Catalytic Growth of N-doped MgO on Mo(001)

Morgenstern, Markus; Lezaić, M; Pratzer, M; Grob, M.

doi:10.1103/PhysRevB.86.075455

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Catalytic Growth of N-doped MgO on Mo(001)

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Author(s): Markus Morgenstern, M Lezaić, M Pratzer, M. Grob

Publication date: 2013-05-30

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Abstract

A simple pathway to grow thin films of N-doped MgO (MgO:N), which has been found experimentally to be a ferromagnetic d0 insulator, is presented. It relies on the catalytic properties of a Mo(001) substrate using growth of Mg in a mixed atmosphere of O2 and N2. Scanning tunneling spectroscopy reveals that the films are insulating and exhibit an N-induced state slightly below the conduction band minimum.