References
- Aharony , A. 1986 . Crosssover from random exchange to random field critical behavior. . Europhys. Lett. , 1 : 617
- Als-Nielsen , J. 1976 . “ Neutron scattering and spatial correlation near the critical point ” . In Phase transitions and critical phenomena , Edited by: Domb , C. and Green , M. S. Vol. 5a , New York : Academic Press .
- Belanger , D. P. , Borsa , F. , King , A. R. and Jaccarino , V. 1980 . Dilution effects on Tc , and SRO in Mn x Zn1-xF2 and Fe x Zn1-xF2 . J. Magn. Magn. Mater. , 15–18 : 807
- Belanger , D. P. , King , A. R. , Ferreira , I. B. and Jaccarino , V. 1987 . Concentration inhomogeneities in random magnets II. Effects on critical phenomena studies . Phys. Rev. B. , To be published
- Belanger , D. P. , King , A. R. and Jaccarino , V. 1985a . Scaling of the metastability boundary of a d, = 2 randomd-field Ising system . Phys. Rev. Lett. , 54 : 577
- Belanger , D. P. , King , A. R. and Jaccarino , V. 1985b . Neutron scattering study of hysteresis near Tc , in a d, = 3 random field Ising system . Sol. St. Comm. , 54 : 79
- Belanger , D. P. , King , A. R. and Jaccarino , V. 1985c . Random-field critical behavior of a d, = 3 Ising system: Neutron scattering studies of Fe0.6Zn0.4F2 . Phys. Rev. , 31 : 4538
- Belanger , D. P. , King , A. R. and Jaccarino , V. 1986 . Crossover from random-exchange to random-field critical behavior in Fe x Zn1-xF2 . Phys. Rev. B , 34 : 452
- Belanger , D. P. , King , A. R. , Jaccarino , V. and Cardy , J. L. 1983 . Random-field critical behavior of a d, = 3 Ising system . Phys. Rev. B , 28 : 2522
- Belanger , D. P. , King , A. R. , Jaccarino , V. and Nicklow , R. M. 1987 . Neutron scattering observations of extreme critical slowing down in a d =, 3 random field system . Phys. Rev. Lett. , 59 : 930
- Belanger , D. P. , Nordblad , P. , King , A. R. , Jaccarino , V. , Lundgren , L. and Beckman , O. 1983 . Critical behavior in anisotropic antiferromagnets . J. Magn. Mater. , 31–34 : 1095
- Belanger , D. P. and Yoshizawa , H. 1987 . Neutron scattering and the critical behavior of the three dimensional Ising antiferromagnet FeF2 . Phys. Rev. B , 35 : 4823
- Birgeneau , R. J. , Cowley , R. A. , Shirane , G. and Yoshizawa , H. 1985 . Temporal phase transition in the three-dimensional random-field Ising model . Phys. Rev. Lett. , 54 : 2147
- Birgeneau , R. J. , Cowley , R. A. , Shirane , G. , Yoshizawa , H. , Belanger , D. P. , King , A. R. and Jaccarino , V. 1983 . Critical behavior of a site-diluted three-dimensional Ising magnet . Phys. Rev. , 27 : 6747
- Brezin , E. , LeGuillon , J. C. and Zinn-Justin , J. 1974 . Universal ratios of critical amplitudes near four dimensions . Phys. Lett. , 47A : 285
- Cardy , J. L. 1984 . Random-field effects in site-disordered Ising antiferromagnets . Phys. Rev. B , 29 : 505
- Cowley , R. A. , Hagen , M. and Belanger , D. P. 1984 . An experimental study of the critical fluctuations in a two-dimensional Ising model . J. Phys. C , 17 : 3763
- Debye , P. , Anderson , H. R. and Brumberger , H. J. 1957 . Scattering by an inhomogeneous solid. II. The correlation function and its application . J. Appl. Phys. , 28 : 679
- Dotsenko , V. S. and Dotsenko , V. S. 1982 . Critical behavior of the 2D Ising model with impurity bonds . J. Phys. C , 15 : 495
- Dow , K. E. and Belanger , D. P. 1987 . A comparison of the specific heat and optical linear birefringence in Fe0.46Zn0.54F2 . Unpublished.
- Ferré , J. and Gehring , G. A. 1984 . Linear optical birefringence of magnetic crystals . Rep. Prog. Phys. , 47 : 513
- Ferreira , I. B. , King , A. R. , Jaccarino , V. , Cardy , J. L. and Guggenheim , H. J. 1983 . Random-field-induced destruction of the phase transition of a diluted two-dimensional Ising antiferromagnet: Rb2Co0.85Mg0. l5F4 . Phys. Rev. B , 28 : 5192
- Ferreira , I. B. , King , A. R. and Jaccarino , V. 1987 . Optical birefringence behavior of Fe0 46Zn0 54F2 . Unpublished.
- Fisher , D. S. 1986 . Scaling and critical slowing down in random-field Ising systems . Phys. Rev. Lett. , 56 : 416
- Fisher , M. E. and Burford , R. J. 1967 . Theory of the critical-point scattering and correlations. I. The Ising model . Phys. Rev. , 156 : 583
- Fishman , S. and Aharony , A. 1979 . Random field effects in disordered anisotropic antiferromagnets . J. Phys. C , 12 : L729
- Gehring , G. A. 1977 . On the observation of critical indices of primary and secondary order parameters using birefringence . J. Phys. C , 10 : 531
- Graham , J. T. , Maliepaard , M. , Page , J. H. , Smith , S. R. P. and Taylor , D. R. 1987 . Random-field effects on Ising Jahn-Teller phase transitions . Phys. Rev. B , 35 : 2098
- Harris , A. B. 1974 . Effect of random defects on the critical behavior of Ising models . J. Phys. C , 7 : 1671
- Hutchings , M. T. , Rainford , B. D. and Guggenheim , H. J. 1970 . Spin waves in antiferromagnetic FeF2 . Phy. C , 3 : 307
- Ikeda , H. 1981 . Sharp phase transition in two-dimensional dilute antiferromagnets Rb2Co c Mg1-cF4 . J. Phys. Soc. Jpn. , 50 : 3215
- Ikeda , H. and Hutchings , M. T. 1978 . Spin wave excitations in a two-dimensional Ising-like antiferromagnet Rb2CoF4 . J. Phys., C , 11 : L529
- Ikeda , H. 1986 . Specific heat of Mn0 5Zn0 5F2 in random fields . J. Phys., C , 19 : L811
- Imbrie , J. Z. 1984 . On the Ising model in a random field . Phys. Rev. Lett. , 53 : 1747
- Imry , Y. and Ma , S. 1975 . Random-field instability of the ordered state of continuous symmetry . Phys. Rev. Lett. , 35 : 1399
- Jug , G. 1983 . Critical behavior of disordered spin systems in two and three dimensions . Phys. Rev. B , 27 : 609
- King , A. R. , Ferreira , I. B. , Jaccarino , V. and Belanger , D. P. 1987 . Concentration inhomogeneities in random magnets. I. Characterization using optical birefringence . Phys. Rev. B. , To be published
- King , A. R. , Jaccarino , V. , Belanger , D. P. and Rezende , S. M. 1985 . Scaling of the equilibrium boundary of three-dimensional random-field Ising-model systems . Phys. Rev. B , 32 : 503
- King , A. R. , Jaccarino , V. , Motokawa , M. , Sugiyama , K. and Data , M. 1985 . High-field magnetization measurements of the metastability boundary in a d, = 2 random-field Ising system . J. Appl. Phys. , 57 : 3297
- King , A. R. , Jaccarino , V. , Sakakibara , T. , Motokawa , M. and Date , M. 1983 . H-T, phase diagram of randomly diluted FeF2 . J. Magn. Magn. Mater. , 31–34 : 1119
- King , A. R. , Mydosh , J. A. and Jaccarino , V. 1986 . AC susceptibility study of the d =, 3 random-field critical dynamics . Phys. Rev. Lett. , 56 : 2525
- Kleemann , W. , King , A. R. and Jaccarino , V. 1986 . Critical behavior of the magnetization of a d, = 3 random-field Ising system . Phys. Rev. B , 34 : 479
- Le Guillou , J. C. and Zinn-Justin , J. 1980 . Critical exponents from field theory . Phys. Rev. B , 21 : 3976
- Leitào , U. A. and Kleemann , W. 1987 . Critical behavior and metastability in the random field Ising system Fe0.7Mg0.3Cl2 . Phys. Rev. B , 35 : 8696
- Lovesey , S. W. 1984a . Theory of neutron scattering from condensed matter. , Oxford : Clarendon Press .
- Lovesey , S. W. 1984b . Diffraction from diluted antiferromagnets . J. Phys. C , 17 : 6113
- Magon , C. , Sartorelli , J. , King , A. R. , Jaccarino , V. , Itoh , M. , Yasuoka , H. and Heller , P. 1986 . NMR linewidths in d, = 3 random field Ising systems: Fe x Zn1-xF2 . J. Magn. Magn. Mater. , 54–57 : 49
- Mydosh , J. , King , A. R. and Jaccarino , V. 1986 . AC susceptibility of a d, = 3 random field Ising model system Fe0 46Zn0.54F2 . J. Magn. Magn. Mater. , 54–57 : 47
- Newlove , S. A. 1983 . Critical amplitudes for the random Ising system . J. Phys. C , 16 : L423
- Newman , K. E. and Riedel , E. K. 1982 . Cubic N-vector model and randomly dilute Ising model in general dimensions . Phys. Rev. B , 25 : 264
- Newman , K. E. and Riedel , E. K. 1984 . Critical exponents by the scaling field method: The isotropic N-vector model in three dimensions . Phys. Rev. B , 30 : 6615
- Nordblad , P. , Belanger , D. P. , King , A. R. , Jaccarino , V. and Ikeda , H. 1983 . Critical behavior of two-dimensional Rb2CoF4 as observed by linear birefringence . Phys. Rev. B , 38 : 278
- Ogielski , A. T. 1986 . Integer optimization and zero temperature fixed point in Ising random field systems . Phys. Rev. Lett. , 57 : 1251
- Ogielski , A. T. and Huse , D. A. 1986 . Critical behavior of the three-dimensional dilute Ising antiferromagnet in a field . Phys. Rev. Lett. , 56 : 1298
- Onsager , L. 1944 . Crystal statistics. I. A two-dimensional model with an order-disorder transition . Phys. Rev. , 65 : 117
- Pelcovits , R. A. and Aharony , A. 1985 . Structure factor for dilute magnetic systems . Phys. Rev. B , 31 : 350
- Richards , P. M. 1984 . Spin-glass order parameter of the random-field Ising model . Phys. Rev. B , 30 : 2955
- Rohrer , H. J. 1981 . Experiments on random-ordering field critical behavior in dilute antiferromagnets . App. Phys. , 52 : 1708
- Rohrer , H. and Scheel , H. J. 1980 . Experimental verification of random-field critical and multicritical behavior . Phys. Rev. Lett. , 44 : 876
- Salamati-Mashhad , H. , Dixon , G. S. and Martin , J. J. 1982 . Heat capacity of Mn1-xZn x F2 for x, < 0.1 . J. Appl. Phys. , 53 : 1929
- Schwartz , M. and Softer , A. 1985 . Exact inequality for random systems: application to random fields . Phys. Rev. Lett. , 55 : 2499
- Shapira , Y. , Oliviera , N. F. Jr. and Foner , S. 1984 . Effects of random fields on the phase transition and phase diagram of Mn0.75Zn0.25F2 . Phys. Rev. Rev. B , 30 : 6639
- Stout , J. W. and Catalano , E. 1955 . Heat capacity of zinc fluoride from 11 to 300 K. Thermodynamic functions of zinc fluoride. Entropy and heat capacity associated with the antiferromagnetic ordering of manganous fluoride, ferrous fluoride, cobal-fluoride, and nickelous fluoride . J. Chem. Phys. , 23 : 2013
- Tarko , H. B. and Fisher , M. E. 1975 . Theory of critical point scattering and correlations. III. The Ising model below Tc , and in a field . Phys. Rev. B , 11 : 1217
- Tracy , C. A. and McCoy , B. 1975 . Examination of the phenomenological scaling functions for critical scattering . Phys. Rev. B , 12 : 368
- Wertheim , G. K. , Buchanan , D. N. E. and Guggenheim , H. J. 1966 . Fe57 hfs and Neel temperature in Fe x Zn1-xF2 . Phys. Rev. , 152 : 527
- Wong , P.-z. 1985 . Scattering by inhomogeneous systems with rough internal surfaces; Porous solids and random-field Ising systems . Phys. Rev. B , 32 : 7417
- Wong , P.-z. and Cable , J. W. 1983 . Hysteretic behavior of the dilute random-field Ising system Fe0.70Mg0.30Cl2 . Phys. Rev. B , 28 : 5361
- Wong , P.-z. , von Molnar , S. and Dimon , P. 1982 . Random-field effects in Fe1-xMg x Cl2 . J. Appl. Phys. , 53 : 7954
- Wong , P.-z. , Yoshizawa , H. , Shapiro , S. M. , Mydosh , J. A. and Palstra , T. T. M. 1987 . Transverse fluctuations in an Ising spin-glass: Fe0.4Mg0.6C12 . Phys. Rev. Lett. , 58 : 1276
- Yoshizawa , H. , Cowley , R. A. , Shirane , G. , Birgeneau , R. J. , Guggenheim , H. J. and Ikeda , H. 1982 . Random-field effects in two-and three-dimensional Ising antiferromagnets . Phys. Rev. Lett. , 48 : 438
- Young , A. P. and Nauenberg , M. 1985 . Quasicritical behavior and first order transitions in the d =, 3 random Ising model . Phys. Rev. Lett. , 54 : 2429