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Volumn 66, Issue 18, 2002, Pages 1-4

Anisotropic resistivity and Hall effect in (formula presented) single crystals

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EID: 84880320165     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.66.180504     Document Type: Article
Times cited : (4)

References (35)
  • 26
    • 0036785699 scopus 로고    scopus 로고
    • The out-of-plane resistance was also measured on sample 4 with uniform current directed along the c axis. Due to uncertainty in contact geometry arising from the small crystal size we could not obtain reliable (formula presented) values from this experiment. Its temperature dependence exactly coincides with (formula presented) for sample 1 extracted from the Montgomery-type analysis. Very similar (formula presented) dependence was also obtained by
    • The out-of-plane resistance was also measured on sample 4 with uniform current directed along the c axis. Due to uncertainty in contact geometry arising from the small crystal size we could not obtain reliable (formula presented) values from this experiment. Its temperature dependence exactly coincides with (formula presented) for sample 1 extracted from the Montgomery-type analysis. Very similar (formula presented) dependence was also obtained by T. Masui, S. Lee, A. Yamamoto, and S. Tajima, Physica C 378-381, 216 (2002).
    • (2002) Physica C , vol.378-381 , pp. 216
    • Masui, T.1    Lee, S.2    Yamamoto, A.3    Tajima, S.4
  • 27
    • 0036612189 scopus 로고    scopus 로고
    • As reported by
    • As reported by T. Masui, S. Lee, K. Yoshida, A. Yamamoto, and S. Tajima, Phys. Rev. B 65, 214513 (2002), the apparent high Debye temperature obtained from a simple Bloch-Grüneisen analysis may result from a strong contribution of a high-frequency phonon mode.
    • (2002) Phys. Rev. B , vol.65 , pp. 214513
    • Masui, T.1    Lee, S.2    Yoshida, K.3    Yamamoto, A.4    Tajima, S.5
  • 33
    • 85038291629 scopus 로고    scopus 로고
    • Our observation is in contrast to the previous studies of (formula presented) thin films (Refs. 19 and 20), where linear dependence of (formula presented) on (formula presented) was found in a broader temperature range up to 300 K. This difference may be understood if one takes into account the possibility of a mixture in polycrystalline (formula presented) samples of positive and negative in- and out-of-plane Hall responses with slightly different T dependencies
    • Our observation is in contrast to the previous studies of (formula presented) thin films (Refs. 19 and 20), where linear dependence of (formula presented) on (formula presented) was found in a broader temperature range up to 300 K. This difference may be understood if one takes into account the possibility of a mixture in polycrystalline (formula presented) samples of positive and negative in- and out-of-plane Hall responses with slightly different T dependencies.


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