X-ray 2p photoelectron and L resonant x-ray emission spectra of the 3d metals in Ni₂MnZ (Z=In,Sn,Sb) Heusler alloys

Abstract

References (58)

Citing Articles

Download: PDF (828 kB) or Buy this Article (US$25) (Use Article Pack)

M. V. Yablonskikh,^1,2 J. Braun,³ M. T. Kuchel,³ A. V. Postnikov,² J. D. Denlinger,⁴ E. I. Shreder,² Y. M. Yarmoshenko,² M. Neumann,⁵ and A. Moewes¹
¹Department of Physics and Engineering Physics, University of Saskatchewan, Saskatoon, Canada S7N 5E2
²Institute of Metal Physics, Russian Academy of Sciences, Ural Division, 620219 Yekaterinburg GSP-170, Russia
³Physikalisches Institut, Westfälische-Wilhelms Universität Münster, Wilhelm-Klemm-Str. 10, D-48149 Münster, Germany
⁴Lawrence Berkeley National Laboratory, Berkeley, California 94720
⁵Department of Physics, Osnabrück University, D-49069 Osnabrück, Germany

Received 21 March 2006; published 1 August 2006

Magneticand chemical bonding effects in Heusler alloys Ni₂MnIn, Ni₂MnSn, andNi₂MnSb were studied by soft x-ray spectroscopy. Exchange splitting detectedin Mn 2p core-level x-ray photoelectron spectra and an increaseof the Mn L/L intensity ratio in nonresonant x-ray emissionspectra show that atomic magnetic moment at Mn is higherthan that of pure metal. Spin polarized density of statescalculations and comparative analysis of Mn and Ni L resonantx-ray emission spectra (RXES) demonstrate that the spin splitting inMn 3d shell is larger than in Ni 3d shell.The d-d transitions observed in L RXES of Mn andNi are suggested to be more intensive for Mn thanfor Ni valence electrons when initiated by off-resonant excitations. Experimentalfindings are supported by photoelectron spectra calculations and developed two-stepmodel of resonant x-ray emission. The interplay between Mn LRXES and calculated magnetic moments of Mn atoms in alloysas a function of the type of Z element isdiscussed.

URL:	http://link.aps.org/doi/10.1103/PhysRevB.74.085103
DOI:	10.1103/PhysRevB.74.085103
PACS:	78.70.En; 75.50.Cc; 71.20.-b 78.70.En X-ray emission spectra and fluorescence (condensed matter) 75.50.Cc Ferromagnetism of nonferrous metals and alloys 71.20.-b Electronic structure of crystalline solids YEAR: 2006
KEYWORDS:	nickel alloys, manganese alloys, indium alloys, tin alloys, antimony alloys, X-ray photoelectron spectra, X-ray emission spectra, exchange interactions (electron), magnetic moments, electron spin polarisation, electronic density of states, valence bands

REFERENCES (58)

View in Separate Window/Tab

For access to fully linked references, you need to log in. For access to fully linked references, you need to Log in.

J. Kübler, A. R. Williams, and C. B. Sommers, Phys. Rev. B 28, 1745 (1983).
I. Galanakis, P. H. Dederichs, and N. Papanikolaou, Phys. Rev. B 66, 134428 (2002).
I. Galanakis, P. H. Dederichs, and N. Papanikolaou, Phys. Rev. B 66, 174429 (2002).
B. Ravel, J. O. Cross, M. P. Raphael, V. G. Harris, R. Ramesh, and V. Saraf, Appl. Phys. Lett. 81, 2812 (2002).
P. R. Hammar, B. R. Bennett, M. J. Yang, and M. Johnson, Phys. Rev. Lett. 83, 203 (1999).
R. A. de Groot, F. M. Mueller, P. G. van Engen, and K. H. J. Buschow, Phys. Rev. Lett. 50, 2024 (1983).
P. A. Dowben and R. Skomski, J. Appl. Phys. 95, 7453 (2004).
M. P. Raphael, B. Ravel, M. A. Willard, S. F. Cheng, B. N. Das, R. M. Stroud, K. M. Bussmann, J. H. Claassen, and V. G. Harris, Appl. Phys. Lett. 79, 4396 (2001).
K. A. Kilian and R. H. Victora, J. Appl. Phys. 87, 7064 (2000).
A. Kotani and S. Shin, Rev. Mod. Phys. 73, 203 (2001).
J. J. Jia, T. A. Callcott, J. Yurkas, A. W. Ellis, F. J. Himpsel, M. G. Samant, J. Stohr, D. L. Ederer, J. A. Carlisle, E. A. Hudson, L. J. Terminello, D. K. Shuh, and R. C. C. Perera, Rev. Sci. Instrum. 66, 1394 (1995).
J. A. Bearden, Rev. Mod. Phys. 39, 78 (1967).
S. Plogmann, T. Schlatholter, J. Braun, M. Neumann, Y. M. Yarmoshenko, M. Yablonskikh, E. I. Shreder, E. Z. Kurmaev, A. Wrona, and A. Slebarski, Phys. Rev. B 60, 6428 (1999).
J. P. Perdew, K. Burke, and M. Ernzerhof, Phys. Rev. Lett. 77, 3865 (1996).
E. Sasioglu, L. M. Sandratskii, and P. Bruno, Phys. Rev. B 70, 024427 (2004).
S. W. Robey, L. T. Hudson, and R. L. Kurtz, Phys. Rev. B 46, 11697 (1992).
D. Brown, M. D. Crapper, K. H. Bedwell, M. T. Butterfield, S. J. Guilfoyle, A. E. R. Malins, and M. Petty, Phys. Rev. B 57, 1563 (1998).
M. Magnuson, J. E. Rubensson, A. Fohlisch, N. Wassdahl, A. Nilsson, and N. Martensson, Phys. Rev. B 68, 045119 (2003).
J. P. Briand, D. Girard, V. O. Kostroun, P. Chevallier, K. Wohrer, and J. P. Mosse, Phys. Rev. Lett. 46, 1625 (1981).
W. Kohn and N. Rostocker, Phys. Rev. 94, 1111 (1954);

Phys. Rev. B 27, 4564 (1983)

ibid. 40, 3694 (1989)

ibid. 42, 1518 (1990)

G. Hörmandinger, P. Weinberger, P. Marksteiner, and J. Redinger, Phys. Rev. B 38, 1040 (1988).
O. K. Andersen and O. Jepsen, Phys. Rev. Lett. 53, 2571 (1983).
S. Picozzi, A. Continenza, and A. J. Freeman, Phys. Rev. B 66, 094421 (2002).
S. Picozzi, A. Continenza, and A. J. Freeman, Phys. Rev. B 69, 094423 (2004).
M. Magnuson, N. Wassdahl, and J. Nordgren, Phys. Rev. B 56, 12238 (1997).
M. V. Yablonskikh, Y. M. Yarmoshenko, V. I. Grebennikov, E. Z. Kurmaev, S. M. Butorin, L.-C. Duda, J. Nordgren, S. Plogmann, and M. Neumann, Phys. Rev. B 63, 235117 (2001).
A. N. Titov, A. V. Kuranov, V. G. Pleschev, Y. M. Yarmoshenko, M. V. Yablonskikh, A. V. Postnikov, S. Plogmann, M. Neumann, A. V. Ezhov, and E. Z. Kurmaev, Phys. Rev. B 63, 035106 (2001).
S. G. Chiuzbaian, G. Ghiringhelli, C. Dallera, M. Grioni, P. Amann, X. Wang, L. Braicovich, and L. Patthey, Phys. Rev. Lett. 95, 197402 (2005).
J. Hafner and D. Hobbs, Phys. Rev. B 68, 014408 (2003).
D. Hobbs, J. Hafner, and D. Spisak, Phys. Rev. B 68, 014407 (2003).
L. Braicovich, G. Ghiringhelli, A. Tagliaferri, G. van der Laan, E. Annese, and N. B. Brookes, Phys. Rev. Lett. 95, 267402 (2005).