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Ultrasonic oscillation detecting method and sample observing method for interatomic rirce microscope

Research output: Patent

Published

  • Oleg Kolosov (Inventor)
  • K YAMANAKA (Inventor)
  • K. Watanabe (Inventor)
Publication date25/11/1994
Patent numberJP6323843A
IPCG01B21/30; G01N29/00
Original languageOther

Abstract

PURPOSE:To provide ultrasonic oscillation detecting method and sample observing method for interatomic force microscope in which the viscoelaslic properties and the like can be measured at a frequency higher than 1 MHz by generating ultrasonic oscillation of 1 MHz or above In a sample and detectng the ultrasonlc oscillation using a common cantilever. CONSTITlUTION:A sample 8 is subjected to ultrasonic oscillation at a frequency sufficiently higher than the resonance frequency of a cantilever 11. Since the force functioning between a probe 4 and the sample 8 exibit nonlinear dependency on the distance, a displacement depending on the amplitude of oscillation Is Induced In the cantilever 11. Ultrasonic wave is detected by measuring the displacement.

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