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May 5, 2026ACS Applied Materials & Interfaces

Surface Engineering of NiTi via Ta ₂ O ₅ ALD: Stability Assessment of Barrier Properties against Exposure to Simulated Physiological Solution

Julia Kolasa Anna Taratuta Barbara Rynkus Julia Lisoń-Kubica Karolina Wilk Ada Orłowska Maciej Krzywiecki Jerzy Bodzenta Karolina Szawiraacz Karla Čech Barabaszová Sylva Holešová A. Ziębowicz Roman Major Przemysław Kurtyka Marcin Staniek Marcin Basiaga

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Key Points

This research aims to evaluate the stability and effectiveness of Ta2O5 coatings on NiTi implants under physiological conditions.
Utilized atomic layer deposition (ALD) to create Ta2O5 overcoats on NiTi implants.
Examined the corrosion resistance and biostability in simulated physiological solutions.
Ta2O5 overcoated NiTi exhibits enhanced corrosion resistance compared to untreated NiTi.
Significant improvement in biostability metrics observed with Ta2O5 layers under simulated physiological conditions.

Implication

Assesses the barrier properties of Ta2O5 layers on NiTi implants in physiological solutions, indicating significant corrosion resistance.

Abstract

overlayers in providing long-term biostability and corrosion protection for NiTi-based implants in demanding physiological conditions.

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Cite This Study

Kolasa et al. (2026) studied this question.

synapsesocial.com/papers/69fd7f65bfa21ec5bbf07f8d https://doi.org/10.1021/acsami.4c22646

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