Scanning tunneling microscopy of charge-density waves in NbSe/sub 3/

Technical Report · Fri Jan 01 04:00:00 EST 1988

OSTI ID:6705880

Slough, G; Giambattista, B; Johnson, A; McNairy, W W; Coleman, R V

The charge-density wave (CDW) structure in NbSe/sub 3/ due to the two independent CDWs has been imaged by scanning tunneling microscopy. As predicted by band structure considerations the CDW modulation is observed to be substantially localized on different chains for the separate CDWs. At 77K where only the high temperature CDW exists a relatively weak modulation with a single component along the /bar b/-axis is observed. At 4.2K the low temperature CDW contributes a much stronger /approximately/4/bar b//sub 0/ /times/ 2/rvec c//sub 0/ superlattice modulation. The combination of atomic resolution and CDW modulations allows an unambiguous identification of the chain structure to be made. 9 refs., 5 figs.

• Research Organization: Virginia Univ., Charlottesville (USA). Dept. of Physics
• DOE Contract Number: FG05-84ER45072
• OSTI ID: 6705880
• Report Number(s): DOE/ER/45072-32; ON: DE89003033
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360102* -- Metals & Alloys-- Structure & Phase Studies
656002 -- Condensed Matter Physics-- General Techniques in Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CHALCOGENIDES
CHARGE DENSITY
CROSS SECTIONS
CRYSTAL STRUCTURE
IMAGES
NIOBIUM COMPOUNDS
NIOBIUM SELENIDES
REFRACTORY METAL COMPOUNDS
SELENIDES
SELENIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS