IRE Laboratory

News

2018-11-11
International Workshop on Nitride Semiconductors (IWN2018)
Date : 2018/11/11-16

(http://www.iwn2018.jp/)
Please see Published Article for detailed informtion.

2018-10-31
We presented the following talk at JCCG-47 Sendai.
\"Polarity determination of c plane of hexagonal GaN using Renninger Scan method\"

Click above \"Published Article\" for more information.

2018-07-12
We presented \\\"Characterization of GaN wafer using sRenninger Scan - Wave length and exposure are dependence on the Renninger Scan Pattern- \\\" at The 10th NanoEpi Section Meeting of Japanese Assocation of Crystal Growth at Nagoya.

Click \"Published Article\" for more information.

Laboratory philosophy

Under the precise control of interface reaction, IRE laboratory aims at contribute human society.

Basic guideline 0f IREL

Under the precise control of interface reaction, IRE laboratory aims at contribute human society through the creation of a fundamental technology for economic consumption.of materials and energy.

Laboratory guide

High quality GaN group III nitrides epitaxial films on Si substrate are our target. The plasma assisted radio frequency molecular beam epitaxy (RF-MBE) growth using an interface reaction epitaxy by a MBE machine in a clean room of Doshisha University. IRE Laboratory invented a unique interface reaction epitaxial technique using a double buffer layer and an AlN on Si template for growth of GaN on Si substrate. IRE Laboratory is developing another growth method using interface control other than the MBE method and is supporting characterization of grown GaN filems.

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Research items

Being based on a fundamental theory of crystal growth to improve a GaN on Si film quality, IER Laboratory develops the interface reaction epitaxy by a precise control of interface reaction using the activity modulation migration enhanced epitaxy (AM-MEE) with nitrogen atoms and excited nitrogen molecules.

  1. Development of MBE growth techniques for GaN on Si
  2. Production and sale of epitaxial films and electronic device structure films
  3. X-ray characterization of epitaxial films and epitxial devices
  4. Improvement of induction coupling re discharge cell
  5. Advice for development and usage of various film growth methods
  6. Production and sale of a crystal closest packing model.

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