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High resolution 11B NMR of magnesium diboride using cryogenic magic angle spinning
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10.1063/1.4751476
/content/aip/journal/jcp/137/11/10.1063/1.4751476
http://aip.metastore.ingenta.com/content/aip/journal/jcp/137/11/10.1063/1.4751476
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Comparison of the 11B MAS (dashed grey line) and static spectra (solid black line) for a dilute sample of MgB2 (see text). (a) Normal state, 8.5 T, ω r /2π = 22 kHz MAS. (b) SC state, 8.5 T, ω r /2π = 11.2 kHz MAS. (c) Normal state, 4.7 T, ω r /2π = 22 kHz MAS. (d) SC state, 4.7 T, ω r /2π = 15 kHz MAS.

Image of FIG. 2.
FIG. 2.

11B peak position for MgB2 versus temperature for static (triangles and dashed error bars) and MAS (squares and solid error bars) data. (a) 8.5 T. (b) 4.7 T. The confidence limits are the linewidths (half-width half-maximum).

Image of FIG. 3.
FIG. 3.

1/T 1 versus temperature for MgB2 at (a) 4.7 T and static, (b) 4.7 T and spinning, (c) 8.5 T and static, (d) 8.5 T and spinning. Linear fits of data points above T c are field independent, with T 1 T = (152 ± 5) s K.

Image of FIG. 4.
FIG. 4.

Static 1/T 1 versus temperature data for Mg(B0.94C0.06)2 at (a) 4.7 T and (b) 8.5 T. From linear fits of data points above T c , T 1 T = (160 ± 18) s K.

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/content/aip/journal/jcp/137/11/10.1063/1.4751476
2012-09-21
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High resolution 11B NMR of magnesium diboride using cryogenic magic angle spinning
http://aip.metastore.ingenta.com/content/aip/journal/jcp/137/11/10.1063/1.4751476
10.1063/1.4751476
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