Redistribution of excess space charge in structures based on single-crystal strontium titanate |
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| Authors: | A I Dedyk L T Ter-Martirosyan |
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| Institution: | (1) St. Petersburg State Electrotechnical University, 197376 St. Petersburg, Russia |
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| Abstract: | A band mechanism for transport in single-crystal strontium titanate (STO) is used as a basis for estimating the parameters
characterizing the localization and redistribution of space charge in STO for T<100 K. A comparison of the experimental and calculated temperature dependences of the charge carrier concentration yield
an estimate for the location of the Fermi level in STO at T=4.2 K with E
F-E
v∼10 meV. The phenomena at metal/STO and YBCO/STO contacts are discussed.
Fiz. Tverd. Tela (St. Petersburg) 39, 349–352 (February 1997) |
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