The magnetic groundstate of an experimental $S=1/2$ kagomé antiferromagnet

M. A. de Vries, K. V. Kamenev, W. A. Kockelmann +2

We have carried out neutron powder-diffraction measurements on zinc paratacamite Zn${}_x$Cu${}_{4-x}$(OH)${}_6$Cl${}_2$ with $x=1$, and studied the heat capacity in fields of up to 9 T for…