{sup 2+} atoms. Magnetic correlations survive, although with a reduced correlation length, even when the layers are doped with holes. A short review of neutron scattering studies of magnetic correlations and excitations in the layered cuprates is presented. 19 refs., 6 figs.
Book Synopsis Small Angle Neutron Scattering Studies on Fe. 715 Al. 285 Reentrant Spin Glass by : J. Suzuki
Download or read book Small Angle Neutron Scattering Studies on Fe. 715 Al. 285 Reentrant Spin Glass written by J. Suzuki and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis X-ray and Neutron Scattering Studies of Magnetic Domain Dynamics and Spin Structures by : San-Wen Chen
Download or read book X-ray and Neutron Scattering Studies of Magnetic Domain Dynamics and Spin Structures written by San-Wen Chen and published by . This book was released on 2014 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of magnetic spin structures at nanometer length scales and their dynamics is of both fundamental and technological importance. X-rays and neutrons are penetrating probes that are suitable for studying these in the bulk and the interfaces of the materials. In this thesis, the magnetic domain dynamics are studied by resonant soft x-ray scattering together with x-ray photon correlation spectroscopy. The domain fluctuations reveal when the temperature is close to the phase transition temperature. We find the domain wall dynamics in an antiferromagnet corresponds to a collective motion of spins and exhibit some universal features associated with the jamming behavior in many jammed soft condensed matter systems. We also discuss about the utilization of polarized neutron reflectometry to study the interfacial spin structure in an exchange biased bilayer. The magnetization profiles are obtained which show that some spins are not completely reversible when the magnetic field is reversed. These spins include pinned uncompensated spins in the antiferromagnet and the interfacial spins exchange coupled to those spins. A previously established model was found to reproduce the magnetization profile observed. Finally, we carried out a grazing incidence small angle neutron scattering experiment on an optical grating as a way to test the Distorted Wave Born Approximation (DWBA). DWBA is briefly reviewed and we used it to calculate the scattering intensity of the system.
