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For the spin-3/2 kagome staircase system Co3V2O8, magnetic field (H)-temperature (T) phase diagrams have been constructed for the fields along three principal directions up to 5 T, using results of various macroscopic measurements on single…

Strongly Correlated Electrons · Physics 2015-06-25 Yukio Yasui , Yusuke Kobayashi , Minoru Soda , Taketo Moyoshi , Masatoshi Sato , Naoki Igawa , Kazuhisa Kakurai

The effect of a magnetic field on the two long-range-ordered magnetic phases, the collinear insulating antiferromagnetic (AFI) and the incommensurate metallic transverse spin density wave (SDW), is investigated for the vanadium sesquioxide…

Strongly Correlated Electrons · Physics 2007-05-23 Wei Bao , A H Lacerda , J D Thompson , J M Honig , P Metcalf

Structural and magnetic properties have been studied for polycrystalline Zn_{1-x}TM_xO, where TM (transition metal ions) = Mn, Fe, and Co. No bulk ferromagnetism was observed for single-phase materials, contrary to the existing theories.…

Materials Science · Physics 2009-11-10 S. Kolesnik , B. Dabrowski , J. Mais

Recent discovery of topologically non-trivial behavior in Co3Sn2S2 stimulated a notable interest in this itinerant ferromagnet (Tc = 174 K). The exact magnetic state remains ambiguous, with several reports indicating the existence of a…

Strongly Correlated Electrons · Physics 2022-11-30 Ivica Zivkovic , Ravi Yadav , Jian-Rui Soh , ChangJiang Yi , YouGuo Shi , Oleg V. Yazyev , Henrik M. Ronnow

Spatial phase separation into mesoscopic domains of non-magnetic [superconducting (SC) below Tc = 25.5 K] and two kinds of magnetic phases, one showing disordered spin density wave (d-SDW) order and another associated with glassy weak…

Strongly Correlated Electrons · Physics 2014-11-14 M. Hiraishi , R. Kadono , M. Miyazaki , I. Yamauchi , A. Koda , K. M. Kojima , M. Ishikado , S. Wakimoto , S. Shamoto

We have prepared a series of polycrystalline samples La$_{0.5}$Sr$_{0.5}$CoO$_{3-\delta}$} with $0 < \delta \le 0.21$ and characterized their oxygen content, crystal structure, and magnetic properties. While the fully oxygenated samples are…

Materials Science · Physics 2007-05-23 Ryan P. Haggerty , Ram Seshadri

We have performed an extensive test of the ability of density functional theory within several approximations for the exchange-correlation functional, local density approximation+Hubbard $U$ and local density approximation + dynamic mean…

Strongly Correlated Electrons · Physics 2014-10-28 Oscar Grånäs , Igor di Marco , Olle Eriksson , Lars Nordström , Corina Etz

We report on detailed sucseptibility and magnetization studies in La{1-x}Sr{x}MnO3 for x<=0.2. We arrive at a phase diagram which shows a ferromagnetic ground state for 0.1<=x<=0.15 followed by a canted antiferromagnetic phase at higher…

Strongly Correlated Electrons · Physics 2007-05-23 M. Paraskevopoulos , J. Hemberger , A. Loidl , A. A. Mukhin , V. Yu. Ivanov , A. M. Balbashov

We present magnetic and transport measurements on La5/8-yPryCa3/8MnO3 with y = 0.3, a manganite compound exhibiting intrinsic multiphase coexistence of sub-micrometric ferromagnetic and antiferromagnetic charge ordered regions. Time…

Strongly Correlated Electrons · Physics 2009-11-13 M. Quintero , F. Parisi , G. Leyva , L. Ghivelder

We report new zero-field muon spin relaxation and neutron spin echo measurements in ferromagnetic (FM) (La,Ca)MnO3 which taken together suggest two spatially separated regions in close proximity possessing very different Mn-ion spin…

Strongly Correlated Electrons · Physics 2009-10-31 R. H. Heffner , J. E. Sonier , D. E. MacLaughlin , G. J. Nieuwenhuys , G. Ehlers , F. Mezei , S-W. Cheong , J. S. Gardner , H. Roder

We elucidate magnetic effects in the skyrmion system to probe into the dense nuclear matter. We find a deformed $\pi^0$ dipole structure of a baryon induced by a magnetic field. We then extend our scope to stacked Skyrme crystal layers to…

High Energy Physics - Phenomenology · Physics 2022-03-07 Shi Chen , Kenji Fukushima , Zebin Qiu

The magnetic phases of a triangular-lattice antiferromagnet, CuCrO$_2$, were investigated in magnetic fields along to the $c$ axis, $H$ // [001], up to 120 T. Faraday rotation and magneto-absorption spectroscopy were used to unveil the rich…

Strongly Correlated Electrons · Physics 2017-11-22 Atsuhiko Miyata , Oliver Portugall , Daisuke Nakamura , Kenya Ohgushi , Shojiro Takeyama

The properties of $\isotope[12]{C}$, $\isotope[16]{O}$, and $\isotope[20]{Ne}$ nuclei in strong magnetic fields $B\simeq 10^{17}\,$G are studied in the context of strongly magnetized neutron stars and white dwarfs. The SKY3D code is…

Nuclear Theory · Physics 2016-09-12 Martin Stein , Joachim Maruhn , Armen Sedrakian , P. -G. Reinhard

Neutron scattering has been used to investigate the evolution of the long- and short-range charge-ordered (CO), ferromagnetic (FM), and antiferromagnetic (AF) correlations in single crystals of Pr1-xCaxMnO3. The existence and population of…

Strongly Correlated Electrons · Physics 2009-11-13 Hao Sha , F. Ye , Pengcheng Dai , J. A. Fernandez-Baca , D. Mesa , J. W. Lynn , Y. Tomioka , Y. Tokura , Jiandi Zhang

The magnetic system of the pseudobinary compound Mn$_{1-x}$Co$_{x}$Ge has been studied using small-angle neutron scattering and SQUID-measurements. It is found that Mn$_{1-x}$Co$_{x}$Ge orders magnetically at low temperatures in the whole…

Strongly Correlated Electrons · Physics 2018-04-25 E. Altynbaev , S. -A. Siegfried , P. Strauß , D. Menzel , A. Heinemann , L. Fomicheva , A. Tsvyashchenko , S. Grigoriev

Spin-state transition, also known as spin crossover, plays a key role in diverse systems, including minerals and biological materials. In theory, the boundary range between the low- and high-spin states is expected to enrich the transition…

We present triple-axis neutron scattering studies of static and dynamic magnetic stripes in an optimally oxygen-doped cuprate superconductor, La$_{2}$CuO$_{4+y}$, which exhibits a clean superconducting transition at $T_{\rm c}=42$ K.…

The influence of random interlayer exchange on the phase states of the simplest magnetic heterostructure consisting of two ferromagnetic Ising layers with large interaction radius is studied. It is shown that such system can exist in three…

Materials Science · Physics 2013-05-29 P. N. Timonin , V. B. Shirokov

Magnetic properties of single crystalline SmRu$_{2}$Al$_{10}$ have been investigated by electrical resistivity, magnetic susceptibility, and specific heat. We have confirmed the successive magnetic phase transitions at $T_{\text{N}}=12.3$ K…

Strongly Correlated Electrons · Physics 2015-12-10 S. Takai , T. Matsumura , H. Tanida , M. Sera

We present a comprehensive study of the magnetic properties of Sr$_{3-x}$Y$_{x}$(Fe$_{1.25}$Ni$_{0.75}$)O$_{7-\delta}$ ($0 \leq x \leq 0.75$). Experimentally, the magnetic properties are investigated using superconducting quantum…

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