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The temperature dependence of the resistivity (ρ) of Ag-doped BiSe (AgBiSe) shows insulating behavior above 35 K, but below 35 K, ρ suddenly decreases with decreasing temperature, in contrast to the metallic behavior for non-doped BiSe at 1.5-300 K. This significant change in transport properties from metallic behavior clearly shows that the Ag doping of BiSe can effectively tune the Fermi level downward. The Hall effect measurement shows that carrier is still electron in AgBiSe and the electron density changes with temperature to reasonably explain the transport properties. Furthermore, the positive gating of AgBiSe provides metallic behavior that is similar to that of non-doped BiSe, indicating a successful upward tuning of the Fermi level.
This article was published in the following journal.
Name: Scientific reports
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Investigative techniques which measure the topological, geometric, and or geographic properties of the entities studied.
Nucleic acid regulatory sequences that limit or oppose the action of ENHANCER ELEMENTS and define the boundary between differentially regulated gene loci.
The level of governmental organization and function at the national or country-wide level.
Techniques which study entities using their topological, geometric, or geographic properties and include the dimension of time in the analysis.
A situation in which the level of living of an individual, family, or group is below the standard of the community. It is often related to a specific income level.