Condensation of helium in nanotube bundles

被引：117

作者：

Cole, MW ^{[1
]}

Crespi, VH

Stan, G

Ebner, C

Hartman, JM

Moroni, S

Boninsegni, M

机构：

[1] Penn State Univ, Dept Phys, Davey Lab 104, University Pk, PA 16802 USA

[2] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[3] Univ Rome La Sapienza, INFM, Rome, Italy

[4] San Diego State Univ, Dept Phys, San Diego, CA 92182 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 17期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.84.3883

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Helium atoms are strongly attracted to the interstitial channels within a bundle of carbon nanotubes. The strong corrugation of the axial potential within a channel can produce a lattice gas system wherein the weak mutual attraction between atoms in neighboring channels induces a transition to an anisotropic condensed phase. At low temperatures, the specific heat of the adsorbate phase (with fewer than 2% of the atoms) greatly exceeds that of the host.

引用

页码：3883 / 3886

页数：4

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