通过STZ添加剂和烧结后工艺改善无BNT-SBT陶的电气和生物活性
Kamonporn Saenkam1, Waraporn Boontakam1, Phanrawee Sriprapha1
1Department of Physics and Materials Science, Faculty of Science, Chiang Mai University Chiang Mai 50200 Thailand gobwute.ruji@cmu.ac.th.
RSC advances
|January 21, 2026
概括
这项研究优化了无陶,使用了Sr (Ti0.85Zr0.15) O3 (STZ) 添加剂. 由此产生的材料显示出出色的电特性和增强的生物性能,突出其生物医学潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 陶工程 陶工程
- 生物材料科学 生物材料科学
背景情况:
- 无陶对于可持续的电子设备至关重要.
- 开发具有优异电气和生物性能的材料是一项挑战.
研究的目的:
- 调查Sr{Ti0.85Zr0.15) O3 (STZ) 添加剂和烧结后处理对无 (1 - x) [0.7{Bi0.5Na0.5) TiO3-0.3{Sr0.7Bi0.2) TiO3]-xSTZ陶的影响.
- 评估这些优化陶的电气,电机械和生物特性,以满足潜在的生物医学应用.
主要方法:
- 陶 ((1 - x) ((BNT-SBT) -xSTZ) 的固态反应合成.
- 阶段分析,介电测量,储能测试,断裂强度评估和电流测量.
- 在体外细胞毒性测定和生物活性测试在模拟体液中,有或没有β-三酸涂层.
主要成果:
- 在x=0.15组合表现出宽度温度系数的电容稳定性 (±15%从38-310°C),增加能量储存密度 (43%),高能效 (92.90%),和强大的断裂强度 (95kV cm-1).
- 烧结后老化显著改善了电流从0.06%到0.33% (450%的增加),增强了机电反应.
- 证实了出色的细胞活力,并且通过β-三酸表面涂层显著增强了生物活性.
结论:
- 优化的x = 0.15无陶组成表明了电气和生物性质的有希望的平衡.
- 该材料显示出在储能和生物医学设备中的应用潜力,特别是在表面修改后.
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