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US09175390B2 Synthesis and use of precursors for ALD of tellurium and selenium thin films 有权
合成和使用碲和硒薄膜的ALD前体

Synthesis and use of precursors for ALD of tellurium and selenium thin films
Abstract:
Atomic layer deposition (ALD) processes for forming Te-containing thin films, such as Sb—Te, Ge—Te, Ge—Sb—Te, Bi—Te, and Zn—Te thin films are provided. ALD processes are also provided for forming Se-containing thin films, such as Sb—Se, Ge—Se, Ge—Sb—Se, Bi—Se, and Zn—Se thin films are also provided. Te and Se precursors of the formula (Te,Se)(SiR1R2R3)2 are preferably used, wherein R1, R2, and R3 are alkyl groups. Methods are also provided for synthesizing these Te and Se precursors. Methods are also provided for using the Te and Se thin films in phase change memory devices.
Abstract(Chinese):

提供了用于形成诸如Sb-Te，Ge-Te，Ge-Sb-Te，Bi-Te和Zn-Te薄膜的Te含量薄膜的原子层沉积（ALD）工艺。 还提供了用于形成含Se的薄膜的ALD工艺，例如Sb-Se，Ge-Se，Ge-Sb-Se，Bi-Se和Zn-Se薄膜。 优选使用式（Te，Se）（SiR 1 R 2 R 3）2的Te和Se前体，其中R 1，R 2和R 3是烷基。 还提供了用于合成这些Te和Se前体的方法。 还提供了在相变存储器件中使用Te和Se薄膜的方法。

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