Introduction Mercuryselenideisan typezero gapsemiconduc torinzincblendestructure.ThemodificationHgSe:Fe withanirondopingnFe>5×1018cm-3leadstoa mixed valenceregimeofFe++/Fe+++systemanda pinningoftheFermi energytotheenergyofirondonor about210meVabovethebandedge[1].Pronounced short rangecorrelationeffectsinFe++/Fe+++system giverisetoadrasticmobilityincrease,sothatHgSe:Feasahostmaterialfornano structuredsystemsen surestheobservabilityofanyquantumeffect[2].1RecentexperimentsonHgSe:Feinmag n…