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Magnetron-Sputtered AlN: A Deep Dive into Structure and Optics on Oriented Sapphire

PAM-XIAMEN can supply AlN on Sapphire wafers, more specifications you can find in: https://www.powerwaywafer.com/aln-single-crystal-substrate-template-4.html At present, metal organic chemical vapor deposition (MOCVD) is considered one of the most widely used epitaxial techniques for AlN, but it always faces problems such as long growth cycles, high costs, and low substrate selection [...]

Demystifying SiC Wafers: C-Plane vs. Si-Plane Explained

SiC wafers are available for power electronics, scientific or industrial applications, specifications as: https://www.powerwaywafer.com/sic-wafer/sic-wafer-substrate.html SiC is a binary compound formed in a 1:1 ratio of Si and C elements, consisting of 50% silicon (Si) and 50% carbon (C). Its basic structural unit is the Si-C tetrahedron. 1. SiC Crystal Structure Arrangement 1.1 [...]

How Epitaxial Pit Defects Affect SiC MOSFET Device Characteristics?

SiC epitaxial wafer is available for fabricating MOSFET devices, wafer specifications can be found in https://www.powerwaywafer.com/sic-mosfet-structure.html 1.  Epitaxial Pits Epitaxial pits, as one of the most common surface morphology defects, have a typical surface morphology and structural profile as shown in Fig.1. The position of thread dislocation (TD) corrosion pits observed [...]

Chemical Mechanical Polishing (CMP) on Carbon(C) Surface of SiC Wafer

SiC wafer materials have broad bandgap, high electron saturation mobility, and excellent thermal properties, which have great application prospects in high-temperature, high-frequency, and high-power devices. The surface quality of Si surface directly affects the quality of SiC epitaxial thin film and the performance of its devices. However, defects on [...]

Study on the Properties of Al Doped P-Type 4H-SiC by Liquid Phase Method

PAM-XIAMEN is available to offer P-type SiC substrates, please refer to: https://www.powerwaywafer.com/p-type-silicon-carbide-substrate-and-igbt-devices.html. The p-type substrate prepared by liquid-phase method can be applied to prepare IGBT devices and bipolar devices, solving the problem of missing p-type substrates in the SiC industry.  At present, significant breakthroughs have been made in this field both domestically and [...]

Effect of Dislocations on the Performance of 4H-SiC Wafers and Power Devices

PAM-XIAMEN can offered SiC wafers, specific specifications and parameters can be found in: https://www.powerwaywafer.com/sic-wafer 4H-SiC single crystal has excellent characteristics such as wide bandgap, high carrier mobility, high thermal conductivity, and good stability. It has broad application prospects in high-power electronics, radio frequency/microwave electronics, and quantum information. After years of development, 6-inch [...]

Effects of Triangle Defects on the Characteristics of SiC MOSFET Devices

PAM-XIAMEN can supply SiC epitaxial wafers for MOSFET devices, additional information please read: https://www.powerwaywafer.com/sic-mosfet-structure.html. The epitaxial process of SiC inevitably forms various defects, which affect the performance and reliability of SiC power devices. Below, we specifically explore the impact of triangle defects on the performance of SiC MOSFET devices. 1. [...]

AlN Thin Film for FBAR and SAW

AlN (aluminum nitride) is a covalent bond compound with a hexagonal wurtzite structure. Usually gray or grayish white in color, it has advantages such as high thermal conductivity, high-temperature insulation, good dielectric properties, high material strength at high temperatures, and low coefficient of thermal expansion. Due to the significant [...]

Copper Thin Film on Sapphire Substrate for Graphene Growth

High quality large-area single crystal copper substrate is an effective method for preparing high-quality large-area single crystal graphene. There are several main methods for preparing single crystal copper: 1) Commercial single crystal copper is mostly produced by using the high-temperature hot casting mode continuous casting method to produce single [...]

Silicon Crystal Orientation

The Silicon crystal orientations that we often hear are <100>, <110> and <111>(shown as Fig. 1), respectively indicating a crystallographic family. The single crystal silicon structure belongs to cubic crystals, and the <100> crystal orientation family represents six crystal orientations: [100], [010], [001], [100], [0-10], and [00-1]. Therefore, we rarely hear [...]