Submillimeter spectroscopy of tilted Nd1.85Ce0.15CuO4-delta films: Observation of a mixed ac-plane excitation

Authors
Pimenov, A Pronin, AV Loidl, A Kampf, AP Krasnosvobodtsev, SI Nozdrin, VS
Citation
A. Pimenov et al., Submillimeter spectroscopy of tilted Nd1.85Ce0.15CuO4-delta films: Observation of a mixed ac-plane excitation, APPL PHYS L, 77(3), 2000, pp. 429-431
Citations number
16
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
APPLIED PHYSICS LETTERS
ISSN journal
00036951 → ACNP
Volume
77
Issue
3
Year of publication
2000
Pages
429 - 431
Database
ISI
SICI code
0003-6951(20000717)77:3<429:SSOTNF>2.0.ZU;2-Y
Abstract
The anisotropic conductivity of a series of tilted Nd1.85Ce0.15CuO4-delta t hin films was measured by quasioptical spectroscopy in the frequency range 6 cm(-1)<nu < 40 cm(-1). Two characteristic features have been observed in the low-temperature transmission spectra. The first one at nu=12 cm(-1) was shown to reflect the c-axis plasma frequency of Nd1.85Ce0.15CuO4-delta. Th e second feature represents a mixed ab-plane/c-axis excitation. The frequen cy of this resonance may be changed in a controllable way by rotating the p olarization of the incident radiation. (C) 2000 American Institute of Physi cs. [S0003-6951(00)03629-9].