Bipolar resistive switching characteristics of silver doped tin sulphide based ReRAM devices

IF 3.1 4区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Current Applied Physics Pub Date : 2025-08-30 DOI:10.1016/j.cap.2025.08.013

Neju Mathew Philip, M.C. Santhosh Kumar

引用次数: 0

Abstract

In the present work, silver doped tin sulphide (SnS:Ag) thin films are deposited using the vacuum thermal evaporation over stainless steel (SS 304) substrates. X-ray diffraction studies and Raman analysis confirmed the formation of orthorhombic SnS without any impurity phases. FE-SEM analysis revealed a coral reef-like morphology for the deposited SnS:Ag thin films. EDS studies revealed tin-rich SnS:Ag thin films. The resistive memory switching characteristics of the fabricated SS/SnS:Ag/Ag ReRAM device is analysed and the On/Off ratio of the device is obtained as 40.7. The SS/SnS:Ag/Ag device has good endurance over 100 cycles and retention over 10⁴ s. The creation and dissolution of conductive filaments of silver and sulphur ions through the tin vacancies is the possible conduction mechanism behind the memory switching property of the fabricated SS/SnS:Ag/Ag memory device.

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银掺杂硫化锡基ReRAM器件的双极电阻开关特性

在本研究中，采用真空热蒸发法在不锈钢（SS 304）衬底上沉积了掺杂银的硫化锡薄膜。x射线衍射研究和拉曼分析证实形成了无杂质相的正交SnS。FE-SEM分析表明，沉积的SnS:Ag薄膜呈珊瑚礁状。EDS研究发现了富锡的SnS:Ag薄膜。分析了制备的SS/SnS:Ag/Ag ReRAM器件的电阻记忆开关特性，得到器件的通断比为40.7。SS/SnS:Ag/Ag器件具有100次循环以上的耐久性和104 s以上的滞留性。银和硫离子导电丝通过锡空位产生和溶解是SS/SnS:Ag/Ag存储器件记忆开关特性背后可能的传导机制。

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.