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Characterisation of Ga1-xInxSb quantum wells (x~0.3) grown on GaAs using AlGaSb interface misfit buffer

  • Received: 30 March 2015 Accepted: 10 May 2015 Published: 19 May 2015
  • GaInSb multiple quantum wells (MQW) grown on GaAs using an AlGaSb interface misfit (IMF) metamorphic buffer layer technique exhibit superior infrared photoluminescence (PL) at room temperature compared with MQW grown directly on GaSb. PL emission was obtained in the range from 1.7 μm (4 K) to 1.9 μm (300 K) from Ga1-xInxSb samples containing five compressively strained QW with In content x~0.3. Structural and optical characterisation confirms that the AlGaSb IMF growth technique is promising for the development of photonic devices operating at extended wavelengths based on GaAs substrates.

    Citation: Jonathan P. Hayton, Andrew R.J. Marshall, Michael D. Thompson, Anthony Krier. Characterisation of Ga1-xInxSb quantum wells (x~0.3) grown on GaAs using AlGaSb interface misfit buffer[J]. AIMS Materials Science, 2015, 2(2): 86-96. doi: 10.3934/matersci.2015.2.86

    Related Papers:

  • GaInSb multiple quantum wells (MQW) grown on GaAs using an AlGaSb interface misfit (IMF) metamorphic buffer layer technique exhibit superior infrared photoluminescence (PL) at room temperature compared with MQW grown directly on GaSb. PL emission was obtained in the range from 1.7 μm (4 K) to 1.9 μm (300 K) from Ga1-xInxSb samples containing five compressively strained QW with In content x~0.3. Structural and optical characterisation confirms that the AlGaSb IMF growth technique is promising for the development of photonic devices operating at extended wavelengths based on GaAs substrates.


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