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Extracting the diffusivity ratio from point contact Andreev reflection spectroscopy and upper critical field measurements in MgB2

The di®usivity ratio ´, which measures the relative intraband scattering in the ¼ and ¾ bands in MgB2 has been determined by ¯tting the Hc2(T) at T » Tc and by Point Contact Andreev Re°ection. We ¯nd a satisfactory agreement between the values for ´ obtained by both methods for c-axis orientated Mg...

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Bibliographic Details
Main Authors: Yates, Karen A., Miyoshi, Y., Grunwell, J., Riggall, K., Bugoslavsky, Y., Chen, Soo Kien, MacManus Driscoll, Judith L., Pogrebnyakov, A. V., Xi, X. X., Cohen, L. F.
Format: Article
Language:English
English
Published: Institute of Physics 2008
Online Access:http://psasir.upm.edu.my/id/eprint/6699/1/Extracting%20the%20diffusivity%20ratio%20from%20point%20contact%20Andreev%20reflection%20spectroscopy%20and%20upper%20critical%20field%20measurements%20in%20MgB2.pdf
http://psasir.upm.edu.my/id/eprint/6699/
http://dx.doi.org/10.1088/1742-6596/97/1/012213
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http://psasir.upm.edu.my/id/eprint/6699/1/Extracting%20the%20diffusivity%20ratio%20from%20point%20contact%20Andreev%20reflection%20spectroscopy%20and%20upper%20critical%20field%20measurements%20in%20MgB2.pdf
http://psasir.upm.edu.my/id/eprint/6699/
http://dx.doi.org/10.1088/1742-6596/97/1/012213

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