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Solid Solutions of Grimm-Sommerfeld Analogous Nitride Semiconductors II-IV-N2 (II=Mg, Mn, Zn; IV=Si, Ge): Ammonothermal Synthesis and DFT Calculations.


ABSTRACT: Grimm-Sommerfeld analogous II-IV-N2 nitrides such as ZnSiN2 , ZnGeN2 , and MgGeN2 are promising semiconductor materials for substitution of commonly used (Al,Ga,In)N. Herein, the ammonothermal synthesis of solid solutions of II-IV-N2 compounds (II=Mg, Mn, Zn; IV=Si, Ge) having the general formula (IIa 1-x IIb x )-IV-N2 with x≈0.5 and ab initio DFT calculations of their electronic and optical properties are presented. The ammonothermal reactions were conducted in custom-built, high-temperature, high-pressure autoclaves by using the corresponding elements as starting materials. NaNH2 and KNH2 act as ammonobasic mineralizers that increase the solubility of the re

SUBMITTER: Mallmann M 

PROVIDER: S-EPMC6916306 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature