Matches in SemOpenAlex for { <https://semopenalex.org/work/W2045116035> ?p ?o ?g. }
- W2045116035 abstract "The temperature dependence of the specific resistance ρc in annealed Ti∕Al∕Ni∕Au contacts on n-type GaN was monitored, obtaining information on the current transport mechanisms. After annealing at 600°C, the contacts exhibited a rectifying behavior and became Ohmic only after high temperature processes (>700°C), with ρc in the low 10−5Ωcm2 range. The results demonstrated that the current transport is ruled by two different mechanisms: thermoionic field emission occurs in the contacts annealed at 600°C, whereas field emission dominates after higher temperature annealing. The significant physical parameters related to the current transport, i.e., the Schottky barrier height and the carrier concentration under the contact, could be determined. In particular, a reduction of the Schottky barrier from 1.21eV after annealing at 600°Cto0.81eV at 800°C was determined, accompanied by a strong increase of the carrier concentration, i.e., from 2×1018cm−3 in the as-prepared sample to 4.6×1019cm−3 in the annealed contacts. The electrical properties were correlated to the microstructure of the interfacial region, providing a scenario to explain the transition from Schottky to Ohmic behavior in annealed Ti∕Al∕Ni∕Au contacts." @default.
- W2045116035 created "2016-06-24" @default.
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- W2045116035 date "2006-12-15" @default.
- W2045116035 modified "2023-09-25" @default.
- W2045116035 title "Temperature dependence of the specific resistance in Ti∕Al∕Ni∕Au contacts on n-type GaN" @default.
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- W2045116035 doi "https://doi.org/10.1063/1.2400825" @default.
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