X-RAY-DIFFRACTION AND SCANNING-TUNNELING-MICROSCOPY STUDIES OF A LIQUID-CRYSTAL FILM ADSORBED ON SINGLE-CRYSTAL GRAPHITE

被引：14

作者：

DAI, P

WANG, SK

TAUB, H

BUCKLEY, JE

EHRLICH, SN

LARESE, JZ

BINNIG, G

SMITH, DPE

机构：

[1] PURDUE UNIV,SCH MAT ENGN,W LAFAYETTE,IN 47907

[2] BROOKHAVEN NATL LAB,UPTON,NY 11973

[3] IBM CORP,PHYS GRP,W-8000 MUNICH,GERMANY

来源：

PHYSICAL REVIEW B | 1993年 / 47卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.47.7401

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Synchrotron x-ray-diffraction and scanning-tunneling-microscopy (STM) experiments reveal a new commensurate monolayer structure of 10CB (decylcyanobiphenyl) molecules adsorbed on the (0001) graphite surface. Our results are consistent with two generic structures for nCB monolayers on surfaces of hexagonal symmetry. The monolayer d spacing of the new phase inferred by STM is 10% larger than that obtained by x-ray diffraction on the same sample. We suggest that part of this discrepancy results from a systematic error introduced in calibration of the STM length scale against the graphite substrate.

引用

页码：7401 / 7407

页数：7

共 17 条

[1]

Barnes C, COMMUNICATION

[2]

DAI P, UNPUB

[3] SURFACE-STRUCTURE DETERMINATION BY X-RAY-DIFFRACTION [J].