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We study Ising antiferromagnets that have nearest-neighbour interactions on multilayer triangular lattices with frustrated ($abc$ and $abab$) stacking, and make comparisons with the unfrustrated ($aaa$) stacking. If interlayer couplings are…

Statistical Mechanics · Physics 2016-12-14 D. T. Liu , F. J. Burnell , L. D. C. Jaubert , J. T. Chalker

Muon spin relaxation measurements on some quantum spin ice candidate materials, the insulating pyrochlores Pr2B2O7 (B = Sn, Zr, Hf), have been performed for temperatures in the range 0.05-280 K. The results are indicative of a static…

Strongly Correlated Electrons · Physics 2015-06-22 F. R. Foronda , F. Lang , J. S. Möller , T. Lancaster , A. T. Boothroyd , F. L. Pratt , S. R. Giblin , D. Prabhakaran , S. J. Blundell

We present results from muon spin relaxation/rotation, magnetization, neutron scattering and transport measurements on polycrystalline samples of the pyrochlore iridates Y2Ir2O7 (Y-227) and Yb2Ir2O7 (Yb-227). Well-defined spontaneous…

Strongly Correlated Electrons · Physics 2012-08-08 S. M. Disseler , Chetan Dhital , A. Amato , S. R. Giblin , Clarina de la Cruz , Stephen D. Wilson , M. J. Graf

We present the results of muon-spin relaxation (muSR) measurements on the hexagonal manganite HoMnO3. Features in the temperature-dependent relaxation rate, lambda, correlate with the magnetic transitions at 76 K, 38 K and 34 K. The highest…

Strongly Correlated Electrons · Physics 2015-05-14 H. J. Lewtas , T. Lancaster , P. J. Baker , S. J. Blundell , D. Prabhakaran , F. L. Pratt

The magnetization dynamics of the triangular lattice of Ising spin chains is investigated in the framework of a two-dimensional model. The rigid chains are assumed to interact with the nearest neighboring chains, an external magnetic field,…

Strongly Correlated Electrons · Physics 2009-11-13 Yu. B. Kudasov , A. S. Korshunov , V. N. Pavlov , D. A. Maslov

We performed high-field magnetization, magnetocaloric effect (MCE), and NMR measurements on the Ising triangular-lattice antiferromagnet Rb$_2$Co(SeO$_3$)$_2$. The observations of the 1/3-magnetization plateau, the split NMR lines, and the…

muSR experiments on the geometrically frustrated spinel oxide, Li2Mn2O4, show the development of spin correlations over a range of length scales with decreasing temperature. Increased relaxation below 150 K is consistent with the onset of…

Strongly Correlated Electrons · Physics 2009-11-11 C. R. Wiebe , P. L. Russo , A. T. Savici , Y. J. Uemura , G. J. MacDougall , G. M. Luke , S. Kuchta , J. E. Greedan

The subtle interplay between competing degrees of freedom, crystal electric fields, and spin correlations can lead to exotic quantum states in 4f ion-based frustrated triangular lattice antiferromagnets. We present the crystal structure,…

Strongly Correlated Electrons · Physics 2026-03-17 M. Barik , J. Khatua , Suyoung Kim , Eundeok Mun , Suheon Lee , Bassam Hitti , Gerald D. Morris , Kwang-Yong Choi , P. Khuntia

Recent research suggests the possibility of the two-dimensional breathing-Kagome magnet Nb$_3$Cl$_8$ hosting a quantum spin liquid state, warranting further study into its magnetic properties. Using ab initio calculations, we show that…

Mesoscale and Nanoscale Physics · Physics 2026-01-22 Tharindu Fernando , Ting Cao

The magnetic properties of Ba3TiRu2O9 , whose crystal structure is based on stacked triangular planar lattices of MO6 dimers and single MO6 octahedra, are reported. The system is magnetically disturbed by a substantial amount of Ti/Ru…

Strongly Correlated Electrons · Physics 2020-11-03 Loi T. Nguyen , R. J. Cava

Currently under active study in condensed matter physics, both theoretically and experimentally, are quantum spin liquid (QSL) states, in which no long-range magnetic ordering appears at low temperatures due to strong quantum fluctuations…

Strongly Correlated Electrons · Physics 2019-07-04 Ruidan Zhong , Shu Guo , Guangyong Xu , Zhijun Xu , Robert J. Cava

Static electrical and magnetic properties of single crystal BaVS_3 were measured over the structural (T_S=240K), metal-insulator (T_MI=69K), and suspected orbital ordering (T_X=30K) transitions. The resistivity is almost isotropic both in…

Strongly Correlated Electrons · Physics 2009-10-31 G. Mihaly , I. Kezsmarki , F. Zamborszky , M. Miljak , K. Penc , P. Fazekas , H. Berger , L. Forro

The three-dimensional (3D) magnet KBaFe$_2$(PO$_4$)$_3$ hosts a double-trillium lattice of Fe$^{3+}$ (spin, $S=5/2$) ions offering a prototypical platform to study the frustration induced effects in 3D. Through magnetization, specific heat,…

We report magnetization, electron spin resonance (ESR), and muon spin relaxation ($\mu $SR) measurements on single crystals of the $S=1/2$ (Cu$% ^{+2}$) kagom\'{e} compound Cu(1,3-benzendicarboxylate). The $\mu $SR is carried to…

Strongly Correlated Electrons · Physics 2015-06-18 Oren Ofer , Lital Marcipar , V. Ravi Chandra , Snir Gazit , Daniel Podolsky , Daniel P. Arovas , Amit Keren

High-Curie-temperature ferromagnets are promising candidates for designing new spintronic devices. Here we have successfully synthesized a single-crystal sample of the itinerant ferromagnet Mn$ _{5}$Ge$_{3}$ used flux method and its…

We have studied the low temperature a.c. magnetic susceptibility of the diluted spin ice compound Dy(2-x)MxTi2O7, where the magnetic Dy ions on the frustrated pyrochlore lattice have been replaced with non-magnetic ions, M = Y or Lu. We…

Materials Science · Physics 2007-05-23 J. Snyder , B. G. Ueland , Ari Mizel , J. S. Slusky , H. Karunadasa , R. J. Cava , P. Schiffer

We report pressure-dependent neutron diffraction and muon spin relaxation/rotation measurements combined with first-principles calculations to investigate the structural, magnetic, and electronic properties of BaFe$_2$S$_3$ under pressure.…

Spin ices, frustrated magnetic materials analogous to common water ice, are exemplars of high frustration in three dimensions. Recent experimental studies of the low-temperature properties of the paradigmatic Dy$_2$Ti$_2$O$_7$ spin ice…

Statistical Mechanics · Physics 2016-01-19 P. Henelius , T. Lin , M. Enjalran , Z. Hao , J. G. Rau , J. Altosaar , F. Flicker , T. Yavors'kii , M. J. P. Gingras

The molecular dynamics of regioregulated poly(3-hexylthiophene) P3HT is investigated using muon spin relaxation ($\mu$SR). The response of the $\mu$SR spectra to a longitudinal magnetic field ($B_{\rm LF}$, parallel to the initial muon spin…

Materials Science · Physics 2024-07-22 S. Takeshita , K. Hori , M. Hiraishi , H. Okabe , A. Koda , D. Kawaguchi , K. Tanaka , R. Kadono

We present the results of zero-field muon-spin relaxation measurements made on the double perovskite insulators Sr$_{2}B$OsO$_6$ ($B={\rm Fe, Y, In}$). Spontaneous muon-spin precession indicative of quasistatic long range magnetic ordering…

Strongly Correlated Electrons · Physics 2016-01-27 R. C. Williams , F. Xiao , I. O. Thomas , S. J. Clark , T. Lancaster , G. A. Cornish , S. J. Blundell , W. Hayes , A. K. Paul , C. Felser , M. Jansen