O. Mustonen

activity

20162024

most citedSpin-liquid-like state in a spin-1/2 square-lattice antiferromagnet perovskite induced by

d^{10}

d^{0}

cation mixing

122 citations · 389 across the 14 of their papers we have counts for

collaborators

13 papers

cond-mat.str-el2024

Magnetic diffuse scattering of the $S$ = 5/2 fcc antiferromagnets Ba $_{2}$ MnTeO $_{6}$ and Ba $_{2}$ MnWO $_{6}$

Otto H. J. Mustonen, Charlotte E. Pughe, Lucile Mangin-Thro +4

We have investigated the magnetic diffuse scattering of isostructural $S$ = 5/2 fcc antiferromagnets Ba $_{2}$ MnTeO $_{6}$ and Ba $_{2}$ MnWO $_{6}$ using polarized neutrons. Both materials dis…

cond-mat.str-el2023★ 10 cited

Structure, spin correlations and magnetism of the $S = 1/2$ square-lattice antiferromagnet Sr $_{2}$ CuTe $_{1 - x}$ W $_{x}$ O $_{6}$ ( $0 \leq x \leq 1$ )

Otto H. J. Mustonen, Ellen Fogh, Joseph A. M. Paddison +10

Quantum spin liquids are highly entangled magnetic states with exotic properties. The $S = 1/2$ square-lattice Heisenberg model is one of the foundational models in frustrated magn…

cond-mat.str-el2022

Neutron diffraction evidence of the 3-dimensional structure of Ba2MnTeO6 and misidentification of the triangular layers within the face-centred cubic lattice

Otto H. J. Mustonen, Charlotte E. Pughe, Helen C. Walker +4

Ba2MnTeO6 was first characterised using X-ray diffraction and reported to show a small distortion1 from the idealised cubic perovskite which displays face-centred cubic arrangement…

cond-mat.str-el2021★ 12 cited

Site-selective $d^{10}$ / $d^{0}$ substitution in a $S = 1/2$ spin ladder Ba $_{2}$ CuTe $_{1 - x}$ W $_{x}$ O $_{6}$ ( $0 \leq x \leq 0.3$ )

Charlotte E. Pughe, Otto H. J. Mustonen, Alexandra S. Gibbs +9

Remarkably, doping isovalent $d^{10}$ and $d^{0}$ cations onto the $B$ '' site in $A_{2} B$ ' $B$ ''O $_{6}$ double perovskites has the power to direct the magnetic interactions between magnet…

cond-mat.str-el2021★ 12 cited

Valence bond glass state in the 4 $d^{1}$ fcc antiferromagnet Ba $_{2}$ LuMoO $_{6}$

O. Mustonen, H. Mutch, H. C. Walker +8

$B$ -site ordered 4 $d^{1}$ and 5 $d^{1}$ double perovskites have a number of potential novel ground states including multipolar order, quantum spin liquids and valence bond glass states.…

cond-mat.str-el2020

Fe3Se4: A Possible Ferrimagnetic Half-Metal?

Girish C. Tewari, Divya Srivastava, Reijo Pohjonen +4

Half-metallic ferromagnets show 100% spin-polarization at the Fermi level and are ideal candidates for spintronic applications. Despite the extensive research in the field, very fe…

cond-mat.str-el2020★ 30 cited

Diamagnetic d-orbitals Drive Magnetic Structure Selection in the Double Perovskite Ba $_{2}$ MnTeO $_{6}$

Otto H. J. Mustonen, Charlotte E. Pughe, Helen C. Walker +4

B-site ordered A $_{2}$ B'B''O $_{6}$ double perovskites have a variety of applications as magnetic materials. Here we show that diamagnetic $d^{10}$ and $d^{0}$ B'' cations have a signific…

cond-mat.mtrl-sci2019★ 17 cited

Long and short range magnetism in the frustrated double perovskite Ba2MnWO6

Heather Mutch, Otto Mustonen, Helen C. Walker +4

The structural and magnetic properties of the face-centered cubic double perovskite Ba2MnWO6 were investigated using neutron powder diffraction, DC-magnetometry, muon spin relaxati…

cond-mat.str-el2019★ 38 cited

Exchange Interactions Mediated by Non-Magnetic Cations in Double Perovskites

Vamshi M. Katukuri, P. Babkevich, O. Mustonen +6

Establishing the physical mechanism governing exchange interactions is fundamental for exploring exotic phases such as the quantum spin liquids (QSLs) in real materials. In this wo…

cond-mat.str-el2018★ 21 cited

Magnetic interactions in the $S = 1/2$ square-lattice antiferromagnets Ba $_{2}$ CuTeO $_{6}$ and Ba $_{2}$ CuWO $_{6}$ : parent phases of a possible spin liquid

O. Mustonen, S. Vasala, H. Mutch +5

The isostructural double perovskites Ba $_{2}$ CuTeO $_{6}$ and Ba $_{2}$ CuWO $_{6}$ are shown by theory and experiment to be frustrated square-lattice antiferromagnets with opposing dominant m…

cond-mat.str-el2018★ 52 cited

Tuning the $S = 1/2$ square-lattice antiferromagnet Sr $_{2}$ Cu(Te $_{1 - x}$ W $_{x}$ )O $_{6}$ from Néel order to quantum disorder to columnar order

O. Mustonen, S. Vasala, K. P. Schmidt +6

The spin-1/2 square-lattice Heisenberg model is predicted to have a quantum disordered ground state when magnetic frustration is maximized by competing nearest-neighbor $J_{1}$ and n…

cond-mat.str-el2018★ 122 cited

Spin-liquid-like state in a spin-1/2 square-lattice antiferromagnet perovskite induced by $d^{10}$ - $d^{0}$ cation mixing

O. Mustonen, S. Vasala, E. Sadrollahi +7

A quantum spin liquid state has long been predicted to arise in spin-1/2 Heisenberg square-lattice antiferromagnets at the boundary region between Néel (nearest-neighbor interactio…

cond-mat.str-el2016★ 37 cited

Spin wave excitations in the tetragonal double perovskite Sr $_{2}$ CuWO $_{6}$

H. C. Walker, O. Mustonen, S. Vasala +2

Sr $_{2}$ CuWO $_{6}$ is a double perovskite proposed to be at the border between two and three dimensional magnetism, with a square lattice of $S = \frac{1}{2}$ Cu $^{2 +}$ ions. We have use…

Magnetic diffuse scattering of the S = 5/2 fcc antiferromagnets Ba2​MnTeO6​ and Ba2​MnWO6​

Structure, spin correlations and magnetism of the S=1/2 square-lattice antiferromagnet Sr2​CuTe1−x​Wx​O6​ (0≤x≤1)

Neutron diffraction evidence of the 3-dimensional structure of Ba2MnTeO6 and misidentification of the triangular layers within the face-centred cubic lattice

Site-selective d10/d0 substitution in a S=1/2 spin ladder Ba2​CuTe1−x​Wx​O6​ (0≤x≤0.3)

Valence bond glass state in the 4d1 fcc antiferromagnet Ba2​LuMoO6​