Tuning Band Alignment Using Interface Dipoles at the Pt/Anatase TiO 2  Interface | Zendy

Tachikawa Takashi | Zendy; Minohara Makoto | Zendy; Hikita Yasuyuki | Zendy; Bell Christopher | Zendy; Hwang Harold Y. | Zendy

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Tuning Band Alignment Using Interface Dipoles at the Pt/Anatase TiO 2 Interface

Author(s) -

Tachikawa Takashi,

Minohara Makoto,

Hikita Yasuyuki,

Bell Christopher,

Hwang Harold Y.

Publication year - 2015

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201503339

Subject(s) - materials science , schottky barrier , oxide , dipole , anatase , interface (matter) , complex oxide , condensed matter physics , electric field , metal , crystallite , lattice (music) , optoelectronics , nanotechnology , chemical physics , photocatalysis , catalysis , composite material , biochemistry , chemistry , physics , organic chemistry , diode , quantum mechanics , metallurgy , capillary number , capillary action , acoustics

The Schottky barrier heights at the Pt/TiO 2 (001) junctions are modulated over 0.8 eV by inserting <1 nm of LaAlO 3 . The large electric field in the LaAlO 3 is stabilized by preserving the continuity of in‐plane lattice symmetry at the oxide interface. These results greatly expand the application of dipole engineering to versatile polycrystalline metal/binary oxide functional interfaces.

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