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Volumn 81, Issue 20, 2010, Pages

Electronic structure and anomalous band-edge absorption feature in multiferroic MnWO4: An optical spectroscopic study

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Indexed keywords


EID: 77955750391     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.81.205111     Document Type: Article
Times cited : (21)

References (40)
  • 1
    • 22244450797 scopus 로고    scopus 로고
    • 10.1088/0022-3727/38/8/R01
    • M. Fiebig, J. Phys. D 38, R123 (2005). 10.1088/0022-3727/38/8/R01
    • (2005) J. Phys. D , vol.38 , pp. 123
    • Fiebig, M.1
  • 3
    • 69849100381 scopus 로고    scopus 로고
    • 10.1080/00018730902920554
    • K. F. Wang, J. M. Liu, and Z. F. Ren, Adv. Phys. 58, 321 (2009). 10.1080/00018730902920554
    • (2009) Adv. Phys. , vol.58 , pp. 321
    • Wang, K.F.1    Liu, J.M.2    Ren, Z.F.3
  • 16
  • 30
    • 77955720436 scopus 로고    scopus 로고
    • Using the complex dielectric constants obtained from ITMM in the transparent photon-energy region, we calculated a modified R (ω) which should be measured for a thick sample where transmittance is negligible. The modified R (ω) was used for the KK analyses.
    • Using the complex dielectric constants obtained from ITMM in the transparent photon-energy region, we calculated a modified R (ω) which should be measured for a thick sample where transmittance is negligible. The modified R (ω) was used for the KK analyses.
  • 36
    • 77955733528 scopus 로고    scopus 로고
    • 4 up to ∼17 T are absent, we cannot assign the origin of the ∼17 T phase transition at this moment.
    • Previously, the magnetoelectric phase diagram of MnWO 4 for H c was reported from electric and structural property measurements (Ref.). It showed a transition at around 4 T at low temperature. However, our optical data do not show any change at ∼ 4 T, again suggesting that the electric property is irrelevant to the ∼ 2.2 eV peak. Because other relevant data on MnWO 4 up to ∼ 17 T are absent, we cannot assign the origin of the ∼ 17 T phase transition at this moment.
  • 38


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