Elastic behaviour and gas sensing properties of substituted Ni–Zn nano crystalline ferrites

IF 2.8 4区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Materials Science: Materials in Electronics Pub Date : 2025-02-23 DOI:10.1007/s10854-025-14329-6

V. Lakshmi Savithri Vatsalya, G. Sunita Sundari, K. Siva Maha Laxmi, Sankeshi Supraja, Ch.S. Lakshmi

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引用次数: 0

Abstract

Infrared spectroscopy is used to examine the concentration-dependent elastic nature of Nickel & Zinc ferrite nanoparticles when iron is replaced by Cu/Co in small quantities. Stiffness constants (C11, C12), longitudinal (V_l), shear (V_t) velocities are assessed and verified. The values of Poisson’s ratio (σ), elastic moduli values (viz i.e., Rigidity Modulus (G), Bulk Modulus (K), and Young’s Modulus (E)) are calculated with changing concentration. Debye temperature realising from Anderson and Waldron formulae exhibits reverse trend for both the doped cations. The gas sensing response of undoped NZF, NZCu_0.03F and NZCo_0.04 F samples for the Acetone gas reveals much higher response than for Hydrogen and ethanol gas atmospheres. Tested samples exhibit superior performance for acetone with fast response and recovery time. Pure sample (NZF) and NZCu_0.03F displays n-type behavior, whereas, NZCo_0.04F verified n-type for below 250 °C and p-type behavior above 250 °C in Acetone atmosphere. The outcome of our results verified the dopant reliant elastic features and sensing suitability of the tested ferrite materials.

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红外光谱法用于研究当少量铁被铜/钴取代时，镍& 锌铁氧体纳米粒子的弹性随浓度变化的特性。评估并验证了刚度常数（C11、C12）、纵向速度（Vl）和剪切速度（Vt）。泊松比 (σ)、弹性模量值（即刚性模量 (G)、体积模量 (K) 和杨氏模量 (E)）随浓度变化而计算。根据 Anderson 和 Waldron 公式计算出的 Debye 温度对两种掺杂阳离子都呈现出相反的趋势。未掺杂的 NZF、NZCu0.03F 和 NZCo0.04 F 样品对丙酮气体的气体传感响应远高于对氢气和乙醇气体的响应。测试样品对丙酮的性能优越，响应和恢复时间快。纯样品（NZF）和 NZCu0.03F 显示出 n 型行为，而 NZCo0.04F 在丙酮气氛中低于 250 °C 时为 n 型，高于 250 °C 时为 p 型。我们的结果验证了测试铁氧体材料依赖掺杂剂的弹性特征和传感适用性。

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来源期刊

Journal of Materials Science: Materials in Electronics 工程技术-材料科学：综合

CiteScore

5.00

自引率

7.10%

发文量

1931

审稿时长

2 months

期刊介绍： The Journal of Materials Science: Materials in Electronics is an established refereed companion to the Journal of Materials Science. It publishes papers on materials and their applications in modern electronics, covering the ground between fundamental science, such as semiconductor physics, and work concerned specifically with applications. It explores the growth and preparation of new materials, as well as their processing, fabrication, bonding and encapsulation, together with the reliability, failure analysis, quality assurance and characterization related to the whole range of applications in electronics. The Journal presents papers in newly developing fields such as low dimensional structures and devices, optoelectronics including III-V compounds, glasses and linear/non-linear crystal materials and lasers, high Tc superconductors, conducting polymers, thick film materials and new contact technologies, as well as the established electronics device and circuit materials.