The fabrication of TiNi thin films by pulsed-laser deposition

Xiaoyu Chen, Yongfeng Lu, Zhongmin Ren, Sha Zhu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

TiNi shape memory alloy (SMA) thin films have been fabricated by pulsed-laser deposition (PLD) at different substrate temperatures. The stoichiometry, surface morphology and crystallinity of the films were characterized by X-ray photoelectron spectroscopy (XPS), atomic force microscope (AFM) and X-ray diffraction (XRD). The transformation behaviour and crystallization temperatures were investigated by differential scanning calorimetry (DSC). It is found that the Ni content of the deposited films ranges from 46.7 to 52.0 at.%. The films deposited at low temperature are amorphous. The crystallization temperature of the Ti-51.5 at.% Ni thin film is 449°C. The martensitic transformation temperature of the film is -20.8°C.

Original languageEnglish (US)
Pages (from-to)225-228
Number of pages4
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4426
DOIs
StatePublished - Jan 1 2002

Fingerprint

Pulsed Laser Deposition
Pulsed laser deposition
pulsed laser deposition
Thin Films
Fabrication
Thin films
fabrication
Crystallization
thin films
crystallization
Martensitic Transformation
Temperature
Stoichiometry
Atomic Force Microscope
temperature
Surface Morphology
X-ray Spectroscopy
Shape Memory
martensitic transformation
shape memory alloys

Keywords

  • Laser ablation
  • PLD
  • Shape memory alloy
  • Thin film
  • TiNi

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

The fabrication of TiNi thin films by pulsed-laser deposition. / Chen, Xiaoyu; Lu, Yongfeng; Ren, Zhongmin; Zhu, Sha.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4426, 01.01.2002, p. 225-228.

Research output: Contribution to journalArticle

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