The coexistence of electrostrictive and magnetostrictive properties in a polycrystalline ZnO film

IF 2.4 4区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Current Applied Physics Pub Date : 2025-01-08 DOI:10.1016/j.cap.2025.01.007

Suman Guchhait , H. Aireddy , Niladri Sekhar Kander , A.K. Das

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引用次数: 0

Abstract

A polycrystalline ZnO film is fabricated on a cantilevered substrate of silicon by pulsed laser deposition (PLD) technique and investigated the electrostrictive and magnetostrictive (in-plane and out-of-plane) properties by an indigenously developed optical cantilever beam magnetometer (CBM) setup. The film shows excellent electrostrictive as well as magnetostrictive response at room temperature (300 K) with high values of piezoelectric strain coefficient (

| d |

= 69.69 p.m./V), piezoelectric stress coefficient (

| e |

= 7.75 C/m²), saturation magnetostriction (

λ_{s}

= 1286.15 ppm & 647.99 ppm), and strain sensitivity (dλ/dH = 12.63 × 10 ⁻⁹ A⁻¹m & 8.29 × 10 ⁻⁹ A⁻¹m) in in-plane and out-of-plane configuration, respectively. The emergence of significant electrostrictive and magnetostrictive responses makes the ZnO film well suited for use as a ferroelectric (FE) or as a ferromagnetic (FM) material in electric field-controlled multiferroic magnetoelectric composites (i.e., FM/FE heterostructure) applicable for the development of novel spintronic devices.

Abstract Image

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多晶ZnO薄膜的电致伸缩和磁致伸缩共存特性

采用脉冲激光沉积（PLD）技术在硅悬臂基底上制备了多晶ZnO薄膜，并利用自主研制的光学悬臂梁磁强计（CBM）装置研究了ZnO薄膜的电致伸缩和磁致伸缩（面内和面外）性能。在室温（300 K）下，薄膜表现出优异的电致伸缩和磁致伸缩响应，具有较高的压电应变系数（|d| = 69.69 pm /V）、压电应力系数（|e| = 7.75 C/m2）、饱和磁致伸缩(λs = 1286.15 ppm &；和应变灵敏度(dλ/dH = 12.63 × 10−9 A−1m &；8.29 × 10−9 A−1m)，面内配置和面外配置。显著的电致伸缩和磁致伸缩响应的出现使得ZnO薄膜非常适合作为铁电（FE）或铁磁（FM）材料用于电场控制的多铁磁电复合材料（即FM/FE异质结构），适用于新型自旋电子器件的开发。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Current Applied Physics 物理-材料科学：综合

CiteScore

4.80

自引率

0.00%

发文量

213

审稿时长

33 days

期刊介绍： Current Applied Physics (Curr. Appl. Phys.) is a monthly published international journal covering all the fields of applied science investigating the physics of the advanced materials for future applications. Other areas covered: Experimental and theoretical aspects of advanced materials and devices dealing with synthesis or structural chemistry, physical and electronic properties, photonics, engineering applications, and uniquely pertinent measurement or analytical techniques. Current Applied Physics, published since 2001, covers physics, chemistry and materials science, including bio-materials, with their engineering aspects. It is a truly interdisciplinary journal opening a forum for scientists of all related fields, a unique point of the journal discriminating it from other worldwide and/or Pacific Rim applied physics journals. Regular research papers, letters and review articles with contents meeting the scope of the journal will be considered for publication after peer review. The Journal is owned by the Korean Physical Society.