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We discuss the properties of semiconducting bulk ZnO when substituted with the magnetic transition metal ions Mn and Co, with substituent fraction ranging from $x$ = 0.02 to $x$ = 0.15. The magnetic properties were measured as a function of…

Materials Science · Physics 2009-11-10 G. Lawes , A. S. Risbud , A. P. Ramirez , Ram Seshadri

Noncollinear metallic antiferromagnets, with their rapid spin dynamics, efficient spin transport, and distinctive spin textures, play a pivotal role in advancing the field of spintronics. In this study, we report a comprehensive…

The exploration of two-dimensional (2D) antiferromagnetic (AFM) materials has shown great promise and interest in tuning the magnetic and electronic properties as well as studying magneto-optical effects. The current work investigates the…

Complex magneto structural behaviour of rare rich intermetallic Tb$_3$Co is reported in this study. Below the 84K (T$_N$), it undergoes a first order magnetic transition 72K confirmed from specific heat and magnetization measurements.…

Materials Science · Physics 2019-08-23 Srikanta Goswami , P. D. Babu , R. Rawat

We report the coexistence of ferromagnetic and antiferromagnetic phases in the single crystal of Mn$_3$ single-molecule magnet. The coexistent state appears within a certain period of time in the progress of either oxidation or reduction…

Mesoscale and Nanoscale Physics · Physics 2015-01-23 Yan Cui , Yan-Rong Li , Rui-Yuan Liu , Zhen-Yu Mi , Yun-Ping Wang

The crystal and magnetic structure of (La0.70Ca0.30)(CryMn1-y)O3 for y = 0.70, 0.50 and 0.15 has been investigated using neutron powder diffraction. The three samples crystallize in the Pnma space group at both 290 K and 5 K and exhibit…

We report on a 59Co NMR investigation of the trigonal cobaltate Ca3Co2O6 carried out on a single crystal, providing precise determinations of the electric field gradient and chemical shift tensors, and of the internal magnetic fields at the…

Strongly Correlated Electrons · Physics 2015-05-20 G. Allodi , R. De Renzi , S. Agrestini , C. Mazzoli , M. R. Lees

Neutron diffraction measurements have been performed on a powder sample of BaMn2As2 over the temperature T range from 10 K to 675 K. These measurements demonstrate that this compound exhibits collinear antiferromagnetic ordering below the…

Superconductivity · Physics 2010-11-17 Yogesh Singh , M. A. Green , Q. Huang , A. Kreyssig , R. J. McQueeney , D. C. Johnston , A. I. Goldman

Spin susceptibility of stabilized \delta phase in the Pu-Ga alloy is studied by measuring {69,71}^Ga NMR spectra and nuclear spin-lattice relaxation rate {69}T_{1}^{-1} in the temperature range 5 - 350 K. The shift ({69}^K) of the…

Strongly Correlated Electrons · Physics 2009-11-10 Yu. Piskunov , K. Mikhalev , A. Gerashenko , A. Pogudin , V. Ogloblichev , S. Verkhovskii , A. Tankeyev , V. Arkhipov , Yu. Zouev , S. Lekomtsev

The low-energy magnetic excitations of the noncentrosymmetric heavy-fermion superconductor CePt3Si have been measured with inelastic neutron scattering on a single crystal. Kondo-type spin fluctuations with an anisotropic wave vector…

Strongly Correlated Electrons · Physics 2008-12-01 B. Fak , S. Raymond , D. Braithwaite , G. Lapertot , J. -M. Mignot

The highly diluted antiferromagnet Mn(0.35)Zn(0.65)F2 has been investigated by neutron scattering for H>0. A low-temperature (T<11K), low-field (H<1T) pseudophase transition boundary separates a partially antiferromagnetically ordered phase…

Disordered Systems and Neural Networks · Physics 2009-10-31 F. C. Montenegro , D. P. Belanger , Z. Slanic , J. A. Fernandez-Baca

The design and synthesis of targeted functional materials have been a long-term goal for material scientists. Although a universal design strategy is difficult to generate for all types of materials, however, it is still helpful for a…

Materials Science · Physics 2020-06-23 Xin Gui , Weiwei Xie

We have revisited the magnetic structure of manganese phosphorus trisulfide MnPS3 using neutron diffrac- tion and polarimetry. MnPS3 undergoes a transition toward a collinear antiferromagnetic order at 78 K. The resulting magnetic…

Strongly Correlated Electrons · Physics 2010-12-06 Eric Ressouche , Mickael Loire , Virginie Simonet , Rafik Ballou , Anne Stunault , Andrew Wildes

Elastic and inelastic neutron scattering were used to study the ordered phase of the quasi-one-dimensional spin-1/2 antiferromagnet ${\rm BaCu_{2}Si_{2}O_{7}}$. The previously proposed model for the low-temperature magnetic structure was…

Strongly Correlated Electrons · Physics 2016-08-15 M. Kenzelmann , A. Zheludev , S. Raymond , E. Ressouche , T. Masuda , P. Böni , K. Kakurai , I. Tsukada , K. Uchinokura , R. Coldea

Neutron diffraction and nuclear quadrupole resonance (NQR) measurements were employed to investigate magnetic order in the non-ferroelectric phase preceding the low-temperature multiferroic state in FeTe2O5Br. Refnement of the neutron…

Strongly Correlated Electrons · Physics 2013-04-10 M. Pregelj , P. Jeglič , A. Zorko , O. Zaharko , T. Apih , A. Gradišek , M. Komelj , H. Berger , D. Arčon

Antiferromagnetic order at $T_{\mathrm{N}} = 23$ K has been identified in Mn(III)F(salen), salen = H$_{14}$C$_{16}$N$_2$O$_2$, an $S = 2$ linear-chain system. Using single crystals, specific heat studies performed in magnetic fields up to 9…

We report the magnetic structure of room-temperature-stable, monoclinic Mn$_3$As$_2$ at 3 K and 250 K using neutron powder diffraction measurements. From magnetometry data, the Curie temperature of Mn$_3$As$_2$ was confirmed to be around…

Materials Science · Physics 2020-12-24 Manohar H Karigerasi , Bao H. Lam , Maxim Avdeev , Daniel P. Shoemaker

We study the ternary clathrate Pr3Pd20Si6 in specific heat and AC-susceptibility measurements on a high-quality single crystal, distinguishing antiferromagnetic (AFM) and antiferroquadrupolar (AFQ) ordering on two sublattices of…

Elastic and inelastic neutron scattering studies reveal details of the antiferromagnetic tansition and intriguing spin-dynamics in the magneto-electric effect single crystal LiMnPO$_4$. The elastic scattering studies confirm the system is…

Strongly Correlated Electrons · Physics 2015-05-13 Jiying Li , Wei Tian , Ying Chen , Jerel L. Zarestky , Jeffrey W. Lynn , David Vaknin

Here, a magnetic model with an unprecedentedly large number of parameters was determined from first-principles calculations for transition-metal phosphorus trisulfides (TMPS$_3$'s), which reproduced the measured magnetic ground states of…

Materials Science · Physics 2021-12-14 Tae Yun Kim , Cheol-Hwan Park
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