Nevill Mott's Letter on Switching in Melanins

From Professor Sir Nevill Mott,frs

Oct 30

Dear Dr. McGinness

Your reprints are fascinating-- especially switching "in melanin", so like and yet so unlike the chalcogenide switches

On the latter, Adler, Heimsch & Mott (Rev. Mod. Phys. April 1978 ) represents my views---- but the model can hardly apply to melanin.

I have always hoped that these ideas will become of use in biology--- but doubt that the time has yet come. The next conference on amorphous materials is at Harvard ( Aug, 1978 ), organizer Prof W. Paul. Is it time for biological materials to make their debut there ?

Yours sincerely

Nevill Mott







Keywords: organic semiconductors hopping nobel prize melanin metal localized states soliton polyaniline polyacetylene amorphous density of states polythiophene chemistry 2000 mobility gap metals conductive semiconductor black materials dihydroxyindole dhi organic phonon charge-transfer doped doping electron donor acceptor complex biological substantia nigra parkinsonism psychosis dyskinesia deafness quantum band hole metal copper controversy questionable wilson's disease iron transition series metal hemochromatosis locus caeruleus iodine iodism pigment cell nitric oxide nitrone tempo tempol peroxinitrite biological manganese liver inner ear pars compacta midbrain electrochemical free radical esr spin polymers resonance spin traps label interfaces crystaline polymer switching amorphous superoxide dismutase threshold switch battery energy storage device redox signaling semiconductor.

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Electrical, optical and magnetic behavior
Insulating films
Insulating surfaces
Metal/semiconductor interfaces
Schottky barrier
Other interfaces
Metal-semiconductor non-magnetic heterostructures
Semiconductor-semiconductor heterostructures
Superconductor-semiconductor heterostructures
Heterostructures with non-linear optical response