HIGH-RESOLUTION ELECTRON-MICROSCOPIC OBSERVATION OF FERROMAGNETIC AMORPHOUS FERRITES IN CAO-BI2O3-FE2O3 AND LI2O-BI2O3-FE2O3 SYSTEMS

被引：9
|
作者：
NAKAMURA, S
HIROTSU, Y
ICHINOSE, N
机构：
[1] WASEDA UNIV,DEPT SCI & ENGN,SHINJUKU KU,TOKYO 169,JAPAN
[2] TECH UNIV NAGAOKA,DEPT MECH ENGN,NAGAOKA 94954,JAPAN
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1991年 / 30卷 / 5A期
关键词：
AMORPHOUS FERRITES; HIGH RESOLUTION ELECTRON MICROSCOPY; FERRIMAGNET; SPEROMAGNET; MICROCRYSTALLINE DOMAINS; MAGNETIC 2 PHASE MODEL;
D O I：
10.1143/JJAP.30.L844
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
High resolution electron microscopic (HREM) observation was carried out for the ferromagnetic amorphous ferrites in the CaO-Bi2O3-Fe2O3 and Li2O-Bi2O3-Fe2O3 systems. Although diffuse halo patterns were taken in electron diffraction, the HREM images revealed that microcrystalline domains extending to several nanometers were densely formed in these specimens. The result is consistent with our previous studies by static magnetic measurements and Fe-57 Mossbauer spectra analysis. "Magnetic two phase model" that consists of a disordered speromagnetic phase and a microcrystalline ferrimagnetic phase is proposed for the ferromagnetic amorphous ferrites.
引用
收藏
页码：L844 / L847
页数：4
相关论文
共 50 条
  • [41] Electron paramagnetic resonance study of Fe2O3-Bi2O3-GeO2 glasses
    Ardelean, I
    Peteanu, M
    Simon, V
    Filip, S
    Ciorcas, F
    Todor, I
    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1999, 196 : 257 - 258
  • [42] AC CONDUCTIVITY OF AMORPHOUS FE2O3-BI3O3 OXIDE GLASSES
    CHAUDHURI, BK
    SOM, KK
    GHOSH, A
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1990, 29 (01): : 120 - 124
  • [43] AC conductivity of amorphous Fe2O3-Bi3O3 oxide glasses
    Chaudhuri, B.K.
    Som, K.K.
    Ghosh, A.
    Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 1990, 29 (01): : 120 - 124
  • [44] Electron paramagnetic resonance of Fe3+ ions in Bi2O3-PbO-Fe2O3 glasses
    Prakash, C
    Husain, S
    Singh, RJ
    Mollah, S
    JOURNAL OF ALLOYS AND COMPOUNDS, 2001, 326 (1-2) : 47 - 49
  • [45] Formation of solid solutions of multiferroics in the Bi2O3-Nd2O3-Fe2O3 system
    Klyndyuk, A. I.
    Tugova, E. A.
    Karpov, O. N.
    Chizhova, E. A.
    Tomkovich, M. V.
    Kononovich, V. M.
    RUSSIAN JOURNAL OF GENERAL CHEMISTRY, 2016, 86 (10) : 2282 - 2287
  • [46] Spin dynamics in oxide glass of Fe2O3-Bi2O3-B2O3 system
    Akamatsu, Hirofumi
    Tanaka, Katsuhisa
    Fujita, Koji
    Murai, Shunsuke
    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2007, 310 (02) : 1506 - 1507
  • [47] Density and surface tension of fused systems of Bi2O3-V2O5, Bi2O3-TiO2 and Bi2O3-B2O3
    Istomin, S.A.
    Belousova, E.A.
    Pastukhov, L.I.
    Serebryakova, L.I.
    Rasplavy, 2001, (02): : 3 - 7
  • [48] Garnet Polyhedron in the Isobaric-Isothermal Y2O3-Bi2O3-Fe2O3-Ga2O3 Tetrahedron
    Nipan, G. D.
    Smirnova, M. N.
    Nikiforova, G. E.
    INORGANIC MATERIALS, 2019, 55 (09) : 934 - 938
  • [49] Study of structure and optical properties of Fe2O3•CaO•Bi2O3 glasses
    Sanghi, Sujata
    Duhan, Sarita
    Agarwal, Ashish
    Aghamkar, Praveen
    JOURNAL OF ALLOYS AND COMPOUNDS, 2009, 488 (01) : 454 - 458
  • [50] Study of structure and optical properties of Fe2O3·CaO·Bi2O3 glasses
    Sanghi, Sujata
    Duhan, Sarita
    Agarwal, Ashish
    Aghamkar, Praveen
    Journal of Alloys and Compounds, 2009, 488 (01): : 454 - 458
12345