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We have investigated the ground state properties of polycrystalline CeCoAsO by means of magnetization, specific heat and solid state NMR. Susceptibility and specific-heat measurements suggest a ferromagnetic order at about,…

A study on temperature dependent magnetic properties of single phase orthorhombic perovskites system associated with space group Pbnm compounds Pr1-x(Gd/Nd)xMnO3 (x=0.3, 0.5, 0.7) was carried out. A magnetization reversal is observed below…

材料科学 · 物理学 2016-06-13 Sanjay Biswas , Sudipta Pal

The magnetism in Mn$_3$Si$_2$Te$_6$ has been investigated using thermodynamic measurements, first principles calculations, neutron diffraction and diffuse neutron scattering on single crystals. These data confirm that Mn$_3$Si$_2$Te$_6$ is…

We have systematically investigated the influence of gradual replacement of Ca by Gd on the magnetic and complex dielectric properties of the well-known geometrically frustrated spin-chain system, Ca3Co2O6 (T_N= 24 K with additional…

强关联电子 · 物理学 2015-06-17 Tathamay Basu , Kiran Singh , E. V. Sampathkumaran

Temperature and applied magnetic field dependent magnetization measurements on 34 single crystalline samples of (R, R',R''...)Ni2Ge2 compounds (R, R', R'', etc. being primarily Gd-Lu, Y), were made. These measurements reveal that, despite…

材料科学 · 物理学 2015-06-25 S. A. Law , S. L. Bud'ko , P. C. Canfield

X-ray resonant magnetic scattering studies of rare earth magnetic ordering were performed on perovskite manganites RMnO3 (R = Dy, Gd) in an applied magnetic field. The data reveal that the field-induced three-fold polarization enhancement…

Using spin density functional theory we have carried out a comparative study of chemical bonding and magnetism in Fe_4N, Fe_3N and Fe_2N. All of these compounds form close packed Fe lattices, while N occupies octahedral interstitial…

材料科学 · 物理学 2009-10-31 M. Sifkovits , H. Smolinski , S. Hellwig , W. Weber

Ce$_{2}$$M$Al$_{7}$Ge$_{4}$ ($M=$ Co, Ir, Ni or Pd) are heavy-fermion materials and host a variety of ground states ranging from magnetism to non-Fermi liquid behavior. The Co, Ir, and Ni members of the series undergo magnetic ordering with…

强关联电子 · 物理学 2025-05-23 M. O. Ajeesh , A. O. Scheie , Yu Liu , L. Keller , S. M. Thomas , P. F. S. Rosa , E. D. Bauer

The compounds, Gd6Co1.67Si3 and Tb6Co1.67Si3, recently reported to form in a Ce6Ni2Si3-derived hexagonal structure (space group: P6_3 / m) and to order magnetically below 295 and 190 K respectively, have been investigated by detailed…

In this paper the structural, magnetic, and dielectric properties of langasite compound Pb$_3$TeMn$_3$P$_2$O$_{14}$ have been investigated as a candidate of short-range magnetic correlations driven development of dielectric anomaly above…

材料科学 · 物理学 2021-07-01 Rafikul Ali Saha , Desheng Fu , Mitsuru Itoh , Sugata Ray

Spintronics has emerged as a field of vast applicability, and layered magnetic materials have served as a ground for advancement in this direction. Here, we report the synthesis and detailed magnetic and specific heat studies on NdSbSe, (a…

强关联电子 · 物理学 2025-01-22 Prabuddha Kant Mishra , Priyanka Nehla , Rishabh Shukla , Rie Umetsu , Ashok Kumar Ganguli

We performed inelastic neutron scattering measurements on single crystals of NdFe$_{3}$($^{11}$BO$_{3}$)$_{4}$ to explore the magnetic excitations, to establish the underlying Hamiltonian, and to reveal the detailed nature of hybridization…

强关联电子 · 物理学 2015-07-23 S. Hayashida , M. Soda , S. Itoh , T. Yokoo , K. Ohgushi , D. Kawana , H. M. Rønnow , T. Masuda

We have investigated the influence of 3d-4f spin interaction on magnetic and magnetocaloric properties of DyCrO$_4$ and HoCrO$_4$ compounds by magnetization and heat capacity measurements. Both the compounds exhibit complicated magnetic…

强关联电子 · 物理学 2016-11-26 A. Midya , N. Khan , D. Bhoi , P. Mandal

The RPO4 orthophosphates (R = rare earth element) have recently attracted a wide interest due to the strong coupling between their electronic, orbital and structural ordering parameters resulting in a variety of functional properties.…

材料科学 · 物理学 2026-05-01 M. Balli , L. Attou , S-E. Bouzarmine , S. Oubad , K. El Maalam , P. Fournier , S. Mangin

The impact of magnetism on predicted atomic short-range order in three medium- and high-entropy alloys is studied using a first-principles, all-electron, Landau-type linear response theory, coupled with lattice-based atomistic modelling. We…

材料科学 · 物理学 2023-05-04 Christopher D. Woodgate , Daniel Hedlund , L. H. Lewis , Julie B. Staunton

We investigate the ferrimagnetism and ferroelectricity of bulk NiFe$_2$O$_4$ with tetragonal $P4_122$ ~symmetry by means of density functional calculations using generalized gradient approximation + Hubbard $U$ approach. Special attention…

材料科学 · 物理学 2017-09-20 Un-Gi Jong , Chol-Jun Yu , Yong-Su Park , Chong-Suk Ri

FeSi is a curious example of a $d$-electron system that manifests many of the same phenomena associated with $f$-electron Kondo insulators, including conducting surface states with potentially non-trivial topology. Here we investigate the…

The influence of positive and negative chemical pressure on the magnetic behavior of the compound, Ce2RhSi3, crystallizing in a AlB2-derived hexagonal structure and ordering antiferromagnetically around (TN = 7 K), is investigated by…

材料科学 · 物理学 2007-05-23 Kausik Sengupta , S. Rayaprol , E. V. Sampathkumaran

We report the low-temperature properties of SrNd$_2$O$_4$, a geometrically frustrated magnet. Magnetisation and heat capacity measurements performed on polycrystalline samples indicate the appearance of a magnetically ordered state at…

强关联电子 · 物理学 2021-04-28 N. Qureshi , A. Wildes , C. Ritter , B. Fåk , S. X. M. Riberolles , M. Ciomaga Hatnean , O. A. Petrenko

We study the influence of the thickness Df of the plain ferromagnetic (F) film on the electrical resistance of the flux-coupled hybrids, consisting of superconducting (S) Al film and multilayer [Co/Pt] F film with out-of-plain…

超导电性 · 物理学 2010-08-10 A. Yu. Aladyshkin , A. P. Volodin , V. V. Moshchalkov