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Related Concept Videos

Atomic Spectroscopy: Effects of Temperature01:27

Atomic Spectroscopy: Effects of Temperature

Atomization, converting samples into gas-phase atoms and ions, is essential for atomic spectroscopy. The flame temperature required for atomization affects the efficiency of the atomic spectroscopic methods by increasing the atomization efficiency and the relative population of the excited and ground states.
At thermal equilibrium, the relative populations of excited and ground state atoms can be estimated using the Maxwell–Boltzmann distribution. For example, an increase in temperature from...
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Related Experiment Video

Updated: Jul 7, 2026

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
11:50

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions

Published on: June 13, 2015

Cubic temperature dependence for SAWs on X-cut quartz.

R T Webster1, J H Silva

  • 1Rome Air Dev. Center, Hanscom AFB, MA.

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
|January 1, 1988
PubMed
Summary

Surface acoustic wave (SAW) delay lines on X-cut quartz exhibit a cubic frequency-temperature dependence. Transducer placement significantly impacts SAW device performance and temperature sensitivity.

Area of Science:

  • Materials Science
  • Acoustics
  • Physics

Background:

  • Surface acoustic wave (SAW) devices are crucial for various electronic applications.
  • Understanding the temperature dependence of SAW devices is essential for stable operation.
  • X-cut quartz is a common piezoelectric material used in SAW devices.

Purpose of the Study:

  • To experimentally investigate the frequency and insertion loss temperature dependence of SAW delay lines on X-cut quartz.
  • To analyze the influence of transducer placement on the temperature sensitivity of SAW devices.

Main Methods:

  • Fabrication of SAW delay lines on X-cut quartz.
  • Experimental setup for measuring temperature sensitivity.
  • Analysis of frequency and insertion loss variations with temperature.

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Main Results:

  • A cubic relationship between frequency and temperature was observed for the SAW delay lines.
  • The relative position of transducers strongly affected the frequency-temperature curve.
  • Transducer placement also influenced the insertion loss-temperature characteristics.

Conclusions:

  • The frequency of SAW delay lines on X-cut quartz shows a cubic dependence on temperature.
  • Transducer positioning is a critical factor in optimizing SAW device temperature stability and performance.