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Exploring the use of low-temperature atmospheric plasma polymerization for the reduction of parasitic currents in type-II superlattice devices

R Gillies, K McKay, K Asku, V Srivastava, M Kesaria, I Sandall2025年2月Plasma Physics and Controlled FusionIF 2.2出版社

Type-II superlattice (T2SL) devices have the potential to be the new generation of semiconductor-based devices, however fabrication of these devices leads to surface defects that can create surface leakage channels. Passivation methods that are typically used in traditional semiconductors have proved unsuccessful. In this paper we present the initial findings of a low-temperature atmospheric pressure plasma polymerisation process capable of removing the unwanted oxide layers and depositing a thin layer of polymer to protect the surface. We examine the effect of monomer flow rate on the plasma optical emission and electrical characteristics and investigate the deposition chemistry. Finally, we demonstrate the effectiveness of the plasma treatment on T2SL devices and underpin the potential for this technique. These results were presented at the 50th IOP Plasma Physics Conference, April 2024.

日本語訳

Type-II超格子(T2SL)デバイスは、次世代の半導体ベースデバイスとなる可能性を秘めているが、これらのデバイスの作製は表面欠陥を生じさせ、表面リーク経路を生み出す可能性がある。従来の半導体で一般的に使用される不動態化法は成功していない。本稿では、不要な酸化物層を除去し、表面を保護するポリマーの薄膜を堆積することができる低温大気圧プラズマ重合プロセスの初期知見を提示する。我々は、モノマー流量がプラズマ発光および電気的特性に及ぼす影響を調査し、堆積化学を調べる。最後に、T2SLデバイスに対するプラズマ処理の有効性を実証し、この技術の可能性を裏付ける。これらの結果は、2024年4月に開催された第50回IOPプラズマ物理学会議で発表された。

AIによる論文要約

低温大気圧プラズマ重合を用いたタイプII超格子デバイスの寄生電流低減の探索
JAこの論文は、超格子デバイスの製造プロセス開発に携わる研究者や技術者に有用です。デバイス特性の改善に興味がある学生にも参考になるでしょう。#超格子デバイス #プラズマ処理 #表面パッシベーション
LLM向け: {'Title': '低温大気圧プラズマ重合を用いたタイプII超格子デバイスの寄生電流低減の探索', 'Author(s)': '不明', 'Research …

この論文では、タイプII超格子デバイスの表面欠陥による漏れ電流を低減するために、低温大気圧プラズマ重合プロセスを提案しています。プラズマ条件の最適化と表面化学の解析により、デバイスの性能向上を実現しています。

Exploring the use of low-temperature atmospheric plasma polymerization for the reduction of parasitic currents in type-II superlattice devices
ENThis paper would be of interest to researchers and engineers working on the development of T2SL devices, as well as those interested in plasma-based surface passivation techniques.#T2SL #PlasmaPolymerization #SurfacePassivation #ParasiticCurrents
LLM向け: {'Title': 'Exploring the use of low-temperature atmospheric plasma polymerizatio…

This paper investigates a low-temperature atmospheric pressure plasma polymerization process to remove unwanted oxide layers and deposit a protective polymer layer on type-II superlattice (T2SL) devices. The process can help reduce surface leakage currents, a common issue in T2SL devices, by passivating the surface.

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