Thermal Conductivity due to Spins in the Two-Dimensional Spin System Ba${}_2$Cu${}_3$O${}_4$Cl${}_2$

Masumi Ohno, Takayuki Kawamata, Megumi Akoshima +1

We have measured the temperature dependences of the thermal conductivity of Ba${}_2$Cu${}_{3-x}{M}_x$O${}_4$Cl${}_2$ ($M$ = Pd, Ni, Co; $x$ = 0, 0.03) single crystals including two-dimension…