Mott Insulating Ground State on a Triangular Surface Lattice

H. H. Weitering, X. Shi, P. D. Johnson, J. Chen, N. J. DiNardo, K. Kempa
1997 Physical Review Letters  
doi:10.1103/physrevlett.78.1331 fatcat:qto3fbz6qfa25ou7glj44ozjye