作者: Sadao Adachi
DOI: 10.1007/978-1-4615-5247-5_58
关键词: Optoelectronics 、 Laser 、 Materials science 、 Temperature coefficient 、 Diode 、 Lead telluride 、 Heterojunction 、 High-κ dielectric 、 Semiconductor 、 Quantum well
摘要: Lead telluiide (PbTe) is a polar semiconductor crystallizing in the rocksalt-type lattice. It known that lead chalcogenides, PbS, PbSe, and PbTe, exhibit properties which are unusual, possibly unique, relative to other semiconductors. For example, they possess high dielectric constant, mobility, narrow fundamental gaps whose temperature coefficient positive [1]. These materials have been subject of many research efforts, due technical importance for use variety infrared optoelectronic device applications. Very low threshold-current laser diodes recently demonstrated single quantum wells based on PbTe/PbEuTeSe lattice-matched heterojunction system [2].