Synthesis of Defect Perovskites (He_2-x□_x)(CaZr)F₆ by Inserting Helium into the Negative Thermal Expansion Material CaZrF₆

Chemistry

• Helium 100%
• Thermal Expansion 100%
• Phase Composition 20%
• Ambient Reaction Temperature 20%
• Neutron Diffraction 20%
• Reaction Stoichiometry 20%
• Silicon Dioxide 20%
• Rietveld Refinement 20%
• Structural Chemistry 20%
• Noble Gas Atom 20%
• Hydrogen 20%

Material Science

• Negative Thermal Expansion 100%
• Neutron Diffraction 50%
• Silicon Dioxide 50%
• Inert Gas 50%
• Phase Composition 50%