Terahertz spectroscopy: a powerful tool to explore scaling in condensed matter

Author

Pronin, A.V. ; Romijn, I.G. ; Brom, H.B.

Author_Institution

Kamerlingh Onnes Lab., Leiden Univ., Netherlands

fYear

2004

fDate

Sept. 27 2004-Oct. 1 2004

Firstpage

249

Abstract

Summary form only given. The universal laws of complex systems close to phase transitions can often be expressed by scaling relations. We measured quantum phase transition metal-insulator-transition (MIT) in yttrium hydride. Yttrium hydride YH/sub x/ shows a remarkable transitions of its electronic and optical properties upon change of hydrogen concentration. Also we demonstrate that terahertz spectroscopy is a perfect tool to explore the frequency-temperature scaling in condensed matter.

Keywords

electron density; high-frequency effects; metal-insulator transition; submillimetre wave spectra; thin films; yttrium compounds; Al/sub 2/O/sub 3/; YH/sub x/; condensed matter scaling; electronic properties; frequency temperature scaling relations; hydrogen concentration; metal-insulator-transition; optical properties; quantum phase transition; terahertz spectroscopy; ultraviolet spectra; yttrium hydride; Dielectric substrates; Fluctuations; Frequency; Insulation; Metal-insulator structures; Optical films; Spectroscopy; Temperature; Thermal conductivity;

fLanguage

English

Publisher

ieee

Conference_Titel

Infrared and Millimeter Waves, 2004 and 12th International Conference on Terahertz Electronics, 2004. Conference Digest of the 2004 Joint 29th International Conference on

Conference_Location

Karlsruhe, Germany

Print_ISBN

0-7803-8490-3

Type

conf

DOI

10.1109/ICIMW.2004.1422048

Filename

1422048