Ordered State in a Haldane Material PbNi${}_2$V${}_2$O${}_8$ Doped with Magnetic and Non-Magnetic Impurities

S. Imai, T. Masuda, T. Matsuoka +1

Impurity effect is systematically studied in doped Haldane material Pb(Ni${}_{1-x}$$M_x$)${}_2$V${}_2$O${}_8$ ($M$ = Mn, Co, Cu, and Mg) by use of DC and AC susceptibility, and heat capaci…