Cr2O3/LiNbO3/Cr2O3 ) (ME) ME Cr2O3/LiNbO3/Cr2O3 tunneling tunnel RF magnetron sputtering o 100 W 490 C nm Cr2O3, LiNbO3 Ar:O2 = 32:1, 8:1 Cr2O3/LiNbO3/Cr2O3 1.3 Pa RF-power LiNbO3 60, 5, 10, 15 (111) Nb:SrTiO3 (VSM) LCR VSM Fig.1 LiNbO3 15 nm Fowler-Nordheim (FN) Tunneling tunneling LiNbO3 2 Fig.2 Cr2O3 2 Cr2O3 1.5 oC tunnel 5 oC 0.02 V 2 10 Fig.1 Cr2O3 0.834 0.833 0.832 0.831 0 50 100 150 200 Magnetic field (Oe) Fig.1 Applied Magnetic fields dependence of FN tunneling voltage FN tunneling voltage (V) FN tunneling voltage (V) 2 oC 0.83 0 Oe 0.82 0.81 0 2 4 6 Temperature gradient (oC) Fig.2 Relationship between the FN tunneling voltage and temperature gradient in the sample
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