LANDOU-BÖRNSTEIN. Zahlen werte und Funktionen aus Naturwissenschaften und Technik. Neue Serie. Gesamtherausgabe: K.-H. Hellwege

Transcription

1 LANDOU-BÖRNSTEIN Zahlen werte und Funktionen aus Naturwissenschaften und Technik Neue Serie Gesamtherausgabe: K.-H. Hellwege Gruppe III: Kristall- und Festkörperphysik Band 4 Magnetische und andere Eigenschaften von Oxiden und verwandten Verbindungen Teilb D.Bonnenberg E.L.Boyd B.A.Calhoun V.J.Folen W.Gräper A.P.Greifer C.J.Kriessman R.A.Lefever T.R.McGuire M.Paulus G.H.Stauss R.Vautier H.PJ.Wijn Herausgeber: K.-H. Hellwege und A.M. Hellwege Springer Verlag Berlin Heidelberg New York 1970

2 Table of Contents Inhaltsverzeichnis 5 Non-iron garnets By W. GRÄPER, Technische Hochschule Darmstadt, Germany 5.0 Introduction Einleitung Magnetic susceptibility data 2 A. Paramagnetic susceptibility above the ordering temperature 2 B. Susceptibility data at low temperatures in the vicinity of an ordering temperature... 4 C. Summary of susceptibility parameters and transition temperatures Magnetization Crystallographic and structural data 12 A. Location and environment of ions in the unit cell of the garnet lattice 12 B. Oxygen coordinates, interionic spacings, and angles of Compounds with garnet structure.. 13 C. Lattice parameters and density of garnet Systems 15 D. Magnetic structure of DyAlG and ErGaG Results of magnetic resonance experiments 18 A. Paramagnetic resonance of rare earth impurities in diamagnetic garnets 18 B. Paramagnetic resonance of impurities with d electrons in diamagnetic garnets 20 C. Paramagnetic resonance of impurities in paramagnetic garnets 23 D. Nuclear magnetic resonance experiments Results from optical spectra 26 A. Crystal field analysis and parameters 26 B. Summary of references for some results from optical measurements Spin-lattice relaxation of paramagnetic ions in garnets 28 A. Temperature dependence of the spin-lattice relaxation time T x 28 B. The dependence of the spin-lattice relaxation time on magnetic field Thermal properties near the transition temperature 34 A. Specific heat of rare earth gallium garnets 34 B. Specific heat of two rare earth aluminium garnets Faraday rotation in paramagnetic non-iron garnets Magnetomechanical properties 41 A. Magnetostriction of rare earth gallates and germanates with a garnet structure 41 B. Microscopic magnetoelastic tensors for paramagnetic rare earth ions in diamagnetic garnet hosts 42 C. Magnetoacoustic properties Neutron diffraction results near and below the magnetic ordering point References 45 A. Primary references 45 B. Supplementary references 47 6 Spineis Arrangement Anordnung Introduction Einleitung 51 By B. A. CALHOUN, IBM, Poughkeepsie, N. Y., USA General remarks Allgemeine Bemerkungen Structure Struktur Fe 3 + spineis (cubic ferrites) Ferrimagnetism; magnetic behaviour of ferrites Ferrimagnetismus; magnetisches Verhalten der Ferrite 54 By B. A. CALHOUN, IBM, Poughkeepsie, N. Y., USA

3 VIII Inhaltsverzeichnis A-B exchange interaction; magnetization (^-B)-Austauschwechselwirkung; Magnetisierung A-A, B-B exchange interaction; magnetic order (A-A)-, (B-B)-Austauschwechselwirkung ; magnetische Ordnung Hyperfine interactions (Mössbauer and NMR methods) Hyperfeinwechselwirkungen (Mössbauer- und NMR-Verfahren) Anisotropy Anisotropie Ferrimagnetic resonance Ferrimagnetische Resonanz Accuracy Genauigkeit References for 6.0 and Fe 2 +-Fe 3 +spineis (magnetite) and Fe 2 +-Fe 3 +spineis with substitutions 65 By R. A. LEFEVER, Sandia Corporation, Albuquerque, N. M., USA Tables and figures References for NiFe 3 + spineis (Ni ferrites) and NiFe 3 + spineis with substitutions 75 By T. R. Mc GUIRE, IBM, Thomas J. Watson Research Center, Yorktown Heights, USA, and E. L. BOYD, IBM, Component Division, Hopewell Junction, N. Y., USA Introduction Ni ferrite NiFe Zn substituted Ni ferrite Ni ferrite with Co substitutions Dilute Mn and Co substitutions in Ni ferrite and Ni ferrite aluminate Ge substituted Ni ferrite Ni ferrite chromite Ni ferrite vanadate Ni ferrite aluminate Ni gallate ferrite References for Mn-Fe 3 + spineis (Mn ferrites) and Mn-Fe 3 + spineis with substitutions 106 By R. VAUTIER and M. PAULUS, Centre National de la Recherche Scientifique, Bellevue, France Introduction Phase equilibria and structure Phase equilibria Equilibrium oxygen partial pressure (Errata see p. XVI) Lattice constants (Errata see p. XVI) Ionic distribution Spin arrangement Thermal properties Specific heat Thermal conductivity Thermal expansion Diffusion and oxidation coefficients Ferrite thermodynamics Solid crystal growth Reactivity and sintering Mechanical properties Electrical properties Electrical resistivity Magnetoresistance and thermomagnetic effect Hall effect Seebeck effect Spontaneous magnetization Saturation moment at 0 K Magnetization as a function of temperature T Magnetization in the region of the Curie point "Curie temperatures Magnetocrystalline anisotropy Magnetocrystalline anisotropy in Mn ferrite Magnetocrystalline anisotropy in Mn ferrite with substitutions Linear magnetostriction Magnetic annealing 173

4 Table of contents IX Domains and domain walls Domain wall motion experiments Domain structure Response of magnetization to a field High temperature susceptibility High field susceptibility in the ferrimagnetic state Permeability Variation with composition, impurities, irradiation, and grain size Permeability vs. temperature Permeability vs. pressure Permeability vs. frequency After-effect, disaccommodation, and viscosity Microwave properties Resonance line width Spectroscopic Splitting factor Optical properties (absorption) References for Mg-Fe 3 + spineis (Mg ferrites) and Mg-Fe 3 + spineis with substitutions 216 By C. J. KRIESSMAN, Ferroxcube Corporation, Saugerties, N. Y., USA, and A. P. GREIFER, Univac, Blue Bell, Pa., USA Mg ferrite MgFe MgMn ferrites and MgMn ferrites with substitutions Introductory remarks Crystallographic properties, physical properties, phase data, magnetic moments, Anisotropy Bosses Square-loop properties Microwave properties Other ferrite Systems containing Mg Introductory remarks Systems containing Zn Systems containing Cu Systems containing Ni Systems containing AP Systems containing Cr Systems containing Al Cr Other Systems containing trivalent and higher valency cations Systems containing F - and Li References for Zn-Fe 3 + spineis (Zn ferrites) and Zn-Fe 3 + spineis with substitutions Zn, Zn-Fe, Zn-Ti, Zn-Li, Zn-Ti-Li, Zn-Cd, Zn-Mg, Zn-Co, and Zn-Cu ferrites Zn-Ni, Zn-Ni-Ge, and Zn-Ni-Sb ferrites References for and Li-Fe 3 + spineis (Li ferrites) and Li-Fe 3 + spineis with substitutions Li ferrite Li-Cr ferrites Li-Zn, Li-Zn-Co, Li-Ti, Li-Zn-Ti, and Li-Zn-Ti-Al-Mn ferrites Li-Al, Li-Ga, Li-Cd ferrites and Li-Fe ferrites Li-Mn, Li-V, and Li-Ge ferrites References for Cu-Fe 3 + spineis (Cu ferrites) and Cu-Fe 3 + spineis with substitutions Cu ferrite CuFe Cu-Zn and Cu-Cd ferrites Cu-Cr ferrites Cu-Mg ferrites Other ferrites, oxide Compounds, and oxide mixtures containing Cu References for

5 X Inhaltsverzeichnis Co-Fe 3 + spineis (Co ferrites) and Co-Fe 3+ spineis with substitutions Co ferrite Co ferrite and Co-Fe mixed oxides Co-Zn ferrites Co-Cd, Co-Mg, Co-Ni, and Co-Cr ferrites References for Cr spineis Cr Spinelle Cr Oxid-Spinelle 394 By D. BONNENBERG, Technische Hochschule Aachen, Germany, and H. P. J. WIJN, Philips Research Laboratories, Eindhoven, Netherlands Binäre Cr Oxid-Spinelle Ternäre und quarternäre Cr Oxid-Spinelle Literatur zu und Cr sulfide, selenide and telluride spineis 619 By V. J. FOLEN and G. Ff. STAUSS, U. S. Naval Research Laboratory, Washington, D. C, USA Comparison of the crystallograpliic, electrical, and magnetic properties of Cr spineis containing S, Sc and Te Comparative properties of CdCr 2 Se 4, CdCr 2 S 4, HgCr 2 Se 4, and HgCr 2 S Cd-Cr selenide spinel Cd-Cr selenide spinel with substitutions Cd-Cr sulfide spinel and substituted Compounds Hg-Cr selenide, Hg-Cr sulfide spineis and their substituted Compounds Cu-Cr S, Se and Te spineis Cu-Cr S, Se and Te spineis with substitutions Fe-Mn-, Co- and Zn-Cr S and Se spineis and their substituted Compounds References for Andere Spinelle Further spinels 422 By D. BONNENBERG, Technische Hochschule Aachen, Germany, and H. P. J. WIJN Philips Research Laboratories, Eindhoven, Netherlands V Spinelle undsubstitutierte V Spinelle V Spinelle mit V V Spinelle mit V V Spinelle mit V V Spinelle mit sowohl V 3 +als auch V Ge Spinelle und substituierte Ge Spinelle Rh Spinelle und substituierte Rh Spinelle Literatur zu AI Spinelle und substituierte AI Spinelle Ga Spinelle und substituierte Ga Spinelle fn Spinelle und substituierte In Spinelle Literatur zu Co Spinelle und substituierte Co Spinelle Ni Spinelle und substituierte Ni Spinelle Te Spinelle und substituierte Te Spinelle Mn Spinelle und substituierte Mn Spinelle Ti Spinelle und substituierte Ti Spinelle Literatur zu Mo Spinelle und substituierte Mo Spinelle W Spinelle und substituierte W Spinelle Nb Spinelle und substituierte Nb Spinelle Zr Spinell Sb Spinelle und substituierte Sb Spinelle Sn Spinelle und substituierte Sn Spinelle Si Spinelle und substituierte Si Spinelle Literatur zu "

6 Table of contents XI 7 Hexagonal ferrites By H. P. J. WIJN, Philips Research Laboratories, Eindhoven, Netherlands 7.0 Introduction Einleitung Quantities and units Größen und Maßsysteme List of Symbols Symbolliste Chemical compositions and phase diagrams of hexagonal ferrites Crystal structures Paramagnetic properties of ferrites with hexagonal crystal structures M (magnetoplumbite)-type ferrites Survey of the chemical substitutions in the M structure and room temperature lattice constants Electric and dielectric properties of ferrites with M structure Mössbauer spectra, Saturation magnetization, and Curie temperature of ferrites with M structure Effective spectroscopic Splitting factor g et( of ferrites with M structure Magneto-crystalline anisotropy of ferrites with M structure Hysteresis properties of ferrites with M structure High-frequency magnetic properties of ferrites with M structure Magnetic spectrum of ferrites with M structure Line width of the ferromagnetic resonance of ferrites with M structure W-type ferrites Survey of chemical substitutions in the W structure Electric and dielectric properties of ferrites with W structure Saturation magnetization and Curie temperature of ferrites with W structure Effective spectroscopic Splitting factor g ett of ferrites with W structure Magneto-crystalline anisotropy of ferrites with W structure Magnetostriction of ferrites with W structure High-frequency magnetic properties of ferrites with W structure Y-type ferrites Lattice parameters of ferrites with Y structure Electric and dielectric properties of ferrites with Y structure Mössbauer spectra, Saturation magnetization, spectroscopic Splitting factor, and Curie temperature of ferrites with Y structure Magneto-crystalline anisotropy of ferrites with Y structure Magneto-crystalline anisotropy derived from static measurements Magneto-crystalline anisotropy field derived from the ferromagnetic resonance frequency Hysteresis properties of ferrites with Y structure High-frequency magnetic properties of ferrites with Y structure Magnetic spectrum of the initial permeability of ferrites with Y structure Ferromagnetic resonance properties of ferrites with Y structure Non-linear effects in the ferromagnetic resonance of ferrites with Y structure Z-type ferrites Lattice parameters of ferrites with Z structure The resistivity of ferrites with Z structure Saturation magnetization and Curie temperature of ferrites with Z structure Magneto-crystalline anisotropy of ferrites with Z structure High-frequency magnetic properties of ferrites with Z structure U-type ferrites Calcium ferrites References for Index of substances for III/4a and III/4b 647