Magnetic phase evolution in Fe substituted GdBaCo2O5.5

Journal of Magnetism and Magnetic Materials

Volumn 322, Issue 1, 2010, Pages 152-157

  Thirumurugan, N ^a   Bharathi, A ^a   Sundar, C S ^a  

^a INDIRA GANDHI CENTRE FOR ATOMIC RESEARCH   (India)

Author keywords

Cobaltates; Magnetization; Magnetoresistance; Phase separation

Indexed keywords

COBALTATES; FERROMAGNETIC PHASE; FERROMAGNETIC PHASE TRANSITION; FERROMAGNETIC PHASIS; ISOTHERMAL MAGNETIZATION; LOW CONCENTRATIONS; LOW TEMPERATURES; MAGNETIC PHASE; NEGATIVE MAGNETO-RESISTANCE; PARAMAGNETIC STATE; ZERO-FIELD COOLED MAGNETIZATION;

ELECTRIC RESISTANCE; FERROMAGNETIC MATERIALS; FERROMAGNETISM; MAGNETIC FIELD EFFECTS; MAGNETIZATION; MAGNETOELECTRONICS; MAGNETORESISTANCE; MAGNETOS; MAGNETS; PHASE MODULATION; PHASE TRANSITIONS;

PHASE SEPARATION;

EID: 70349961732     PISSN: 03048853     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jmmm.2009.09.007     Document Type: Article

References (28)

1. Troyanchuk I.O., Kasper N.V., Khalyavin D.D., Szymczak H., Szymczak R., and Baran M. Phys. Rev. Lett. 80 (1998) 3380
2. Taskin A.A., Lavrov A.N., and Ando Y. Phys. Rev. B 71 (2005) 134414
3. Taskin A.A., and Ando Y. Phys. Rev. Lett. 95 (2005) 176603
4. Maignan A., Caignaert V., Raveau B., Khomskii D., and Sawatzky G. Phys. Rev. Lett. 93 (2004) 026401
5. Khalyavin D.D., Argynou D.N., Amman U., Yarenchenko A.A., and Kharton V.V. Phys. Rev. B 75 (2007) 134407
6. Khalyavin D.D. Phys. Rev. B 72 (2005) 134408
7. Moritomo Y., Akimoto T., Takeo M.M., Machida A., Nishibori E., Takata M., Sakata M., Ohoyamaand K., and Nakamura A. Phys. Rev. B 61 (2000) R13325
8. Pomjakushina E., Conder K., and Pomjakushin V. Phys. Rev. B 73 (2006) 113105
9. Jorgensen J.E., and Keller L. Phys. Rev. B 77 (2008) 024427
10. Garcia-Fernadez M., Scagnoli V., Staub U., Mulders A.M., Janousch M., Bodenthin Y., Meister D., Patterson B.D., Mirone A., Tanaka Y., Nokamura T., Greiner S., Huang Y., and Conder K. Phys. Rev. B 78 (2008) 054424
11. Chernyshov D., Dmitriev V., Pomjakushina E., Conder K., Stingaciu M., Pomjakushin V., Podlesnyak A., Taskin A.A., and Ando Y. Phys. Rev. B 78 (2008) 024105
12. Luetkens H., Stingaciu M., Pashkevich Yu.G., Conder K., Pomjakushina E., Gusev A.A., Lamomova K.V., Lemmens P., and Klauss H.H. Phys. Rev. Lett. 101 (2008) 017601
13. Bharathi A., Yasodha P., Gayathri N., Satya A.T., Nagendran R., Thirumurugan N., Sundar C.S., and Hariharan Y. Phys. Rev. B 77 (2008) 085113
14. Yasodha P., Gayathri N., Bharathi A., Premila M., Sundar C.S., and Hariharan Y. Solid State Commun. 144 (2007) 215
15. Janaki J., Bharathi A., Gayathri N., Yasodha P., Premila M., Sastry V.S., and Hariharan Y. Physica B 403 (2008) 631
16. Tang Y.-k., and Almasan C.C. Phys. Rev. B 77 (2008) 094403
17. Kopcewicz M., Khalyavin D.D., Troyanchuk I.O., Smymmczak H., Smymczak R., Logvinovich D.J., and Naumovich E.N. J. Appl. Phys. 93 (2003) 479
18. Troyanchuk I.O., Karpinsky D.V., and Yokaichiya F. J. Phys.: Condens. Matter 20 (2008) 335228
19. Thirumurugan N., Yasodha P., Bharathi A., Nagendran R., and Hariharan Y. Proc. DAE Solid State Phys. Symp. 1119 (2007) 52
20. W. Krause, G. Nolze, Powder Cell for windows, version 2.3 (1999).
21. Bancroft G.M. Mossbauer Spectroscopy: An Introduction for Inorganic Chemists and Geochemists (1973), Wiley and sons, New York. http://serc.carleton.edu/research_education/geochemsheets/techniques/mossbauer.html p. 257, M. Darby Dyar, 〈http://serc.carleton.edu/research_education/geochemsheets/techniques/mossbauer.html〉
22. 2+ in octahedral co-ordination will be ∼1.2 mm/s and ∼2.5 mm respectively [21]. This large difference in the isomer shift and quadrupolar splitting for the two ionic states of Fe enables the determination of the valence state of Fe clearly.
23. Conder K., Pomjakushina E., Soldatov A., and Miltberg E. Mater. Res. Bull. 40 (2005) 257
24. Fullerton E.E., Jiang J.S., and Bader S.D. J. Magn. Magn. Mater. 200 (1999) 392
25. Zeng H., Li J., Wang Z.L., and Sun S. Nature 420 (2002) 395
26. Seikh M.M., Raveau B., Caignaert V., and Pralong V. J. Magn. Magn. Mater. 320 (2008) 2676
27. Roy S., Dubenko I.S., Khan M., Condon E.M., Craig J., and Ah N. Phys. Rev. B 71 (2005) 024419
28. Luo X., Xing W., Li Z., Wu G., and Chen X. Phys. Rev. B 75 (2007) 054413