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The electric transport properties of BaTiO 3 /La 0.8 Ca 0.2 MnO 3 heterostructures were investigated in the temperature range 100–320 K. It is found that the leakage current versus voltage (I–V) curves show strong temperature dependence, and at lower temperature (<250 K) the I–V curves are diode-like asymmetric characteristics; while they exhibit resistive switching...
All‐perovskite‐oxide heterojunctions composed with tetravalent cation‐doped La0.9Hf0.1MnO3 (LHMO) and 0.7 wt% Nb‐doped SrTiO3 were fabricated using pulsed laser deposition method. Compared to those hole‐doped manganites‐based junctions, much stronger rectifying characteristics were observed in the formed junctions. Special attention has been paid to the temperature dependence of photovoltage (Voc)...
Heterojunctions composed of P-type La 0.8 Ba 0.2 MnO 3 and N-type Nd doped SrTiO 3 are successfully fabricated via chemical solution deposition. Good rectifying property is obtained. Detailed studies of the transport properties under reverse bias show that above the metal-insulator transition temperature T MI , the Frenkel–Poole emission dominates the leakage...
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