A novel scanning force microscopy probe with thermal-electrical actuation and piezo-resistive sensing

Xiaochen Liu, Lihao Wang, Yinfang Zhu*, Junyuan Zhao, Jinying Zhang, Jinling Yang, Fuhua Yang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

This work presents a novel scanning force microscopy probe with electro-thermal actuation and piezo-resistive detection. The fabricated probe of 270 × 58 × 2.5 μm3 can generate a force between 1.05 μN and 16.52 μN with a resolution of nano-newton, and can detect the nanometer-scale deflection. The minimum detectable output signal of the probe could be down to 20 μV and the sensitivity reaches 4.92 mV μm-1. This is a straight-forward technique for characterizing the mechanical properties of micro/nano-structures and devices.

Original languageEnglish
Article number115003
JournalJournal of Micromechanics and Microengineering
Volume28
Issue number11
DOIs
Publication statusPublished - 29 Aug 2018
Externally publishedYes

Keywords

  • MEMS probe
  • micro-nano structure
  • piezo-resistance
  • thermal-electrical actuation

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