Paramagnetic-ferromagnetic phase transition and magnetic properties of ultrathin CoFe/Cu(110) films

被引：13
|
作者：
Kuepper, D. [1 ]
Easton, S. [1 ]
Bland, J. A. C. [1 ]
机构：
[1] Univ Cambridge, Cavevdish Lab, Cambridge CB3 0HE, England
来源：
JOURNAL OF APPLIED PHYSICS | 2007年 / 102卷 / 08期
关键词：
D O I：
10.1063/1.2795681
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present the results of a systematic investigation of the coverage-dependent magnetic response and anisotropy of ultrathin Co75Fe25/Cu(110) films using the magneto-optic Kerr effect. A paramagnetic-ferromagnetic phase transition is found to occur at a critical thickness d(c)=4.0 +/- 0.25 ML. In the vicinity of d(c), the paramagnetic susceptibility chi follows a power law with a critical exponent of gamma=2.385 +/- 0.069 in excellent agreement with the theoretical value for a perfect two-dimensional geometric percolation phase transition. At the very onset of ferromagnetic order, a mixture of cubic and uniaxial anisotropy was observed. (C) 2007 American Institute of Physics.
引用
收藏
页数：4
相关论文
共 50 条
  • [1] Two-dimensional paramagnetic-ferromagnetic phase transition and magnetic anisotropy in Co(110) epitaxial nanoparticle arrays
    Gu, E
    Hope, S
    Tselepi, M
    Bland, JAC
    PHYSICAL REVIEW B, 1999, 60 (06) : 4092 - 4095
  • [2] Lifshitz scaling effects on the holographic paramagnetic-ferromagnetic phase transition
    B. Binaei Ghotbabadi
    A. Sheykhi
    G. H. Bordbar
    General Relativity and Gravitation, 2021, 53
  • [3] PARAMAGNETIC FERROMAGNETIC PHASE-TRANSITION DURING GROWTH OF ULTRATHIN CO/CU(001) FILMS
    SCHUMANN, FO
    BUCKLEY, ME
    BLAND, JAC
    PHYSICAL REVIEW B, 1994, 50 (22): : 16424 - 16427
  • [4] INFLUENCE OF INHOMOGENEOUS STATES ON PARAMAGNETIC-FERROMAGNETIC PHASE-TRANSITION
    BARYAKHTAR, VG
    KLEPIKOV, VF
    JETP LETTERS-USSR, 1972, 15 (07): : 289 - +
  • [5] Paramagnetic-ferromagnetic phase transition in Fe/Ag nanogranular system
    Hamakake, H
    Wakairo, M
    Ishikawa, M
    Ishii, K
    PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON CLUSTER ASSEMBLED MATERIALS, 2001, 3 : 46 - 49
  • [6] Lifshitz scaling effects on the holographic paramagnetic-ferromagnetic phase transition
    Ghotbabadi, B. Binaei
    Sheykhi, A.
    Bordbar, G. H.
    GENERAL RELATIVITY AND GRAVITATION, 2021, 53 (10)
  • [7] Holographic paramagnetic-ferromagnetic phase transition with Power-Maxwell electrodynamics
    Ghotbabadi, B. Binaei
    Sheykhi, A.
    Bordbar, G. H.
    PHYSICS LETTERS B, 2019, 797
  • [8] The waves of spin and charge densities in diluted magnetic semiconductors near the paramagnetic-ferromagnetic phase transition
    Semenov, YG
    Sokolov, VN
    PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, PTS I AND II, 2001, 87 : 260 - 261
  • [9] Size-dependent paramagnetic-ferromagnetic phase transition in palladium clusters
    Vitos, L
    Johansson, B
    Kollár, J
    PHYSICAL REVIEW B, 2000, 62 (18) : 11957 - 11960
  • [10] Hydrostatic pressure study of the paramagnetic-ferromagnetic phase transition in (Ga,Mn)As
    Gryglas-Borysiewicz, M.
    Kwiatkowski, A.
    Baj, M.
    Wasik, D.
    Przybytek, J.
    Sadowski, J.
    PHYSICAL REVIEW B, 2010, 82 (15)
12345