Hafnium Hafnium compounds Isotopes of hafnium Hafnium disulfide Hafnium tetrachloride Hafnium tetrabromide Hafnium(IV) silicate Hafnium carbide Hafnium(III) iodide Hafnium nitrate Hafnium(IV) oxide Hafnium–tungsten dating Hafnium diboride Hafnium tetrafluoride Hafnium(IV) iodide Hafnium acetylacetonate Hafnium (group) Hafnium controversy Hafnium carbonitride Hafnium nitrides Hafnium trifluoromethanesulfonate Tantalum hafnium carbide Hafnium phosphide Lutetium–hafnium dating Rutherfordium Induced gamma emission