Artificially ordered FeCu alloy superlattices on Cu(001). II. Spin-resolved electronic properties and magnetic dichroism

被引：26

作者：

Kuch, W ^{[1
]}

Salvietti, M ^{[1
]}

Gao, XY ^{[1
]}

Lin, MT ^{[1
]}

Klaua, M ^{[1
]}

Barthel, J ^{[1
]}

Mohan, CV ^{[1
]}

Kirschner, J ^{[1
]}

机构：

[1] Max Planck Inst Mikrostrukturphys, D-06120 Halle, Germany

来源：

PHYSICAL REVIEW B | 1998年 / 58卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.58.8556

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Spin-resolved electronic and element-resolved magnetic properties of artificial fee FeCu alloy thin films, grown epitaxially by pulsed-laser deposition in the ordered L1(0) phase on Cu(001), were studied by spin-resolved valence-band photoemission and soft x-ray circular magnetic dichroism. Valence-band photoemission reveals bands which are present due to the reduced periodicity of the layered alloy films. Dichroism measurements attest that the Fe atoms in FeCu are all ferromagnetic, and carry magnetic moments similar to those of ultrathin fee Fe films on Cu(001). The Fe orbital moments are found to be significantly enhanced with respect to pure Fe, with an orbital to spin moment ratio of approximate to 0.12. An increase in the number of Cu 3d holes in the FeCu films as well as induced Cu d moments are observed, which amount to approximate to 0.11 mu(B).

引用

页码：8556 / 8565

页数：10

共 81 条

[1] Magnetically induced crystal structure and phase stability in Fe1-cCoc [J].

Abrikosov, IA ;

James, P ;

Eriksson, O ;

Soderlind, P ;

Ruban, AV ;

Skriver, HL ;

Johansson, B .

PHYSICAL REVIEW B, 1996, 54 (05) :3380-3384

[2]

[Anonymous], UNPUB

[3]

BLAND JAC, 1994, ULTRATHIN MAGNETIC S, V1

[4] CIRCULAR MAGNETIC-X-RAY DICHROISM OF 3D IMPURITIES IN NI [J].

BOSKE, T ;

CLEMENS, W ;

CARBONE, C ;

EBERHARDT, W .

PHYSICAL REVIEW B, 1994, 49 (06) :4003-4009

[5] TIGHT-BINDING APPROACH TO THE ORBITAL MAGNETIC-MOMENT AND MAGNETOCRYSTALLINE ANISOTROPY OF TRANSITION-METAL MONOLAYERS [J].

BRUNO, P .

PHYSICAL REVIEW B, 1989, 39 (01) :865-868

[6] X-RAY CIRCULAR-DICHROISM AND LOCAL MAGNETIC-FIELDS [J].

CARRA, P ;

THOLE, BT ;

ALTARELLI, M ;

WANG, XD .

PHYSICAL REVIEW LETTERS, 1993, 70 (05) :694-697

[7] EXPERIMENTAL CONFIRMATION OF THE X-RAY MAGNETIC CIRCULAR-DICHROISM SUM-RULES FOR IRON AND COBALT [J].

CHEN, CT ;

IDZERDA, YU ;

LIN, HJ ;

SMITH, NV ;

MEIGS, G ;

CHABAN, E ;

HO, GH ;

PELLEGRIN, E ;

SETTE, F .

PHYSICAL REVIEW LETTERS, 1995, 75 (01) :152-155

[8] MAGNETIC-PROPERTIES OF FEXCU100-X SOLID-SOLUTIONS [J].

CHIEN, CL ;

LIOU, SH ;

KOFALT, D ;

YU, W ;

EGAMI, T ;

MCGUIRE, TR .

PHYSICAL REVIEW B, 1986, 33 (05) :3247-3250

[9] MAGNETIC-BEHAVIOR OF METASTABLE FCC FE-CU AFTER THERMAL TREATMENTS [J].

CRESPO, P ;

HERNANDO, A ;

YAVARI, R ;

DRBOHLAV, O ;

ESCORIAL, AG ;

BARANDIARAN, JM ;

ORUE, I .

PHYSICAL REVIEW B, 1993, 48 (10) :7134-7139

[10]

Cullity B.D., 1972, Introduction to Magnetic Materials

← 1 2 3 4 5 6 7 8 9 →