Numerical analysis tool for GaN-based nanowire or nanotube devices.
Efficient analysis of GaN substrate nanowire and nanotube structures for LEDs using the device simulator (APSYS). Examples of device modeling and simulation are presented. A single nanotube with 15,000 mesh points in the quantum well was calculated as a test. The typical I-V characteristic calculation took about 20 minutes on a laptop with OS: Windows 7 and CPU: i5. The physical models and numerical analysis functions used in APSYS include "self-consistent calculations of the drift diffusion model combined with quantum mechanics," "utilization of polarization charges in polar and semi-polar forms," "thermal model," "IQE drop due to EBL doping, band offset, and polarization charges," and "extraction calculations using FDTD," among others.
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basic information
<Main Features> ■General-purpose 2D/3D finite element analysis and design software for semiconductor devices ■Applicable to almost all device design and analysis except for semiconductor lasers ■Can be used for the design of devices made from silicon and compounds <Diverse Physical Models and Functions> ■Current-voltage (I-V) characteristics ■Two-dimensional distribution of potential, electric field, and current ■Two-dimensional distribution of hot carrier temperature in fluid dynamics models ■Two-dimensional distribution of lattice temperature used in thermal transport models ■Band diagrams under various bias conditions ■Results of AC small-signal response analysis at arbitrary frequency ranges ■Subbands of quantum wells using a carrier mixing model ■Two-dimensional distribution of impurity occupancy and density trapped at deep levels in semiconductors ■Two-dimensional optical field distribution of optical devices such as photodetectors ■Current dependence of the self-emission spectrum of LEDs ■FDTD interface <Interface> ■Standard tools for structural input and result display ■Described in a proprietary scripting language, executable from GUI or command line ■Program control via batch files or scripting language is possible
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Numerical analysis of GaN-based nanowire or nanotube devices.
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Crosslight Software Inc. (formerly Beamtek Software Inc.) is an international company that became independent from the National Research Council of Canada in 1992 and established its headquarters in Canada. Currently, it is headquartered in Vancouver, with a branch established in Shanghai in 1997 and another in Chiba City, Japan, in September 2001. As a developer of TCAD software that analyzes the physical properties of semiconductor laser devices, light-emitting and light-receiving elements, MEMS, and MOCVD processes, we are a leading company that consistently provides cutting-edge physical models for semiconductor optoelectronics and electronic device and process technologies. Our flagship product, the three-dimensional semiconductor laser diode simulator PICS3D, received the Commercial Technology Achievement Award from the industry magazine Laser Focus World in 1998.