Galvanomagnetic properties of lead‐telluride quantum wells
作者： J. Heremans , D. L. Partin , P. D. Dresselhaus , M. Shayegan , H. D. Drew
DOI: 10.1063/1.96661
关键词: Heterojunction 、 Energy level splitting 、 Landau quantization 、 Shubnikov–de Haas effect 、 Hall effect 、 Magnetoresistance 、 Quantum well 、 Chemistry 、 Condensed matter physics 、 Lead telluride
摘要: The first in‐plane galvanomagnetic measurements on PbTe quantum wells are presented. samples were 70‐A‐wide sandwiched between lattice‐matched PbEuSeTe layers which have 500 meV gaps. has a 187 gap at 0 K. magnetoresistance and Hall effect measured from to 22 T 0.5 300 results can be explained if we assume that the modulation doped p type 3.7×1013 cm−2, there 3×1012 cm−2 highly mobile holes show Shubnikov–de Haas oscillations due splitting of size‐quantized subbands into Landau levels. influence illumination is also shown: up 1014 carriers with lifetime order 102 min photoexcited in structure.
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