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A measurement of the hole density in the ferromagnetic semiconductor Ga1-xMnxAs is notoriously difficult using standard transport techniques due to the dominance of the anomalous Hall effect. Here we report a spectroscopic measurement of the hole density in four Ga1-xMnxAs samples (x=0,0.038,...
Mott insulator of strongly interacting two-dimensional semiconductor excitons Article 16 December 2021 Introduction Electron–hole doping asymmetry in Mott insulators has been one of the key questions related to the origin of superconductivity in the proximity of the insulating state1,2,3. To investi...
Given that the hole pocket is very close to EF, the difference could be due to temperature induced shift of the chemical potential as proposed in ref. 9. Moreover, hole pockets close to each other on either side of the G point would justify the unusual magnetic breakdown observed in ...
A semiconductor device capable of overcoming a drawback due to the shape of a concave portion present in the zinc blende type compound semiconductor substrate in which the area of the bottom is larger than the surface in the cross sectional shape, as well as a manufacturing method thereof. A...
Iowa Is What Happens When Government Does Nothing The story of the coronavirus in the state is one of government inaction in the name of freedom and personal responsibility. Clickhere. How to make better zoom calls + Youmustuse a lapel mike. They will be able to hear you. Buy this $35.3...
Two low cost hexa-substituted benzene derivatives, namely HFB-OMeDPA and HPB-OMeDPA, have been successfully utilized as hole transporting materials (HTMs) for efficient perovskite solar cells (PSCs). The relationships between molecular structure, electronic properties of the semiconductor and eventually...
There are also many engineering applications in electronics, the semiconductor industry, and machine parts (i.e., as a bearing surface). Typically, cheaper metal-like iron or steel, copper, or brass is plated with silver in decorative applications. Also, nonconductors such as glass or ceramics...
Clearly, the interaction between σ electrons is far stronger than that between π electrons. The dielectric function has the non-local form ε (q) = 1 + 2παq in 2D systems as given by Keldysh35 and Cudazzo et al.36. The key is to develop one orbital-dependent potential with...
when a subwavelength hole in a silver thin film is surrounded by well-designed patterns of grooves, the wavefront of the infrared light through it can be shaped into a preset complicated pattern such as a Latin letter 'L' or 'O' at a given position instead of being diffracted in all dir...