HOW FETI ABSORBS HYDROGEN

被引:52
作者
SCHLAPBACH, L [1 ]
SEILER, A [1 ]
STUCKI, F [1 ]
ZURCHER, P [1 ]
FISCHER, P [1 ]
SCHEFER, J [1 ]
机构
[1] ETH ZURICH,INST REAKTORTECH,CH-5303 WURENLINGEN,SWITZERLAND
来源
ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-WIESBADEN | 1979年 / 117卷
关键词
Magnetism; Metal hydrides; Surface segregation structure;
D O I
10.1524/zpch.1979.117.117.205
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We have investigated the surface and magnetic properties of FeTi and their variation upon heat treatment and hydrogénation by means of XPS, AES, photoelectron spinpolarization-and magnetic susceptibility measurements. The structure of FeTiDx (0≦x ≦1.9) was investigated by means of the neutron diffraction technique.We explain the activation process, poisoning with oxygen and reactivation, the “oxygen sealing” of the hydrided FeTi and the irreversible change of the magnetic properties upon hydrogénation, by surface segregation and decomposition of the original surface. © 1979, Akademische Verlagsgesellschaft.
引用
收藏
页码:205 / 220
页数:16
相关论文
共 31 条
  • [1] Alvarado S. F., 1978, Photoemission and the electronic properties of surfaces, P437
  • [2] NEW HYDROGEN STORAGE ELECTRODE
    BRONOEL, G
    SARRADIN, J
    BONNEMAY, M
    PERCHERON, A
    ACHARD, JC
    SCHLAPBACH, L
    [J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 1976, 1 (03) : 251 - 254
  • [3] CORE AND VALENCE LEVEL PHOTOEMISSION STUDIES OF IRON-OXIDE SURFACES AND OXIDATION OF IRON
    BRUNDLE, CR
    CHUANG, TJ
    WANDELT, K
    [J]. SURFACE SCIENCE, 1977, 68 (01) : 459 - 468
  • [4] BUSCH G, 1978, HELV PHYS ACTA, V51, P5
  • [5] DWIGHT AE, 1959, T AM I MIN MET ENG, V215, P283
  • [6] FISCHER P, 1978, HELV PHYS ACTA, V51, P4
  • [7] DEUTERIUM STORAGE IN FETI - MEASUREMENT OF DESORPTION ISOTHERMS AND STRUCTURAL STUDIES BY MEANS OF NEUTRON-DIFFRACTION
    FISCHER, P
    HALG, W
    SCHLAPBACH, L
    STUCKI, F
    ANDRESEN, AF
    [J]. MATERIALS RESEARCH BULLETIN, 1978, 13 (09) : 931 - 946
  • [8] FISCHER P, 1977, HELV PHYS ACTA, V50, P421
  • [9] FURRER A, 1978, 1977 P INT S HYDR EN
  • [10] IRREVERSIBLE CHANGE OF MAGNETIC-PROPERTIES OF TIFE BY HYDROGENATION
    HEMPELMANN, R
    WICKE, E
    [J]. BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 1977, 81 (04): : 425 - 429