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We have synthesized the intermetallic YPrFe17 compound by arc-melting. X-ray and neutron powder diffraction show that the crystal structure is rhombohedral with View the MathML source space group (Th2Zn17-type). The investigated compound…

The magnetic properties and crystal electric field (CEF) scheme of BiErGeO$_5$ are investigated via magnetization, heat capacity, muon spin relaxation (muSR), and inelastic neutron scattering (INS) experiments on a polycrystalline sample.…

Due to the complex interactions between rare-earth elements and transition metals, as well as/or themselves, rare-earth transition-metal oxides are likely to exhibit highly intriguing and novel magnetic structures and dynamic behaviours.…

Strongly Correlated Electrons · Physics 2023-09-08 Joel O'Brien , Guochu Deng , Xiaoxuan Ma , Zhenjie Feng , Wei Ren , Shixun Cao , Dehong Yu , Garry J McIntyre , Clemens Ulrich

The filled skutterudite compound SmOs_{4}Sb_{12} was prepared in single crystal form and characterized. The SmOs_{4}Sb_{12} crystals have the LaFe_{4}P_{12}-type structure with lattice parameter a = 9.3085 Angstroms. Specific heat…

Strongly Correlated Electrons · Physics 2009-11-10 W. M. Yuhasz , N. A. Frederick , P. -C. Ho , N. P. Butch , B. J. Taylor , T. A. Sayles , M. B. Maple , J. B. Betts , A. H. Lacerda , P. Rogl , G. Gieste

We report inelastic light scattering studies on Ca(Fe0.97Co0.03)2As2 in a wide spectral range of 120-5200 cm-1 from 5K to 300K, covering the tetragonal to orthorhombic structural transition as well as magnetic transition at Tsm ~ 160K. The…

Superconductivity · Physics 2014-07-11 Pradeep Kumar , D. V. S. Muthu , L. Harnagea , S. Wurmehl , B. Büchner , A. K. Sood

The physical characterisation and understanding of molecular magnetic materials is one of the most important steps towards the integration of such systems in hybrid spintronic devices. Amongst the many characterisation techniques employed…

Mesoscale and Nanoscale Physics · Physics 2021-01-18 Simon Ansbro , Eufemio Moreno-Pineda , Wen Yu , Jacques Ollivier , Hannu Mutka , Mario Ruben , Alessandro Chiesa

We report a systematic study on the magneto-structural transition in Mn-rich Fe-doped Mn-Fe-Ni-Sn(Sb/In) Heusler alloys by keeping the total valence electron concentration (e/a ratio) fixed. The martensitic transition (MT) temperature is…

Materials Science · Physics 2019-01-30 Arup Ghosh , Rajeev Rawat , Arpan Bhattacharyya , Guruprasad Mandal , A. K. Nigam , Sunil Nair

We report the detailed investigation of the magnetic, transport, and magnetocaloric effects of GdSbSe by magnetic susceptibility $\chi(T)$, isothermal magnetization $M(H)$, resistivity $\rho(T, H)$, and heat capacity $C_p(T)$ measurements,…

Strongly Correlated Electrons · Physics 2024-09-23 Aarti Gautam , Prabuddha Kant Mishra , Souvik Banerjee , A. Sundaresan , Ashok Kumar Ganguli

We report a neutron scattering study of the magnetic order and dynamics of the bilayer perovskite Sr$_3$Fe$_2$O$_7$, which exhibits a temperature-driven metal-insulator transition at 340 K. We show that the Fe$^{4+}$ moments adopt…

The RE$_{5}$Pt$_2$In$_4$ (RE = Gd-Tm) rare earth compounds have been investigated by means of X-ray diffraction (XRD) as well as by DC and AC magnetometric measurements. The compounds crystallize in an orthorhombic crystal structure of the…

Materials Science · Physics 2023-04-26 Altifani Rizky Hayyu , Stanisław Baran , Andrzej Szytuła

We apply moderate-high-energy inelastic neutron scattering (INS) measurements to investigate Yb$^{3+}$ crystalline electric field (CEF) levels in the triangular spin-liquid candidate YbMgGaO$_4$. Three CEF excitations from the ground-state…

Ultrasonic velocity measurements on the magnetoelectric multiferroic compound CuFeO2 reveal that the antiferromagnetic transition observed at TN1 = 14 K might be induced by an R-3m -> C2/m pseudoproper ferroelastic transition (G. Quirion,…

Materials Science · Physics 2015-05-30 O. Aktas , K. D. Truong , T. Otani , G. Balakrishnan , M. J. Clouter , T. Kimura , G. Quirion

Experimental evidence from measurements of the a.c. and d.c. susceptibility, and heat capacity data show that the pyrochlore structure oxide, Gd_2Ti_2O_7, exhibits short range order that starts developing at 30K, as well as long range…

Disordered Systems and Neural Networks · Physics 2009-10-31 N. P. Raju , M. Dion , M. J. P. Gingras , T. E. Mason , J. E. Greedan

When the transition temperature of a continuous phase transition is tuned to absolute zero, new ordered phases and physical behaviour emerge in the vicinity of the resulting quantum critical point. Sr3Ru2O7 can be tuned through quantum…

Strongly Correlated Electrons · Physics 2021-10-25 C. Lester , S. Ramos , R. S. Perry , T. P. Croft , M. Laver , R. I. Bewley , T. Guidi , A. Hiess , A. Wildes , E. M. Forgan , S. M. Hayden

In this work we present inelastic neutron scattering experiments which probe the single ion ground states of the rare earth pyrochlores $R_2$Ti$_2$O$_7$ ($R$ = Tb, Dy, Ho). Dy$_2$Ti$_2$O$_7$ and Ho$_2$Ti$_2$O$_7$ are dipolar spin ices, now…

Materials Science · Physics 2016-07-26 M Ruminy , E Pomjakushina , K Iida , K Kamazawa , D T Adroja , U Stuhr , T Fennell

We present a comprehensive study of the mixed valent compound, EuPd3S4, by electrical transport, X-ray diffraction, time-domain 151Eu synchrotron M\"ossbauer spectroscopy, and X-ray absorption spectroscopy measurements under high pressure.…

Strongly Correlated Electrons · Physics 2024-01-09 S. Huyan , D. H. Ryan , T. J. Slade , B. Lavina , G. C. Jose , H. Wang , J. M. Wilde , R. A. Ribeiro , J. Zhao , W. Xie , W. Bi , E. E. Alp , S. L. Bud'ko , P. C. Canfield

Inelastic neutron scattering (INS) and specific heat measurements have been performed on the intermediate valence compound CeRuSi$_3$, which is isostructural to the noncentrosymmetric pressure-induced superconductors CeRhSi$_3$, CeIrSi$_3$…

Strongly Correlated Electrons · Physics 2015-02-25 M. Smidman , D. T. Adroja , E. A. Goremychkin , M. R. Lees , D. M. Paul , G. Balakrishnan

Layered transition metal dichalcogenides (TMDCs) host a plethora of interesting physical phenomena ranging from charge order to superconductivity. By introducing magnetic ions into 2H-NbS$_2$, the material forms a family of magnetic…

CeNiSn is a Kondo semimetal where a gap opens at low temperatures due to hybridization between 4$f$ and conduction electrons, but a full insulating state fails to develop. Upon the insertion of hydrogen, long range magnetic order is…

Strongly Correlated Electrons · Physics 2024-03-15 X. Y. Zheng , D. T. Adroja , B. Chevalier , Z. Y. Shan , A. D. Hillier , H. Q. Yuan , M. Smidman

We present a study of the dielectric, structural, and magnetic properties of the multiferroic or linear magnetoelectric substitution series [(NH$_4$)$_{1-x}$K$_x$]$_2$[FeCl$_5$(H$_2$O)]. Pyroelectric currents, magnetic susceptibilities, and…