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Related papers: BaMn$_2$P$_2$: Highest magnetic ordering temperatu…

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The antiferromagnetic heavy-fermion compound Ce$_2$RhIn$_8$ belongs to the same family and bears similarities with the well-studied prototypical material CeRhIn$_5$, which demonstrates a unique behavior under applied magnetic field. Here,…

Strongly Correlated Electrons · Physics 2025-05-19 T. Klein , C. Marcenat , A. Demuer , J. Sarrade , D. Aoki , I. Sheikin

Magnetic moments intercalated into layered transition metal dichalcogenides are an excellent system for investigating the rich physics associated with magnetic ordering in a strongly anisotropic, strong spin-orbit coupling environment. We…

Strongly Correlated Electrons · Physics 2015-04-08 Will J. Hardy , Chih-Wei Chen , A. Marcinkova , Heng Ji , Jairo Sinova , D. Natelson , E. Morosan

The Haldane spin-chain compound, Tb2BaNiO5, has been known to order antiferromagnetically below (T_N= ) 63 K. The present magnetic studies on the polycrystals bring out that there is another magnetic transition at a lower temperature (T_2=…

Strongly Correlated Electrons · Physics 2019-02-22 Sanjay Kumar Upadhyay , P. L. Paulose , E. V. Sampathkumaran

We report the crystal growth and structural, magnetic, conductivity, and specific heat investigations of Rb(1-x)Fe(2-y)Se2 single crystals with varying stoichiometry prepared by self-flux and Bridgman methods. The system exhibits a strongly…

Superconductivity · Physics 2011-11-01 V. Tsurkan , J. Deisenhofer , A. Günther , H. -A. Krug von Nidda , S. Widmann , A. Loidl

The thermodynamic properties of the pyrochlore Yb2Ti2O7 material are calculated using the numericallinked-cluster (NLC) calculation method for an effective anisotropic-exchange spin-1/2 Hamiltonian with parameters recently determined by…

Strongly Correlated Electrons · Physics 2014-04-11 N. R. Hayre , K. A. Ross , R. Applegate , T. Lin , R. R. P. Singh B. D. Gaulin , M. J. P. Gingras

We present a single crystal neutron scattering study of BaMn2Bi2, a recently synthesized material with the same ThCr2Si2-type structure found in several Fe-based unconventional superconducting materials. We show long range magnetic order,…

Strongly Correlated Electrons · Physics 2014-10-31 S. Calder , B. Saparov , H. B. Cao , J. L. Niedziela , M. D. Lumsden , A. S. Sefat , A. D. Christianson

The ternary-arsenide compound BaCo2As2 was previously proposed to be in proximity to a quantum-critical point where long-range ferromagnetic (FM) order is suppressed by quantum fluctuations. Here we report the effect of Ir substitution for…

Strongly Correlated Electrons · Physics 2020-07-02 Santanu Pakhira , N. S. Sangeetha , V. Smetana , A. -V. Mudring , D. C. Johnston

Layered transition-metal compounds have received great attention owing to their novel physical properties. Here, we present the structural, electronic, thermal, and magnetic properties of BaMn2Sb2 and Ba2Mn3Sb2O2 single crystals, both with…

Strongly Correlated Electrons · Physics 2019-05-22 Qiang Zhang , Zhenyu Diao , Huibo Cao , Ahmad Saleheen , Ramakanta Chapai , Dongliang Gong , Shane Stadler , R. Jin

Large single crystals of the new compound SrMn$_2$V$_2$O$_8$ have been grown by the floating-zone method. This transition-metal based oxide is isostructural to SrNi$_2$V$_2$O$_8$, described by the tetragonal space group $I4_1cd$. Magnetic…

Strongly Correlated Electrons · Physics 2011-07-28 Sandra K. Niesen , Oliver Heyer , Thomas Lorenz , Martin Valldor

We report systematic 31P-NMR study on iron (Fe)-based superconductors SrFe2(As_{1-x}P_{x})2 (Sr122AsP), in which a superconducting (SC) transition temperature Tc at x=0.35 increases from Tc=26 K up to 33 K by annealing an as-grown…

Superconductivity · Physics 2016-10-31 M. Miyamoto , H. Mukuda , T. Kobayashi , M. Yashima , Y. Kitaoka , S. Miyasaka , S. Tajima

We have measured the specific heat of the S = 1/2 alternating Heisenberg antiferromagnetic chain compound pentafluorophenyl nitronyl nitroxide in magnetic fields using a single crystal and powder. A sharp peak due to field-induced magnetic…

Strongly Correlated Electrons · Physics 2007-11-16 Yasuo Yoshida , Tatsuya Kawae , Yuko Hosokoshi , Katsuya Inoue , Nobuya Maeshima , Koichi Okunishi , Kiyomi Okamoto , Toru Sakai

Magnetic materials with high mobilities are intriguing subject of research from both fundamental and application perspectives. Based on first-principle calculations, we investigate the physical properties of the already synthesized AMnBi(A…

Mesoscale and Nanoscale Physics · Physics 2020-08-05 Ziming Zhu , Chunyan Liao , Si Li , Xiaoming Zhang , Weikang Wu , Zhi-Ming Yu , Rui Yu , Wei Zhang , Shengyuan A. Yang

We present a complete characterization of ferromagnetic system CeIr2B2 using powder x-ray diffraction XRD, magnetic susceptibility chi(T), isothermal magnetization M(H), specific heat C(T), electrical resistivity rho(T,H), and…

Strongly Correlated Electrons · Physics 2012-07-24 A. Prasad , V. K. Anand , U. B. Paramanik , Z. Hossain , R. Sarkar , N. Oeschler , M. Baenitz , C. Geibel

Specific heat studies of the Sr$_{1-x}$Ba$_x$Mn$_{1-y}$Ti$_y$O$_3$ polycrystalline samples performed by the relaxation and DSC methods over the temperature range 2 - 450 K are reported. Anomalies accompanying the…

Statistical Mechanics · Physics 2025-07-31 J. Wieckowski , A. Szewczyk , M. U. Gutowska , B. Dabrowski

We have studied the influence of external pressure up to 1 GPa on the magnetic transitions of the orthorhombic Haldane-spin chain compound Tb2BaNiO5 an exotic multiferroic material. This parent compound is known to undergo N\'eel ordering…

Strongly Correlated Electrons · Physics 2021-07-28 K. K. Iyer , Ram Kumar , S. Rayaprol , K. Maiti , E. V. Sampathkumaran

Strong electron correlations underlie a plethora of electronic and magnetic components and devices and are often used to identify and probe novel ground states in quantum materials. Herein we report a magnetic phase crossover in EuMn2P2, an…

The physical properties of itinerant antiferromagnetic (AFM) SrCr$_2$As$_2$ with body-centered tetragonal ThCr$_2$Si$_2$ structure were investigated in single crystalline and polycrystalline forms by electrical resistivity $\rho$, heat…

Strongly Correlated Electrons · Physics 2022-04-20 Q. -P. Ding , Santanu Pakhira , N. S. Sangeetha , E. H. Krenkel , E. I. Timmons , M. A. Tanatar , R. Prozorov , D. C. Johnston , Y. Furukawa

A small in-plane external uniaxial pressure has been widely used as an effective method to acquire single domain iron pnictide BaFe$_2$As$_2$, which exhibits twin-domains without uniaxial strain below the tetragonal-to-orthorhombic…

The compounds BaMn2As2 and BaFe2As2 both crystallize in the body-centered-tetragonal ThCr2Si2-type (122-type) structure at room temperature but exhibit quite different unit cell volumes and very different magnetic and electronic transport…

Superconductivity · Physics 2013-08-20 Abhishek Pandey , V. K. Anand , D. C. Johnston

In-plane electrical transport properties of MgB2 single crystals grown under high pressure of 4-6 GPa and temperature of 1400-1700oC in Mg-B-N system have been measured. For all specimens we found sharp superconducting transition around…

Superconductivity · Physics 2009-11-07 Yu. Eltsev , S. Lee , K. Nakao , N. Chikumoto , S. Tajima , N. Koshizuka , M. Murakami