Growth, Optical, and Transport Properties of Self-Assembled InAs/InP Nanostructures

作者: Oliver Bierwagen , Yuriy I. Mazur , Georgiy G. Tarasov , W. Ted Masselink , Gregory J. Salamo

DOI: 10.1007/978-1-4419-7587-4_8

关键词: Materials scienceOptoelectronicsPhotoluminescenceElectronic band structureQuantum dotMolecular beam epitaxyQuantum wireExcitonQuantum wellElectron mobility

摘要: A comprehensive study, including growth, optical characterization and anisotropic transport in quantum well (QW), wire (QWr), dot (QD) systems, is carried out for the InAs/InP nanostructures grown by gas-source molecular beam epitaxy on InP (001) substrates. Role of substrate misorientation self-organized formation, shape, alignment InAs investigated. The emission absorption properties related to interband transitions are studied means polarization-dependent photoluminescence (PL) transmission spectroscopy. It demonstrated that wavelength extends up 2 μm, technologically important 1.3 μm 1.55 at room temperature. Polarization-dependent PL measurements all QWrs QDs reveal much similarity temperature behavior spite a qualitatively different character one (1D)- zero (0D)-dimensional density-of-states functions. in-plane electrons holes QWrs, QDs, QWs investigated interpreted terms two-dimensional carrier coupled 1D or 0D systems. Peculiar band structure relaxation suggest currently large application potential devices – mainly telecommunication μm.

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