The discovery of magnetism by the ancient Greeks was enabled by the natural occurrence of
lodestone–a magnetized version of the mineral magnetite. Nowadays, natural minerals …

The problem of searching for low-dimensional magnetic systems has been a topical subject
and has attracted attention of the chemistry and physics community for the last decade. In …

A series of analogous chain selenite chlorides Ba2M (SeO3) 2Cl2 (M= Cu 1, Ni 2, Co 3, Mn
4) and Pb2Cu (SeO3) 2Cl2 5 with tunable spin S from S= 1/2 to S= 5/2 have been …

A study of Nd based cuprate francisite (NdCufr) is fascinating due to the presence of
competing magnetic interactions in this geometrically frustrated layered compound, and Ni …

Abstract Single crystals of Cu 3 Bi (SeO 3) 2 O 2 Cl were investigated using high-resolution
capacitance dilatometry in magnetic fields up to 15 T. Pronounced magnetoelastic coupling …

Dy based cuprate francisite [Cu 3 Dy (SeO 3) 2 O 2 Cl, in short DyCufr] is so far potentially
the most fascinating magnetic compound in the class of francisite compounds. Synthesized …

Density-functional calculations of lattice dynamics and high-resolution synchrotron powder
diffraction uncover antiferroelectric distortion in the kagome francisite Cu 3 Bi (SeO 3) 2 O 2 …

The kagome lattice of copper ions in francisite-type compounds is quite sensitive to external
stimuli, being easily affected by temperature and magnetic field. The rare-earth ions inserted …

The synthesis of new geometrically frustrated layered systems has fueled experimental work
and progress in building models of low-dimensional magnetism. Compounds with the …

Model materials are precious test cases for elementary theories and provide building blocks
for the understanding of more complex cases. Here, we describe the lattice dynamics of the …