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The metal-insulator transition in Si:P probed by the thermoelectric power at very low temperatures

✍ Scribed by M. Lakner; H.v. Lo¨hneysen


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
157 KB
Volume
194-196
Category
Article
ISSN
0921-4526

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Thermoelectric power in the quantum-Hall
✍ B. Tieke; R. Fletcher; S.A.J. Wiegers; U. Zeitler; J.C. Maan; C.T. Foxon; J.J. H 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 226 KB

We have measured the thermoelectric power (TEP) of high mobility 2DEGs in the integer and fractional quantum Hall regime down to 100 mK. At low temperatures, fluctuation-like structures in the TEP are observed. Below 160 mK the TEP diverges around the filling factor v = ~ where the resistivity enter