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Digitale Medien

An apparatus for NMR of laser polarized 129Xe on single crystal surfaces (2000)

Stahl, D. ; Jänsch, H.J.

Springer

Hyperfine interactions 127 (2000), S. 469-474

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Details

ISSN: 1572-9540

Schlagwort(e): NMR ; single crystal surfaces ; optical pumping of Rb ; hyperpolarized 129Xe ; laser polarized 129Xe

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Due to a lack of at least 2 orders of magnitude in the amount of sample nuclei, single crystal surfaces are out of reach for conventional NMR measurements. Our aim is to prove that highly polarized 129Xe provides a technique to overcome this restriction. Therefore an apparatus for polarizing 129Xe up to 0.7 by spin transfer from optically pumped Rb has been designed as well as an NMR spectrometer in combination with a UHV chamber with sample cleaning, cooling and characterization abilities and a special manifold of glass stopcocks with a liquid nitrogen cooled trap for dosing nitrogen free polarized Xe into the chamber onto the surface.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1012630120408

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