T.L. Francavilla / R.A. Hein / D.H. Liebenberg (Hgg.)

Magnetic Susceptibility of Superconductors and Other Spin Systems

Herausgegeben:Francavilla, T. L.; Hein, R. A.; Liebenberg, D. H.

• Gebundenes Buch

Produktbeschreibung

The workshop entitled Magnetic Susceptibility of Superconductors and other Spin Systems (S4) was held at Coolfont Resort and Health Spa. located near Berkley Springs West Virginia on May 20-23. 1991. There were over sixty attendees. approximately half from the United States. the remainder representing over twelve different countries. The international character of the workshop may be gleaned form the attendee list, included in this volume. The intent of the workshop was to bring together those experimentalists and theoreticians whose efforts have resulted in significant recent contributions to the development and use of the ac susceptibility technique as well as to the interpretation of data obtained from these measurements. Many spirited discussions occurred during and after the presentations. These are reflected in the manuscripts contained in these proceedings. Although camera ready manuscripts were required from all participants at registration, all manuscripts were revised and reflect the lively exchanges that followed each presentation. The small size of the workshop allowed the participants a high degree of flexibility. Consequently when a controversial topic such as "the irreversibility line" emerged, a special session was organized on the spot. At the suggestion of Ron Goldfarb, participants were invited to contribute a one page summary containing their thoughts on the topic. These stand alone contributions were retyped and included as submitted, with only minor editorial changes. These proceedings are intended for those experienced scientists new to the field and graduate students just beginning their research.

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Produktdetails

• Verlag: Springer / Springer Netherlands / Springer US
• Artikelnr. des Verlages: 978-0-306-44197-4
• 1992.
• Seitenzahl: 632
• Erscheinungstermin: 31. Juli 1992
• Englisch
• Abmessung: 260mm x 183mm x 39mm
• Gewicht: 3110g
• ISBN-13: 9780306441974
• ISBN-10: 0306441977
• Artikelnr.: 23091102

Inhaltsangabe

Section 1 - Basic Experimental Techniques and Concepts.- Multipurpose Cryostat for Low Temperature Magnetic and Electric Measurements of Solids.- Ac Susceptibility Responses of Superconductors: Cryogenic Aspects, Investigation of Inhomogeneous Systems and of the Equilibrium Mixed State.- Alternating-Field Susceptometry and Magnetic Susceptibility of Superconductors.- Ac Inductive Measurements: Its Application to the Studies of High Tc Superconductivity.- Ac Susceptibility Studies of Superconducting Properties Under High Hydrostatic Pressure.- Dc Magnetization and Flux Profile Techniques.- Studies of "Non-ideal" Superconductors using Dc Magnetic Methods.- Section 2 - Theoretical Considerations and Phemonological Models.- Ac Losses in Type II Superconductors.- Early Theories of ?? and ?? of Superconductors: The Controversial Aspects.- Detailed Theory of the Magnetic Response of High Temperature Ceramic Superconductors.- Exponential Critical State Model Fit for Intergranular Ac Susceptibility of Sintered High-Tc superconductors.- Phenomenological Model Fit to Intragranular Ac Susceptibility of Sintered High-Tc Superconductors.- Critical Current Densities from ac Susceptibility Data.- Section 3 - Bulk and Single Crystal Samples.- Responses of High Tc superconductors to Various Combinations of AC and DC Magnetic Fields.- Non-Linear A.C. Susceptibility Response Near the Irreversibility Line.- Higher Harmonics of Single Crystal YBa2Cu3Oy Thin Films and Bulk Samples.- The Frequency Dependence of the AC Irreversibility Line of some High Temperature Superconducotors.- Utility of ?ac Response in the Low Field Limit for Characterizing Inhomogeneous Superconducotrs.- ac Susceptibility Studies of Type II Superconductors: Vortex Dynamics.- A Study of Reversible andIrreversible Magnetization Behavior in Conventional Superconductors.- Section 4 - Thin Films.- AC Susceptibility Techniques Applied to Thin Film Superconductors.- A self Contained Inductance Bridge for Rapid NDT of Superconducting Thin Films.- Characterization of Tl2Ba2CaCu2O8-Films and Single Crystals by an AC Susceptibility method.- Temperature Dependent Penetration Depths From the ac Magnetic Susceptibility of Thin Films.- Magnetic Detection of Optical Excitations in HTSC Thin Films by ac Susceptibility Measurements.- Section 5 - Magnetically Ordered and Spin-Glass Systems.- AC Susceptibility of Dilute Magnetic Systems.- Spin-Glass and Superconducting Properties.- Novel Low Field ac Magnetic Susceptibility Techniques in UHV: Magnetism of hcp Gd(0001).- Section 6 - Specialized Measuring Techniques.- Magnetically Modulated Resistance Techniques.- High Field ac Susceptometer Design for Measurements of Superconducting Single Crystals and Results.- Balancing Coils for 10 MHz Susceptibility Signals.- Reversibility Line Measurements in a SQUID Without Sample Movement.- Automatic Temperature Calibration During Swept Temperature Magnetisation Measurements.- Appendix - Irreversibility Line Debate.- List of Participants.