C. Stock, L.C. Chapon, O. Adamopoulos, A. Lappas, M. Giot, J.W. Taylor, M.A. Green, C.M. Brown, and P.G. Radaelli,

103

077202-4

2009

doi.org/10.1103/PhysRevLett.103.077202

Journal

Phys. Rev. Lett.