AN ALMOST FREE METHYL QUANTUM ROTOR IN P-TERT-BUTYLCALIX [4] ARENE(1/1)TOLUENE

被引：15

作者：

CACIUFFO, R

FRANCESCANGELI, O

MELONE, S

PRAGER, M

UGOZZOLI, F

ANDREETTI, GD

AMORETTI, G

CODDENS, G

BLANK, H

机构：

[1] FORSCHUNGSZENTRUM JULICH, INST FESTKORPERFORSCH, W-5170 JULICH 1, GERMANY

[2] UNIV PARMA, IST CHIM GEN & INORGAN, I-43100 PARMA, ITALY

[3] CNR, CTR STRUTT DIFFRATTOMETR, PARMA, ITALY

[4] UNIV PARMA, IST STRUTT CHIM, I-43100 PARMA, ITALY

[5] UNIV PARMA, DIPARTIMENTO FIS, I-43100 PARMA, ITALY

[6] CENS, LAB LEON BRILLOUIN, F-91190 GIF SUR YVETTE, FRANCE

[7] INST MAX VON LAUE PAUL LANGEVIN, F-38042 GRENOBLE, FRANCE

来源：

PHYSICA B-CONDENSED MATTER | 1992年 / 180卷

关键词：

D O I：

10.1016/0921-4526(92)90436-V

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The low temperature inelastic neutron scattering cross-section of p-tert-butylcalix[4]arene(1:1)toluene shows several bands between 0.16 and 2.55 meV, which are interpreted as due to transitions between tunneling-split librational states of the methyl group belonging to the toluene molecule. The rotational barrier provided by the host lattice is particularly small so that the system approaches the behaviour of a quantum-mechanically free rotor.

引用

页码：691 / 693

页数：3

共 12 条

[1] ONE-DIMENSIONAL CH3-QUANTUMROTATOR IN SOLID 4-METHYL-PYRIDINE STUDIED BY INELASTIC NEUTRON-SCATTERING [J].