Negative thermal expansion, Trigonal

• Fe-Mo-O-Rb
• Cr-Li-O
• Br-Co-Rb
• Mo-O-Zr
• Al-O-P
• thermal and thermodynamic properties
• structural properties
• magnetic properties
• thermal expansion
• electronic and electrical properties
• negative thermal expansion
• chalcogen
• transitional
• non-disordered
• nonmetal