activity
20032021
most citedArtificial "spin ice" in a geometrically frustrated lattice of nanoscale ferromagnetic islands

882 citations · 1k across the 9 of their papers we have counts for

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cond-mat.str-el2021★ 54 cited

Magnetic field induced quantum spin liquid in the two coupled trillium lattices of KNi(SO)

Ivica Zivkovic, Virgile Favre, Catalina Salazar Mejia +19

Quantum spin liquids are exotic states of matter which form when strongly frustrated magnetic interactions induce a highly entangled quantum paramagnet far below the energy scale o…

cond-mat.str-el2018

Dynamic magnetism in the disordered hexagonal double perovskite BaTiMnO

M. R. Cantarino, R. P. Amaral, R. S. Freitas +10

Magnetic frustration and disorder are key ingredients to prevent the onset of magnetic order. In the disordered hexagonal double perovskite BaTiMnO, Mn…

cond-mat.str-el2017★ 8 cited

Doping-induced quantum cross-over in ErTiSnO

Masae Shirai, Rafael S. Freitas, Jorge Lago +3

We present the results of the investigation of magnetic properties of the ErTiSnO series. For small doping values the ordering temperature decreases linearly wi…

cond-mat.str-el2017★ 7 cited

Magnetic-field-induced ordered phase in the chloro-bridged copper(II) dimer system [Cu2(apyhist)2Cl2](ClO4)2

R. S. Freitas, W. A. Alves, A. Paduan-Filho

Specific heat and magnetization measurements of the compound [Cu2(apyhist)2Cl2](ClO4)2, where apyhist = (4-imidazolyl)ethylene-2-amino-1-ethylpyridine), were used to identify a mag…

cond-mat.str-el2016★ 1 cited

Crossover from one- to three-dimensional behavior in the S = 1/2 Heisenberg antiferromagnet Cu(N2H5)2(SO4)2

A. Paduan-Filho, A. P. Vieira, J. G. A. Ramon +1

From experimental and theoretical analyses of magnetic and specific-heat properties, we present the complete magnetic phase diagram of the quasi-one-dimensional antiferromagnet Cu(…

cond-mat.str-el2016

Universal Dynamic Magnetism in Yb-Pyrochlores with Disparate Ground States

A. M. Hallas, J. Gaudet, N. P. Butch +5

The ytterbium pyrochlore magnets, Yb2B2O7 (B = Sn, Ti, Ge) are well described by S_eff = 1/2 quantum spins decorating a network of corner-sharing tetrahedra and interacting via ani…