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Related papers: Muon spin relaxation study of LaTiO3 and YTiO3

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Dielectric study on Ca3Mn2O7 features relaxor-like segmented dynamics below the antiferromagnetic ordering. Dipolar relaxations of different origin are spectrally resolved exhibiting distinct H-field alterations. This identifies their…

Materials Science · Physics 2019-09-10 Pooja Sahlot , Gaurav Sharma , Vasant Sathe , Anand Mohan Awasthi

We present a nuclear magnetic resonance (NMR) and electron spin resonance (ESR) study of rare-earth titanates derived from the spin-1/2 Mott insulator YTiO$_3$. Measurements of single-crystalline samples of (Y,Ca,La)TiO$_3$ in a wide range…

Strongly Correlated Electrons · Physics 2024-05-10 Ana Najev , Sajna Hameed , Alexey Alfonsov , Joseph Joe , Vladislav Kataev , Martin Greven , Miroslav Požek , Damjan Pelc

Using a point-charge calculation of the electrostatic crystal field, we determine the non-degenerate orbital ground state of the ferromagnetic Mott insulator YTiO3, which is found to agree perfectly with experiment. Based on the orbital…

Strongly Correlated Electrons · Physics 2009-11-11 Robert Schmitz , Ora Entin-Wohlman , Amnon Aharony , Erwin Mueller-Hartmann

The spin states and electronic structure of layered perovskite La1.5Ca0.5CoO4 are investigated using fullpotential linearized augmented plane-wave method. All the computational results indicate that the Co2+ ion is in a high-spin state and…

Strongly Correlated Electrons · Physics 2013-05-29 Ting Jia , Hua Wu , Guoren Zhang , Xiaoli Zhang , Ying Guo , Zhi Zeng , H. Q. Lin

Muon spin relaxation ($\mu$SR) measurements in high transverse magnetic fields ($\parallel \hat c$) revealed strong field-induced quasi-static magnetism in the underdoped and Eu doped (La,Sr)$_{2}$CuO$_{4}$ and…

We report muon spin relaxation and magnetometry studies of bulk Mn$_{1.4}$Pt$_{0.9}$Pd$_{0.1}$Sn and MnNiGa, two materials which have recently been proposed to host topological magnetic states in thin lamella (antiskyrmions for…

The nature of the magnetic transition of the Na-rich thermoelectric Na$_{0.75}$CoO$_2$ at 22K was studied by positive muon-spin-rotation and relaxation ($\mu^+$SR) spectroscopy, using a polycrystalline sample in the temperature range…

Strongly Correlated Electrons · Physics 2009-11-10 Jun Sugiyama , Hiroshi Itahara , Jess H. Brewer , Eduardo J. Ansaldo , Teruki Motohashi , Maarit Karppinen , Hisao Yamauchi

The insulating pyrochlore compound Nd2Sn2O7 has been shown to undergo a second order magnetic phase transition at Tc ~ 0.91 K to a noncoplanar all-in--all-out magnetic structure of the Nd3+ magnetic moments. An anomalously slow paramagnetic…

Strongly Correlated Electrons · Physics 2017-05-04 P. Dalmas de Reotier , A. Yaouanc , A. Maisuradze , A. Bertin , P. J. Baker , A. D. Hillier , A. Forget

We present the results of muon-spin relaxation ($\mu$SR) measurements of the static and dynamic magnetism of $M_{1/3}$NbS$_2$ ($M$ = Fe, V, Mn), three intercalated transition-metal dichalcogenides. Transitions to long-range magnetic order…

Muon spin relaxation measurements on the filled skutterudite compound SmRu4P12 have been carried out in zero- and longitudinal-fields. Temperature dependence of both initial asymmetry and muon-spin depolarization rate show the appearance of…

Strongly Correlated Electrons · Physics 2009-11-11 K. Hachitani , H. Fukazawa , Y. Kohori , I. Watanabe , C. Sekine , I. Shirotani

We report results of muon spin relaxation and rotation ($\mu$SR) experiments on the spin-liquid candidate~YbMgGaO$_{4}$. No static magnetism $\gtrsim 0.003\mu_B$ per Yb ion, ordered or disordered, is observed down to 22~mK, a factor of two…

Strongly Correlated Electrons · Physics 2020-07-22 Zhaofeng Ding , Zihao Zhu , Jian Zhang , Cheng Tan , Yanxing Yang , Douglas E. MacLaughlin , Lei Shu

We report on the effects of spin fluctuations, magnetic ordering, and external magnetic field on the dielectric constant of the ferromagnet SeCuO3, and the antiferromagnet TeCuO3. A model based on the coupling between uniform polarization…

Materials Science · Physics 2009-11-10 G. Lawes , A. P. Ramirez , C. M. Varma , M. A. Subramanian

Muon spin rotation (muSR) experiments reveal unconventional spin freezing and dynamics in the two-dimensional (2D) triangular lattice antiferromagnet NiGa2S4. Long-lived disordered Ni-spin freezing (correlation time > 10-6 s at 2 K) sets in…

Strongly Correlated Electrons · Physics 2009-11-13 D. E. MacLaughlin , Y. Nambu , S. Nakatsuji , R. H. Heffner , Lei Shu , O. O. Bernal , K. Ishida

The synergistic interplay between spin correlations, spin-orbit coupling, and competing exchange interactions provides a promising route to realize exotic quantum states with nontrivial excitations in rare-earth based frustrated magnets.…

Strongly Correlated Electrons · Physics 2026-05-25 J. Khatua , D. Tay , T. Shiroka , M. Pregelj , K. Kargeti , S. K. Panda , G. B. G. Stenning , P. Manuel , M. D. Le , D. T. Adroja , P. Khuntia

The samples LaCoO3 with dilute substitutions on cobalt sites have been studied using the resistivity, thermopower and magnetic susceptibility measurements over the temperature range up to ~900 K. The Co-site substitution does not affect the…

Materials Science · Physics 2010-07-30 J. Hejtmanek , Z. Jirak , K. Knizek , M. Marysko , M. Veverka , C. Autret

Excited configurations of hydrogen in the oxyhydride BaTiO$_{3-x}$H$_x$ ($x=0.1-0.5$), which are considered to be involved in its hydrogen transport and exchange processes, were investigated by positive muon spin relaxation ($\mu^+$SR)…

Materials Science · Physics 2017-08-18 T. U. Ito , A. Koda , K. Shimomura , W. Higemoto , T. Matsuzaki , Y. Kobayashi , H. Kageyama

The disordered pyrochlore oxide Dy$_{2}$Zr$_{2}$O$_{7}$ shows the signatures of field-induced spin freezing with remnant zero-point spin-ice entropy at 5 kOe magnetic field. We have performed zero-field and longitudinal field Muon spin…

Strongly Correlated Electrons · Physics 2023-03-28 Sheetal , Pabitra K. Biswas , K. Yokoyama , D. T. Adroja , C. S. Yadav

A review of the muon spin rotation and relaxation ($\mu$SR) studies on magnetic materials published from July 1993 is presented. It covers the investigation of magnetic phase diagrams, of spin dynamics and the analysis of the magnetic…

Condensed Matter · Physics 2009-10-30 P Dalmas de Reotier , A Yaouanc

Magnetic structures of metastable perovskites ScCrO3, InCrO3 and TlCrO3, stabilized under high-pressure and high-temperature conditions, have been studied by neutron powder diffraction. Similar to the other orthochromites LnCrO3…

Strongly Correlated Electrons · Physics 2021-01-13 Lei Ding , Pascal Manuel , Dmitry D. Khalyavin , Fabio Orlandi , Yu Kumagai , Fumiyasu Oba , Wei Yi , Alexei A. Belik

Uranium beryllium-13 is a heavy fermion system whose anomalous behavior may be explained by its poorly understood internal magnetic structure. Here, uranium beryllium-13's magnetic distribution is probed via muon spin spectroscopy…

Materials Science · Physics 2018-07-11 Jack Li
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