Resonant surface magnetic x-ray diffraction from Co3Pt(111)

被引:47
作者
Ferrer, S [1 ]
Fajardo, P [1 ]
deBergevin, F [1 ]
Alvarez, J [1 ]
Torrelles, X [1 ]
vanderVegt, HA [1 ]
Etgens, VH [1 ]
机构
[1] CNRS,CRYSTALLOG LAB,F-38042 GRENOBLE 09,FRANCE
关键词
D O I
10.1103/PhysRevLett.77.747
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Surface magnetic x-ray diffraction experiments have been done on the (111) surface of the ferromagnetic alloy Co3Pt. This has been achieved by tuning the photon energy to the L(III) absorption edge of Pt in order to benefit from the increased magnetic cross section at resonance. Analysis of the data reveals that the magnetism of the Pt atoms on the first atomic layer is smaller by about a factor of 2 than that of the Pt atoms in the bulk, the reason probably being the reduced Co concentration at the surface.
引用
收藏
页码:747 / 750
页数:4
相关论文
共 13 条
[1]   X-RAY-FLUORESCENCE YIELDS, AUGER, AND COSTER-KRONIG TRANSITION PROBABILITIES [J].
BAMBYNEK, W ;
SWIFT, CD ;
CRASEMANN, B ;
FREND, HU ;
RAO, PV ;
PRICE, RE ;
MARK, H ;
FINK, RW .
REVIEWS OF MODERN PHYSICS, 1972, 44 (04) :716-+
[2]   ANTIFERROMAGNETIC LAYER FORMATION IN UAS [J].
BERNHOEFT, N ;
STUNAULT, A ;
VETTIER, C ;
DEBERGEVIN, F ;
GIBBS, D ;
THURSTON, TR ;
SHAPIRO, SM ;
HASTINGS, JB ;
DALMAS, P ;
HELGESEN, G ;
VOGT, O .
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1995, 140 :1421-1422
[3]   X-RAY RESONANT SCATTERING IN THE FERROMAGNET COPT [J].
DEBERGEVIN, F ;
BRUNEL, M ;
GALERA, RM ;
VETTIER, C ;
ELKAIM, E ;
BESSIERE, M ;
LEFEBVRE, S .
PHYSICAL REVIEW B, 1992, 46 (17) :10772-10776
[4]   OBSERVATION OF MAGNETIC SUPERLATTICE PEAKS BY X-RAY-DIFFRACTION ON AN ANTIFERROMAGNETIC NIO CRYSTAL [J].
DEBERGEVIN, F ;
BRUNEL, M .
PHYSICS LETTERS A, 1972, A 39 (02) :141-+
[5]   X-RAY RESONANT MAGNETIC SCATTERING FROM SURFACES [J].
FASOLINO, A ;
CARRA, P ;
ALTARELLI, M .
PHYSICAL REVIEW B, 1993, 47 (07) :3877-3881
[6]   SURFACE DIFFRACTION BEAMLINE AT ESRF [J].
FERRER, S ;
COMIN, F .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1995, 66 (02) :1674-1676
[7]   LEED STUDY OF PT25CO75(111) [J].
GAUTHIER, Y ;
BAUDOINGSAVOIS, R ;
ROSINK, JJWM ;
SOTTO, M .
SURFACE SCIENCE, 1993, 297 (02) :193-201
[8]   POLARIZATION AND RESONANCE PROPERTIES OF MAGNETIC-X-RAY SCATTERING IN HOLMIUM [J].
GIBBS, D ;
HARSHMAN, DR ;
ISAACS, ED ;
MCWHAN, DB ;
MILLS, D ;
VETTIER, C .
PHYSICAL REVIEW LETTERS, 1988, 61 (10) :1241-1244
[9]   RECONSTRUCTION OF THE PT(111) SURFACE - X-RAY-SCATTERING MEASUREMENTS [J].
GRUBEL, G ;
HUANG, KG ;
GIBBS, D ;
ZEHNER, DM ;
SANDY, AR ;
MOCHRIE, SGJ .
PHYSICAL REVIEW B, 1993, 48 (24) :18119-18139
[10]   X-RAY RESONANCE EXCHANGE SCATTERING [J].
HANNON, JP ;
TRAMMELL, GT ;
BLUME, M ;
GIBBS, D .
PHYSICAL REVIEW LETTERS, 1988, 61 (10) :1245-1248