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(Color online) RHEED patterns for an n-STO(001) substrate, as well as for 1, 3, 5, and 174 u.c. epitaxial Cr films.
(Color online) Cr 2p, O 1s, Ti 2p and Sr 3d XPS for clean n-STO(001) and the same series of Cr/n-STO(001) heterojunctions shown in Fig. 1.
(Color online) Schematic diagram of the Cr/n-STO(001) interface structure (left) and energies (right).
(Color online) I-V curves measured in the van der Pauw geometry for Cr/n-STO(001) at 300 K (a). Inset—Two-contact I-V curve for the same sample at 300 K. Resistivity vs. temperature (b). Inset—Hall resistance vs. magnetic field at 300 K and 3 K.
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