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  • 1
    Keywords: Magnetism--Congresses. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (460 pages)
    Edition: 1st ed.
    ISBN: 9781483258829
    DDC: 530.41700000000003
    Language: English
    Note: Front Cover -- High Field Magnetism -- Copyright Page -- Table of Contents -- PREFACE -- PART 1: MAGNET TECHNOLOGY -- CHAPTER 1. D.C. LABORATORY ELECTROMAGNETS -- 1. Introduction -- 2. Resistive magnets -- 3. Hybrid magnets -- 4. Outlook -- Acknowledgements -- References -- CHAPTER 2. DESIGN OF MAGNET COILS FOR SEMI-CONTINUOUS MAGNETIC FIELDS UP TO 60 T -- 1. Introduction -- 2. The power -- 3. The stress -- 4. Two coils, two power supplies -- 5. Two coils, one power supply -- 6. Homogeneity of the field -- 7. Accuracy of the measurements -- Appendix -- References -- CHAPTER 3. EXPERIMENTS WITH STRONG PULSED MAGNETIC FIELDS PRODUCED BY Cu/Nb MICROCOMPOSITE WIRE-WOUND MAGNETS -- 1. Background -- 2. Cu/Nb multilayer magnets -- 3. Cu/Nb materials properties -- 4. Insulation -- 5. Operation in a user mode -- Acknowledgments -- References -- CHAPTER 4. PRODUCTION OF ULTRA-HIGH MAGNETIC FIELDS AND THEIR APPLICATION TO SOLID STATE PHYSICS -- 1. Introduction -- 2. Electromagnetic flux compression -- 3. Single-turn coil technique -- 4. Application to solid state physics -- References -- CHAPTER 5. LABORATORY FACILITY FOR THE MAGNETIC FLUX COMPRESSION SYSTEMS USING LARGE EXPLOSIVES -- 1. Introduction -- 2. Experimental test bench for operation with large explosive charges under laboratory conditions -- 3. Electromagnetic test bench -- References -- CHAPTER 6. PRODUCTION OF REPEATING PULSED HIGH MAGNETIC FIELD -- 1. Introduction -- 2. General remarks -- 3. Experimental procedure and results -- 4. Conclusion -- Acknowledgments -- References -- CHAPTER 7. AN ELECTRONIC MONITORING SYSTEM FOR HYBRID MAGNETS -- 1. Introduction -- 2. Resistive magnets -- 3. Superconducting magnets -- 4. Cryogenic installation -- 5. Switching-off logic -- 6. Recording -- Acknowledgment -- References -- CHAPTER 8. SWITCHING OF A 0.5-MJ CAPACITOR BANK WITH THYRISTORS AT SURGE RATINGS. , 1. Introduction -- 2. Dimensioning of the 500-kJ switch -- 3. Design of the thyristor matrix -- 4. The trigger circuit -- Acknowledgment -- References -- CHAPTER 9. WORKSHOP ON MAGNET TECHNOLOGY -- PART 2: MAGNET LABORATORY FACILITIES -- CHAPTER 10. NON-DESTRUCTIVE QUASI-STATIC PULSED MAGNETIC FIELDS AT TOULOUSE -- 1. Introduction -- 2. The pulsed field generator -- 3. The coils -- References -- CHAPTER 11. THE 40-T FACILITY OF THE UNIVERSITY OF AMSTERDAM -- 1. Introduction -- 2. Regulation of the field -- 3. Experimental possibilities and some results -- References -- CHAPTER 12. THE PULSED FIELD INSTALLATION AT THE K.U. LEUVEN -- 1. Introduction -- 2. The capacitor bank -- 3. Coils -- 4. Experimental arrangement -- Acknowledgments -- References -- CHAPTER 13. THE HIGH FIELD FACILITY AT THE CLARENDON LABORATORY, OXFORD -- 1. Introduction -- 2. Continuously wound /bonded coils -- 3. The uprate of the hybrid -- 4. The installation of a new hybrid magnet -- 5. Hybrid II - specifications -- 6. Hybrid II - siting -- 7. The development of 50-T pulsed magnets -- 8. The installation of a pulsed field facility -- 9. The future of pulsed fields -- Acknowledgments -- References -- CHAPTER 14. HIGH FIELD LABORATORY FOR SUPERCONDUCTING MATERIALS, INSTITUTE FOR MATERIALS RESEARCH, TOHOKU UNIVERSITY -- 1. Introduction -- 2. Magnets -- 3. Hybrid magnet system -- 4. Application of high magnetic fields -- 5. Concluding remarks -- References -- CHAPTER 15. THE NIJMEGEN HIGH FIELD MAGNET LABORATORY -- 1. Introduction -- 2. The installation -- 3. The high field magnets -- 4. Nijmegen-II -- References -- CHAPTER 16. THE FRANCIS BITTER NATIONAL MAGNET LABORATORY AT MIT: 1988 STATUS -- References -- CHAPTER 17. THE HIGH FIELD MAGNET LABORATORY OF GRENOBLE -- 1. Introduction -- 2. The technical installations -- 3. The power supplies -- 4. The cooling circuit. , 5. Resistive magnets -- 6. Superconducting magnets -- 7. The hybrid magnet -- 8. Scientific instrumentation -- References -- CHAPTER 18. HIGH FIELD MAGNETS AT THE INTERNATIONAL LABORATORY WROCŁAW -- 1. Introduction -- 2. Facilities -- 3. Scientific program -- 4. Further development -- CHAPTER 19. A 20-T SUPERCONDUCTING MAGNET SYSTEM -- 1. Introduction -- 2. The magnet arrangement -- 3. The layout of the Nb3Sn coils -- 4. The operation of the magnet system -- 5. Experimental possibilities -- 6. Conclusion -- References -- CHAPTER 20. HIGH MAGNETIC FIELD FACILITY AT OSAKA UNIVERSITY -- 1. Introduction -- 2. Capacitor banks -- 3. Magnets -- 4. High field measurements -- 5. Conclusion -- References -- CHAPTER 21. AN IDEA FOR THE EASY CONSTRUCTION OF A HIGH FIELD MAGNET -- I. Introduction -- 2. Experimental procedure -- 3. Experimental results and discussion -- References -- CHAPTER 22. THE DEVELOPMENT OF COMPACT 18-T FILAMENTARY SUPERCONDUCTING MAGNETS -- 1. Introduction -- 2. Choice of superconducting materials -- 3. Basic technology development -- 4. 18-T development -- 5. Future developments -- 6. Conclusions -- Acknowledgments -- References -- CHAPTER 23. THE HIGH FIELD MAGNET LABORATORY (HMFA) AT BRAUNSCHWEIG UNIVERSITY -- Reference -- CHAPTER 24. MEGAGAUSS LABORATORY IN TOKYO -- References -- CHAPTER 25. HIGH-FIELD RESEARCH IN CHINA -- 1. Introduction -- 2. A study of coils for 50 T pulsed fields -- 3. The hybrid-magnet project -- 4. Some experiments in high magnetic fields -- References -- CHAPTER 26. ADVANCES IN HIGH FIELD MAGNETISM AT OSAKA -- 1. Introduction -- 2. Advances in magneto-optics -- 3. High Tc superconductors -- 4. Field-induced structural transformation -- 5. J-Crossover in CsFeCl -- 6. Magnetism of rare earth compounds -- References -- PART 3: SUPERCONDUCTIVITY. , CHAPTER 27. STATUS AND PROSPECTS OF SUPERCONDUCTING CHEVREL PHASE WIRES FOR HIGH MAGNETIC FIELD APPLICATIONS -- 1. Introduction -- 2. Comparison to HTSC -- 3. Wire technologies -- 4. Critical current density -- 5. Upper critical field -- 6. Conclusions -- Acknowledgements -- References -- CHAPTER 28. IRREVERSIBLE MAGNETIZATION AND UPPER CRITICAL FIELD OF YBa2Cu3O7 SINGLE CRYSTALS IN HIGH MAGNETIC FIELDS -- 1. Introduction -- 2. Experimental -- 3. Discussion -- References -- CHAPTER 29. HIGH MAGNETIC FIELD PROPERTIES OF ErBa2Cu3O7 and HoBa2Cu3O7 SINGLE CRYSTALS -- 1. Introduction -- 2. Experimental -- 3. Results and discussion -- 4. Conclusion -- Acknowledgements -- References -- CHAPTER 30. THE MEASUREMENT OF CRITICAL CURRENTS OF HIGH Tc SUPERCONDUCTORS IN MAGNETIC FIELDS -- 1. Introduction -- 2. Measurement of critical current in magnetic field: Techniques and considerations -- 3. The effect of high contact resistance on critical current measurements of high Tc superconductors -- 4. Techniques for lowering contact resistance and reducing its effect -- 5. Reducing the effects of contact resistance with sample geometry and measurement technique -- 6. Summary and conclusions -- Acknowledgements -- References -- CHAPTER 31. CRITICAL PARAMETERS OF HIGH Tc COMPOUNDS -- 1. Introduction -- 2. Critical parameters of stoichiometric compounds -- 3. Critical parameters of oxygen deficient samples -- 4. Conclusion -- Acknowledgements -- References -- CHAPTER 32. MAGNETIC MEASUREMENTS OF HIGH-TC SUPERCONDUCTORS IN MEGAGAUSS FIELDS -- 1. Introduction -- 2. Experiment -- 3. Discussion -- References -- CHAPTER 33. ANISOTROPY OF THE CRITICAL FIELDS OF HIGH-TC SUPERCONDUCTORS -- 1. Introduction -- 2. La1.85Sr0.15 CuO4-δ -- 3. YBa2Cu3O7-δ -- 4. Anisotropy -- 5. Conclusion -- Acknowledgements -- References. , CHAPTER 34. HIGH FIELD PROPERTIES AND CHARACTERISTICS OF OXIDE SUPERCONDUCTORS -- 1. Introduction -- 2. Experimental -- 3. Results and discussion -- 4. Conclusions -- Acknowledgements -- References -- CHAPTER 35. CRITICAL FIELD OF HIGH Tc SUPERCONDUCTORS -- 1. Introduction -- 2. Sample preparation -- 3. Experimental results and discussion -- Acknowledgements -- References -- CHAPTER 36. Hc2 MEASUREMENT OF HIGH Tc SUPERCONDUCTORS BY PULSED MAGNETIC FIELD -- 1. Introduction -- 2. Hc2 measurement in high fields -- 3. Experimental set-up -- 4. Conclusion -- References -- CHAPTER 37. HIGH FIELD MEASUREMENTS OF WHOLE PROFILE OF Hc2 AND NORMAL RESISTIVITY OF HIGH-Tc SINGLE CRYSTAL SUPERCONDUCTORS -- 1. Introduction -- 2. Sample preparation -- 3. Experiment -- 4. Normal resistivity -- 5. Upper critical field -- 6. Coherence length -- 7. Conclusions -- Acknowledgements -- References -- CHAPTER 38. THE EFFECT OF Y SUBSTITUTION BY LANTHANIDES ON Jc OF Ba2Y1Cu3O7-δ -- 1. Introduction -- 2. Experimental procedure -- 3. Results -- 4. Discussion -- Acknowledgements -- References -- CHAPTER 39. MAGNETIZATION AND CRITICAL CURRENTS IN HIGH-Tc SUPERCONDUCTING OXIDES -- Acknowledgements -- References -- CHAPTER 40. UPPER CRITICAL FIELD MEASUREMENTS IN HIGH-Tc SUPERCONDUCTING OXIDES -- References -- CHAPTER 41. TECHNIQUE FOR CONTACTLESS TRANSPORT MEASUREMENT IN VERY HIGH MAGNETIC FIELDS-A CHALLENGE TO DETERMINE Hc2(0) OF HIGH-Tc SUPERCONDUCTORS IN THE MEGAGAUSS RANGE -- 1. Introduction -- 2. Contactless method -- 3. Experimental configurations -- 4. Measurements on YBCO -- 5. Discussion -- Acknowledgements -- References -- CHAPTER 42. FIR PARAMAGNETIC RESONANCE IN HIGH-Tc SUPERCONDUCTORS -- 1. Introduction -- 2. The experimental setup -- 3. Analysis of the FIR absorption -- 4. Conclusion -- Acknowledgement -- References -- PART 4: d-MAGNETISM. , CHAPTER 43. HIGH FIELD MAGNETOSTRICTION IN INTERMETALLIC COMPOUNDS.
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  • 2
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In magnetically ordered intermetallics of uranium with d transition elements, the magnetic moment on the uranium site is often limited to values below 0.1μB, with, in some cases, extremely large magnetic anisotropies. Several approaches are followed for explaining these small uranium moments: opposite directions and almost compensation of the spin and orbital moments, reduction of the uranium 5f moment by strong hybridization effects between the 5f and conduction electrons, and very weak itinerant magnetism of the 5f electrons. In the Laves-phase compounds UFe2 and UNi2, the magnetic data have been explained in terms of opposite spin and orbital moments on the uranium sites. In the heavy-fermion compounds UPt3 and URu2Si2, on the contrary, a Kondo approach is followed, although coherence effects largely complicate a proper description. The experimental evidence for these different approaches will be reviewed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 67 (1990), S. 4771-4773 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: By performing high-field magnetization measurements on Gd2Fe14−xMnxB and Tb2Fe14−xMnxB powdered samples that are oriented in the sample holder by the applied field it is possible to improve the accuracy of earlier reported values for the R-T exchange-coupling constant of these R2Fe14B compounds. In addition, the two-sublattice model that has been applied previously has been extended to a three-sublattice model with two magnetic rare-earth sublattices for the Er and Tm compounds in an attempt to describe the experimentally observed low-field susceptibility. It turns out however, that mainly the iron-manganese sublattice is responsible for this susceptibility.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 69 (1991), S. 4633-4635 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The effects of iron substitution on the magnetization, the magnetic anisotropy, the spin-reorientation temperature, and the Curie temperature of Y(Co1−xFex)4B have been studied on the cobalt-rich side for x values below 0.4. Temperature-induced spin-reorientation phenomena may be observed in compounds with x values below 0.02 by inspecting the low-field magnetization curves of bulk polycrystalline samples and by observing the change in the easy direction in field-oriented powdered samples. The spin-reorientation temperature shifts from 145 K for YCo4B to higher values with increasing x and the phenomenon disappears for values larger than 0.03. By analyzing the magnetization curves of field-oriented powder samples, the magnetic anisotropy has been evaluated. The value for the first anisotropy constant K1 at 4.2 K decreases in a nonlinear way with increasing x values and reaches a minimum around x=0.3.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: High-field magnetization studies have been performed at 4.2 K on single-crystalline Ho2Co17 in the high-field facilities of the Universities of Amsterdam and Osaka up to magnetic fields of 38 and 50 T, respectively. Several magnetic transitions have been observed for field directions in the easy hexagonal plane in the field range between 20 and 50 T. The transitions reflect field-induced changes in the configuration of the holmium and cobalt magnetic moments and are a measure for the intersublattice-coupling parameter.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: YNi4B is a paramagnetic compound with the susceptibility equal to 2.7×10−6 emu/g at 5 K. From the low-temperature specific heat, values of 458 K for the Debye temperature and 14.1 mJ/K2 mol for the coefficient of the electronic specific heat are obtained. GdNi4B is ferromagnetic below Tc=35.0 K where the λ-type anomaly is observed in the specific heat. Magnetic and specific-heat measurements provide strong evidence that the 3d band in YNi4B and GdNi4B is completely filled.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Magnetostriction measurements were performed on Ho2Fe17 single crystals, using high pulsed magnetic fields up to 15 T and in the temperature range of 5–300 K. Volume deformations in the basal plane have been observed to be one order of magnitude greater than the volume longitudinal deformation along the c axis. The main contribution to the magnetostriction modes arises from the 3d–3d exchange interaction.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 69 (1991), S. 5487-5489 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Superconducting UPt3 is characterized by a novel and complex magnetic field-temperature phase diagram, with two superconducting transitions at Tc1 and Tc2 in zero field. We have studied the effects of Pd and Y impurities on the zero field superconducting properties of UPt3. Resistance measurements show that both dopants increase the residual resistivity and decrease the spin fluctuation temperature in the normal state. Tc1 is depressed by both dopants, but more effectively by Pd. ||Tc1 − Tc2|| is essentially unaffected by Y doping, but increases dramatically with Pd doping.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 61 (1987), S. 3380-3382 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A phase diagram is presented for the superconducting and antiferromagnetic states in the heavy-fermion compounds U(Pt1−xPdx)3, x≤0.10. Superconductivity is depressed for x values larger than 0.005, whereas antiferromagnetism is observed in the composition range 0.01〈x〈0.1. Specific heat experiments show a sharp transition at the Néel temperature of 6.1 K for x=0.05, in contrast to the alloys with x=0.02 and 0.07 in which rather broad anomalies are observed around 3.6 and 5.5 K, respectively. Experimental observations indicate an optimal condition for antiferromagnetism around x=0.05. The effect of pressure on the phase diagram is discussed.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 57 (1985), S. 3054-3059 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Even in the absence of both magnetic order and superconductivity, Ce-based Kondo lattice systems show distinct anomalies in the low-temperature specific heat and thermopower. These features can be understood, in the frame of a microscopic treatment of the asymmetric Anderson model, by taking into account the periodicity of the Ce sites. A substantial variation in the observed phenomena between CeAl3 and normal (n) state CeCu2Si2 on the one hand as well as CeRu2Si2 and CeCu6 on the other highlight the importance of realistic band structure calculations for the quasiparticles ("heavy fermions'') in these different compounds. The temperature dependence of the upper critical magnetic field Bc2(T) for the heavy-fermion superconductor CeCu2Si2 (Tc(approximately-equal-to)0.6 K) shows a flat maximum at ∼0.2 Tc, which is ascribed to coherence-derived structure in the n-state quasiparticle density of states. A dc Josephson effect with a critical pair current of ordinary size is observed for the first time on a weak link between CeCu2Si2 and Al. This proves that CeCu2Si2 is a superconductor with dominant spin-singlet pairing. No Josephson effect can be found, however, between heavy-fermion superconducting UPt3 and Al, Nb, or UPt3 as counterelectrodes, in accord with a possible anisotropic (L≥1, S=0 or 1) pairing in UPt3. For this material, the thermal conductivity in the superconducting state approaches an asymptotic κS=αT2 law as T→0, with α=32 mW/cm K3, and the thermopower above TC shows a temperature dependence similar to that of the "spin fluctuation'' system UAl2.
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