Comprehensive analysis of the impact of iron and terbium co-dopant levels on the structural, thermal, and spectroscopic properties of hydroxyapatite

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2025-04-01 DOI:10.1016/j.ceramint.2025.01.095

Omer Kaygili , Yusuf Düşkün , Azeez A. Barzinjy , Rebaz Obaid Kareem , Tankut Ates , Serhat Keser , Beyhan Tatar , Aenas Laith Ali , Niyazi Bulut , Filiz Ercan , İsmail Ercan , Turan İnce

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引用次数: 0

Abstract

In recent years, there has been a growing interest in biomaterials for improving human living conditions. Hydroxyapatite (HAp), a biomaterial widely used in bone and teeth restoration, has been doped with iron (Fe) and terbium (Tb) to enhance its electronic properties and potential biomedical applications. Theoretical calculations revealed a decreasing trend in bandgap values with increasing concentrations of Fe and Tb, suggesting a shift from insulating to semiconducting behavior. The synthesized Fe and Tb doped HAp samples were characterized using X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, Raman spectroscopy, scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). The results showed that the addition of Fe and Tb dopants led to changes in the lattice parameters, crystallinity, and morphology of HAp structure. The doped HAp samples exhibited improved thermal stability, and their FTIR and Raman spectra confirmed the presence of the phosphate group. SEM analysis revealed sphere-like nanoparticles and EDX results confirmed the presence of Fe and Tb in the doped samples. The (Ca + Tb + Fe)/P molar ratios were close to the ideal value of 1.667. The study demonstrates the potential of Fe and Tb-doped HAp as multifunctional materials in biomedicine and other fields requiring tunable electrical properties.

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铁和铽共掺杂水平对羟基磷灰石结构、热学和光谱特性影响的综合分析

近年来，人们对改善人类生活条件的生物材料越来越感兴趣。羟基磷灰石（HAp）是一种广泛应用于骨和牙齿修复的生物材料，通过掺入铁（Fe）和铽（Tb）来增强其电子性能和潜在的生物医学应用。理论计算表明，随着Fe和Tb浓度的增加，带隙值呈下降趋势，表明从绝缘到半导体行为的转变。利用x射线衍射（XRD）、傅里叶变换红外光谱（FTIR）、拉曼光谱（Raman）、扫描电镜（SEM）和热重分析（TGA）对合成的Fe和Tb掺杂HAp样品进行了表征。结果表明，Fe和Tb掺杂剂的加入改变了HAp结构的晶格参数、结晶度和形貌。掺杂的HAp样品表现出更好的热稳定性，其FTIR和拉曼光谱证实了磷酸基团的存在。SEM分析发现了球状纳米颗粒，EDX结果证实了Fe和Tb在掺杂样品中的存在。（Ca + Tb + Fe）/P摩尔比接近理想值1.667。该研究证明了Fe和tb掺杂HAp在生物医学和其他需要可调电性能的领域作为多功能材料的潜力。

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.