CROSS POLARIZATION FROM LASER-POLARIZED SOLID XENON TO (CO2)-C-13 BY LOW-FIELD THERMAL MIXING

被引：79

作者：

BOWERS, CR ^{[1
]}

LONG, HW ^{[1
]}

PIETRASS, T ^{[1
]}

GAEDE, HC ^{[1
]}

PINES, A ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY,DIV CHEM,BERKELEY,CA 94720

来源：

CHEMICAL PHYSICS LETTERS | 1993年 / 205卷 / 2-3期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0009-2614(93)89223-5

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The first observation of nuclear spin polarization enhancement in a molecular species by coupling to laser-polarized xenon is reported. The spins of (CO2)-C-13 were cooled by inclusion into the xenon solid followed by thermal mixing in magnetic fields comparable to the heteronuclear dipolar interactions. High-field NMR detection yielded enhancement factors of up to 200. Moreover, a change in the sense of the helicity of the optical pumping light results in a sign reversal of the spin temperature and hence an inversion of the C-13 NMR signal.

引用

页码：168 / 170

页数：3

共 11 条

[1] SPIN TEMPERATURE [J].