Kondo peak splitting on a single adatom coupled to a magnetic cluster

被引：16

作者：

Kawahara, S. L. ^{[1
]}

Lagoute, J. ^{[1
]}

Repain, V. ^{[1
]}

Chacon, C. ^{[1
]}

Girard, Y. ^{[1
]}

Klein, J. ^{[1
]}

Rousset, S. ^{[1
]}

机构：

[1] Univ Paris 07, Lab Mat & Phenomenes Quant, CNRS, UMR7162, F-75205 Paris 13, France

来源：

PHYSICAL REVIEW B | 2010年 / 82卷 / 02期

关键词：

FIELD; ATOM;

D O I：

10.1103/PhysRevB.82.020406

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Kondo resonance induced by a single cobalt adatom interacting with a ferromagnetic iron nanocluster is measured using low-temperature scanning tunneling microscopy. The persistence of the Kondo resonance is evidenced along with the predicted splitting of the spectral density peak for a Kondo impurity surrounded by a spin-polarized electron bath. Reversible quenching of the split feature is observed using atom manipulation between adjacent adsorption sites. Using a Green's-function formalism, we model a double Fano resonance leading to a quantitative insight of our observations.

引用

页数：4

共 29 条

[1]

[Anonymous], 1993, TheKondo Problem to Heavy Fermions

[2]

CALVO R, 2009, NATURE, V458, P1150

[3] Kondo effect in a quantum dot coupled to ferromagnetic leads:: A numerical renormalization group analysis -: art. no. 056601 [J].

Choi, MS ;

Sánchez, D ;

López, R .

PHYSICAL REVIEW LETTERS, 2004, 92 (05) :4

[4] Kondo effect in a magnetic field and the magnetoresistivity of Kondo alloys [J].

Costi, TA .

PHYSICAL REVIEW LETTERS, 2000, 85 (07) :1504-1507

[5] A tunable Kondo effect in quantum dots [J].

Cronenwett, SM ;

Oosterkamp, TH ;

Kouwenhoven, LP .

SCIENCE, 1998, 281 (5376) :540-544

[6] FANO EFFECT STUDIED WITH USE OF THE RECURSION METHOD [J].

DOLCHER, V ;

GROSSO, G ;

PARRAVICINI, GP .

PHYSICAL REVIEW B, 1992, 46 (15) :9312-9319

[7]

DONATH M, 1991, PHYS REV B, V43, P3164, DOI 10.1103/PhysRevB.43.13164

[8] EFFECTS OF CONFIGURATION INTERACTION ON INTENSITIES AND PHASE SHIFTS [J].

FANO, U .

PHYSICAL REVIEW, 1961, 124 (06) :1866-&

[9] Atomic-scale spin spiral with a unique rotational sense:: Mn monolayer on W(001) [J].

Ferriani, P. ;

von Bergmann, K. ;

Vedmedenko, E. Y. ;

Heinze, S. ;

Bode, M. ;

Heide, M. ;

Bihlmayer, G. ;

Bluegel, S. ;

Wiesendanger, R. .

PHYSICAL REVIEW LETTERS, 2008, 101 (02)

[10] Kondo effect in a single-electron transistor [J].

Goldhaber-Gordon, D ;

Shtrikman, H ;

Mahalu, D ;

Abusch-Magder, D ;

Meirav, U ;

Kastner, MA .

NATURE, 1998, 391 (6663) :156-159

← 1 2 3 →