ORIGIN OF COERCIVITY IN (FE,CO)-BASED GRANULAR FILMS

被引:28
作者
TSOUKATOS, A [1 ]
WAN, H [1 ]
HADJIPANAYIS, GC [1 ]
PAPAEFTHYMIOU, V [1 ]
KOSTIKAS, A [1 ]
SIMOPOULOS, A [1 ]
机构
[1] DEMOKRITOS NRC,INST MAT SCI,GR-60228 ATHENS,GREECE
关键词
D O I
10.1063/1.352399
中图分类号
O59 [应用物理学];
学科分类号
摘要
The magnetic behavior of Co and Fe granular films was studied relative to their host matrix environment (BN, SiO2). The crystal structure of Co and Fe in the as-deposited samples is alpha-Co (hcp) and alpha-Fe (bcc) respectively, with particle sizes ranging between 3 and 9 nm. The coercivities measured ranged from a few tens to a few hundreds Oe, with the higher values observed for particles embedded in the oxygen based matrix.
引用
收藏
页码:6967 / 6969
页数:3
相关论文
共 12 条
  • [1] Abeles B., 1976, APPL SOLID STATE SCI, V6, P1
  • [2] ABELES B, 1976, ADV PHYS, V47, P2200
  • [3] Bunsen R., 1852, J PRAKT CHEM, V56, P53, DOI DOI 10.1002/PRAC.18520560106
  • [4] PHASE-SEPARATED FE AND CO PARTICLES IN A BN MATRIX
    EDELSTEIN, AS
    DAS, BN
    HOLTZ, RL
    KOON, NC
    RUBINSTEIN, M
    WOLF, SA
    KIHLSTROM, KE
    [J]. JOURNAL OF APPLIED PHYSICS, 1987, 61 (08) : 3320 - 3322
  • [5] MAGNETIC-PROPERTIES OF ULTRAFINE IRON PARTICLES
    GANGOPADHYAY, S
    HADJIPANAYIS, GC
    DALE, B
    SORENSEN, CM
    KLABUNDE, KJ
    PAPAEFTHYMIOU, V
    KOSTIKAS, A
    [J]. PHYSICAL REVIEW B, 1992, 45 (17): : 9778 - 9787
  • [6] KIM G, 1987, J COLLOID INTERF SCI, V116, P43
  • [7] GRANULAR METAL-FILMS AS RECORDING MEDIA
    LIOU, SH
    CHIEN, CL
    [J]. APPLIED PHYSICS LETTERS, 1988, 52 (06) : 512 - 514
  • [8] TANDEM DEPOSITION OF SMALL METAL-PARTICLE COMPOSITES
    LOGOTHETIS, EM
    KAISER, WJ
    PLUMMER, HK
    SHINOZAKI, SS
    [J]. JOURNAL OF APPLIED PHYSICS, 1986, 60 (07) : 2548 - 2552
  • [9] FABRICATION AND INSITU X-RAY PHOTOELECTRON-SPECTROSCOPY OF GRANULAR METAL THIN-FILMS
    SHAH, SI
    DOELE, BA
    WEERASEKERA, I
    UNRUH, KM
    [J]. THIN SOLID FILMS, 1991, 206 (1-2) : 264 - 268
  • [10] THEORY FOR THE DIELECTRIC FUNCTION OF GRANULAR COMPOSITE MEDIA
    SHENG, P
    [J]. PHYSICAL REVIEW LETTERS, 1980, 45 (01) : 60 - 63