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arxiv: cond-mat/0309400 · v1 · submitted 2003-09-17 · ❄️ cond-mat.supr-con

Raman Studies in MgB2-xCx

T. Sakuntala , S. K. Deb , A. Bharathi , S. Jemima Balaselvi , C. S. Sundar , Y. Hariharan This is my paper
classification ❄️ cond-mat.supr-con
keywords ramancarboncm-1mgb2-xcxappeararisingaroundband
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Raman scattering measurements have been carried out in MgB2-xCx for x=0.0 -0.30. The broad Raman band around 600cm-1 range, which corresponds to the E2g mode in MgB2 is seen to narrow and reduce in intensity with increasing carbon content. For x>0.15, new set of bands appear at 1200 cm-1 possibly arising from the B-C, E2g modes. The decrease in Tc with carbon substitution seems to correlate with this change over.

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