Issue Date: October 8, 2007
TITANIUM AND ZIRCONIUM have traditionally dominated group 4 chemistry. Hafnium, the third member of this group of early transition metals, has been the odd element out. But not anymore.
Steady progress in revealing hafnium's secrets during the past decade, including several key findings made this year, has the chemistry community taking notice of hafnium's potential capabilities as a catalyst to advance N2 and C–H activation reactions.
Christoph Marschner, a chemistry professor at Graz University . . .
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