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Indication of band flattening at the Fermi level in a strongly correlated electron system
Using ultra-high quality SiGe/Si/SiGe quantum wells at millikelvin temperatures, we experimentally compare the energy-averaged effective mass, m, with that at the Fermi level, m (F), and verify that the behaviours of these measured values are qualitatively different. With decreasing electron density...
| Autores principales: | , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group UK
2017
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5674001/ https://www.ncbi.nlm.nih.gov/pubmed/29109456 http://dx.doi.org/10.1038/s41598-017-15117-x |