Johannes Richter

activity

19972024

J_{1}

J_{2}

antiferromagnet on the stacked square lattice: Influence of the interlayer coupling on the ground-state magnetic ordering

126 citations · 1.4k across the 45 of their papers we have counts for

collaborators

Showing 2013Show all

2 papers · 1 filter

cond-mat.str-el2013★ 73 cited

Quantum s = 1/2 Antiferromagnets on Archimedean Lattices: The Route from Semiclassical Magnetic Order to Nonmagnetic Quantum States

D. J. J. Farnell, O. Goetze, J. Richter +2

We investigate ground states of $s$ =1/2 Heisenberg antiferromagnets on the eleven two-dimensional (2D) Archimedian lattices by using the coupled cluster method. Magnetic interactio…

cond-mat.mtrl-sci2013★ 14 cited

Geometrical origin of ferrimagnetism and superparamagnetism in Fe-based double perovskite multiferroics

R. O. Kuzian, V. V. Laguta, J. Richter

We show that a superstructure of antiferromagnetically interacting Fe $^{3 +}$ ( $S = 5/2$ ) ions in double perovskites AFe $_{1/2}$ M $_{1/2}$ O $_{3}$ exhibits a ferrimagnetic ordering belo…