LSAT 衬底(镧锶铝钽氧化物)

描述

苏州科跃 LSAT 衬底(镧锶铝钽氧化物)

LSAT(Lanthanum Strontium Aluminum Tantalum Oxide,镧锶铝钽氧化物)衬底以其独特的晶体结构和优异的热稳定性而闻名,广泛应用于高性能电子器件的薄膜沉积。LSAT 晶体在温度变化下无相变特性,非常适合高温超导薄膜及其他先进材料的制备。其晶格结构与 YBCO 相似,但热膨胀系数更低,在较低温度下进行薄膜沉积时可有效降低热应力。

LSAT 衬底主要物理性能

性能参数 数值
材料 (La, Sr)(Al, Ta)O₃ (LSAT)
晶体结构 立方晶系
晶格常数 (Å) a = 3.868
生长方法 提拉法(Czochralski)
莫氏硬度 6.5
熔点 1840℃
密度 (g/cm³) 6.74
热膨胀系数 10 × 10⁻⁶ /℃
介电常数 ε = 22
外观 无色至浅棕色(取决于退火条件)

LSAT 衬底规格

规格 参数
尺寸 10 × 3 mm、10 × 5 mm、10 × 10 mm、15 × 15 mm、20 × 20 mm、直径 15 mm、直径 20 mm、直径 1″、直径 2″
厚度 0.5 mm、1.0 mm
抛光 单面抛光 (SSP) 或双面抛光 (DSP)
晶向 <100>、<110>、<111>
定向精度 ±0.5°
边缘倒角 2°(可选 1°)
晶体角度 可按需提供特殊尺寸与晶向
表面粗糙度 (Ra) ≤ 5 Å(5 μm × 5 μm)

包装细节

苏州科跃在 Class 100 洁净袋或晶圆盒中封装 LSAT 衬底,并在 Class 1000 洁净室内完成包装,确保产品在运输与存储中的洁净度与完整性。

选择苏州科跃高性能 LSAT 衬底,满足先进薄膜应用及高温超导科研的严苛需求。

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常见问题

Sputtering targets are materials used in thin-film deposition processes to create coatings on substrates. They are used in industries like semiconductors, optics, photovoltaics, and electronics.

Evaporation materials are used in Physical Vapor Deposition (PVD) processes, where materials are heated and evaporated to form a thin film on a substrate. These are critical for applications in optics, wear protection, and decorative coatings.

Boat crucibles are used as containers for evaporation materials during PVD processes. They help to uniformly evaporate materials onto the substrate for thin film formation.

Sputtering uses energetic particles to eject material from a target, while evaporation involves heating a material until it vaporizes and deposits on a substrate. Both are common methods in Physical Vapor Deposition (PVD) for creating thin films.

Consider the material composition, purity, target size, and application-specific requirements such as the thickness and uniformity of the film.

Yes, we offer customized sputtering targets, evaporation materials, and crucibles to meet specific customer requirements for size, material composition, and purity.

Yes, we can assist in selecting the most suitable material based on your application, whether it’s for optical coatings, semiconductor fabrication, or decorative finishes.

Yes, we offer both bulk and small quantities of sputtering targets, evaporation materials, and spherical powders to support research, prototyping, and development projects.