Anisotropic complex permittivity measurements of mono-crystalline rutile between 10 and 300 K

Michael Tobar, J. Krupka, Eugene Ivanov, R.A. Woode

Research output: Contribution to journalArticle

101 Citations (Scopus)

Abstract

The dielectric properties of a single crystal rutile (TiO2) resonator have been measured using whispering gallery modes. Q factors and resonant frequencies were measured from 300 to 10 K. Q factors as high as 10(4), 10(5), and 10(7) were obtained at 300, 80, and 10 K, respectively. Using the whispering gallery mode technique we have determined accurately the loss tangent and dielectric constant of monocrystalline rutile and obtained much more sensitive measurements than previously reported. We show that rutile exhibits anisotropy in both the loss tangent and permittivity over the range from 10 to 300 K. (C) 1998 American Institute of Physics. [S0021-8979(98)03103-X].
Original languageEnglish
Pages (from-to)1604-1609
JournalJournal of Applied Physics
Volume83
Issue number3
DOIs
Publication statusPublished - 1998

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