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Volumn 67, Issue 9, 2003, Pages

Exchange interactions and anisotropic spin waves in bilayer manganites

Author keywords

[No Author keywords available]

Indexed keywords

FERROMAGNETIC MATERIAL; LANTHANIDE; MANGANESE; MANGANESE DERIVATIVE; MANGANITE; OXYGEN; STRONTIUM; UNCLASSIFIED DRUG;

EID: 0037368265     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.67.092407     Document Type: Article
Times cited : (12)

References (29)
  • 14
    • 85038331275 scopus 로고    scopus 로고
    • We ignore a small difference in the Mn-Mn bond lengths, and thus the intralayer and interlayer hopping on the bonds (formula presented) and (formula presented) are given by the same element
    • We ignore a small difference in the Mn-Mn bond lengths, and thus the intralayer and interlayer hopping on the bonds (formula presented) and (formula presented) are given by the same element t.
  • 17
    • 0000081596 scopus 로고    scopus 로고
    • The, and (formula presented) parameters are given in, and
    • The U and (formula presented) parameters are given in T. Mizokawa and A. Fujimori, Phys. Rev. B54, 5368 (1996).
    • (1996) Phys. Rev. B , vol.54 , pp. 5368
    • Mizokawa, T.1    Fujimori, A.2
  • 21
    • 0001419047 scopus 로고
    • Like the SU(2) invariant formulation for spins:, and
    • Like the SU(2) invariant formulation for spins: R. Frésard and P. Wölfle, Int. J. Mod. Phys. B6, 685 (1992).
    • (1992) Int. J. Mod. Phys. B , vol.6 , pp. 685
    • Frésard, R.1    Wölfle, P.2
  • 22
    • 0001010104 scopus 로고    scopus 로고
    • The value of (formula presented) is somewhat larger than estimated before; (Refs., and,) for (formula presented) it gives the SE constants (formula presented) and (formula presented) in good agreement with the experimental (formula presented) and (formula presented), and
    • The value of (formula presented) is somewhat larger than estimated before; (Refs. 5 and 16) for (formula presented) it gives the SE constants (formula presented) and (formula presented) in good agreement with the experimental (formula presented) and (formula presented) F. Moussa, M. Hennion, G. Biotteau, J. Rodríguez-Carvajal, L. Pinsard, and A. Revcolevschi, Phys. Rev. B60, 12 299 (1999).
    • (1999) Phys. Rev. B , vol.60 , pp. 12 299
    • Moussa, F.1    Hennion, M.2    Biotteau, G.3    Rodríguez-Carvajal, J.4    Pinsard, L.5    Revcolevschi, A.6
  • 24
    • 30244465641 scopus 로고
    • The (formula presented) electron contributions to (formula presented) and (formula presented) depend on the type of occupied (formula presented) orbitals, while the (formula presented) terms depend only on the total electron configuration, as explained in Ref., We have used a Hund’s exchange (formula presented) and (formula presented) for (formula presented) and (formula presented) ions:, and
    • The (formula presented) electron contributions to (formula presented) and (formula presented) depend on the type of occupied (formula presented) orbitals, while the (formula presented) terms depend only on the total electron configuration, as explained in Ref. 7. We have used a Hund’s exchange (formula presented) and (formula presented) for (formula presented) and (formula presented) ions: A E. Bocquet, T. Mizokawa, T. Saitoh, H. Namatame, and A. Fujimori, Phys. Rev. B46, 3771 (1992).
    • (1992) Phys. Rev. B , vol.46 , pp. 3771
    • Bocquet, A.E.1    Mizokawa, T.2    Saitoh, T.3    Namatame, H.4    Fujimori, A.5
  • 25
    • 0001400611 scopus 로고    scopus 로고
    • The operator (formula presented) in the FM term in Eq. (5) projects on the high-spin state and has the general form (formula presented) for a spin-orbital SE model with spin, and
    • The operator (formula presented) in the FM term in Eq. (5) projects on the high-spin state and has the general form (formula presented) for a spin-orbital SE model with spin S: G. Khaliullin and R. Kilian, Phys. Rev. B61, 3494 (2000);
    • (2000) Phys. Rev. B , vol.61 , pp. 3494
    • Khaliullin, G.1    Kilian, R.2
  • 28
    • 85038303954 scopus 로고    scopus 로고
    • At small (formula presented) the KR slave-boson approach [Eq. (4)] overestimates the reduction of the (formula presented) kinetic energy due to electron correlation, and gives too low values of (formula presented)
    • At small (formula presented) the KR slave-boson approach [Eq. (4)] overestimates the reduction of the (formula presented) kinetic energy due to electron correlation, and gives too low values of (formula presented)
  • 29
    • 85038265753 scopus 로고    scopus 로고
    • The SE could also include the second-neighbor interlayer interaction (formula presented) along (formula presented) involving the hopping of (formula presented) electrons via (formula presented) orbitals, and improving the agreement with the experiment for (formula presented) (Ref
    • The SE could also include the second-neighbor interlayer interaction (formula presented) along (formula presented) involving the hopping of (formula presented) electrons via (formula presented) orbitals, and improving the agreement with the experiment for (formula presented) (Ref. 9).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.