Cubic and hexagonal boron nitride phases and phase boundaries
Abhijit Biswas, Gustavo A. Alvarez, Manoj Tripathi, Jonghoon Lee, Tymofii S. Pieshkov, Chenxi Li, Bin Gao, Anand B. Puthirath, Xiang Zhang, Tia Gray, Jacob Elkins, Robert Vajtai, Pengcheng Dai, A. Glen Birdwell, Mahesh R. Neupane, Tony Ivanov, Elias Garratt, Bradford B. Pate, Ajit K. Roy, Alan Β. Dalton, Zhiting Tian, Pulickel M. Ajayan
Abstract
We used temperature-dependent spark plasma sintering to induce phase transformations of metastable 3D c-BN to mixed-phase 3D/2D c-BN/h-BN and ultimately to the stable 2D h-BN phase at high temperature, useful for extreme-temperature technology.
Topics & Concepts
Materials scienceHexagonal boron nitrideBoron nitridePhase (matter)BoronHexagonal crystal systemNitrideCrystallographyCondensed matter physicsNanotechnologyGraphenePhysicsOrganic chemistryChemistryLayer (electronics)Graphene research and applicationsBoron and Carbon Nanomaterials ResearchThermal properties of materials