Low-temperature infrared spectroscopy of H2 in crystalline C60

被引：20

作者：

FitzGerald, SA ^{[1
]}

Churchill, HOH ^{[1
]}

Korngut, PM ^{[1
]}

Simmons, CB ^{[1
]}

Strangas, YE ^{[1
]}

机构：

[1] Oberlin Coll, Dept Phys & Astron, Oberlin, OH 44074 USA

来源：

PHYSICAL REVIEW B | 2006年 / 73卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.73.155409

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Diffuse reflectance infrared spectroscopy is used to measure the quantum dynamics of molecular hydrogen trapped within a C-60 lattice at temperatures as low as 10 K. Crystal field effects in conjunction with rotational translational coupling lead to a rich spectrum with multiply split peaks that are more than an order of magnitude sharper than at room temperature. The induced redshifts in the vibrational-rotational mode frequencies are explained using a simple model in which the state dependence of the H-2 polarizability leads to changes in the C-60-H-2 interaction potential.

引用

页数：7

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