S. L. Swartz, M. T. Lanagan, W. A. Schulze, L. E. Cross, W. N. Lawless

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16 Scopus citations


Strontium titanate glass-ceramics have been investigated for possible application as low-loss dielectric materials at microwave and millimeter wave frequencies. Under suitable crystallization conditions, these glass-ceramics exhibit temperature compensated dielectric permittivity, a consequence of the balance between the negative temperature coefficient of the SrTiO//3 crystalline phase and the positive temperature coefficient of the residual alumino-silicate glass phase. Temperature coefficients of less than 10 ppm/ degree C with dielectric constants in the range of 16-18 have been achieved over a temperature range of minus 55 to 125 degree C. Dielectric losses at frequencies up to 4 MHz are extremely low (tan delta less than 0. 0005). However, the losses increase as the frequency approaches the millimeter wave region, indicating that these glass-ceramics might not be acceptable as millimeter wave dielectrics.

Original languageEnglish (US)
Pages (from-to)313-318
Number of pages6
Issue number1-4
StatePublished - 1983
EventIEEE Int Symp on Appl of Ferroelectr (ISAF) 1983, Pt 2 - Gaitherburg, MD, USA
Duration: Jun 1 1983Jun 3 1983

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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