Progress in ammonothermal crystal growth of indium nitride

Article Chemistry, Inorganic & Nuclear

Two Intermediates in Ammonothermal InN Crystal Growth: [In(NH3)5Cl]Cl2 and InF2(NH2)

Peter Becker et al.

Summary: Ammonothermal synthesis shows promise in the synthesis and crystal growth of the metastable semiconductor InN, with the successful synthesis of two novel intermediates. These intermediates were obtained under specific temperature and pressure conditions in the ammonothermal process, and are expected to play a positive role in the growth of InN crystals.

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE (2021)

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Review Crystallography

Numerical Simulation of Ammonothermal Crystal Growth of GaN-Current State, Challenges, and Prospects

Saskia Schimmel et al.

Summary: Numerical simulations play a crucial role in the design and optimization of crystal growth processes, especially for ammonothermal growth of bulk GaN where technical limitations in experimental investigations and accessing internal parameters exist. Factors such as fluid flow, thermal boundary conditions, and uncertainty in fluid properties under specific conditions are key considerations for developing accurate numerical models. A closer integration of numerical modeling, physical modeling, and measurements under ammonothermal process conditions is necessary to improve the accuracy of simulations.

CRYSTALS (2021)

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Article Crystallography

Indium Ammoniates from Ammonothermal Synthesis: InAlF6(NH3)2, [In(NH3)6][AlF6], and [In2F(NH3)10]2[SiF6]5 • 2 NH3

Peter Becker et al.

Summary: The successful ammonothermal synthesis of three ammoniates of indium from near-ammononeutral conditions in the presence of fluoride ions was achieved. The crystal structures reveal specific layer-type or isolated structures, with strong hydrogen bonding systems present in the intermediates. Additionally, the syntheses were performed in supercritical ammonia.

CRYSTALS (2021)

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Article Chemistry, Physical