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The structural, electronic, and dielectric (optical) properties of graphene-like 2D MgO monolayer have been explored through first-principles calculations under bi-axial tensile and compressive mechanical strain within a range of -10% to…

Materials Science · Physics 2024-05-31 Kamal Kumar , Anjali Kumari , Soni Mishra , Ramesh Sharma , Abhishek Kumar Mishra

The dense Kondo lattice Ce$_5$CoGe$_2$ exhibits superconductivity once the magnetic ordering is suppressed by pressure. Here the ambient pressure magnetic state is investigated via magnetization, heat capacity, powder neutron diffraction,…

CoSe$_2$O$_5$ has a crystal structure consisting of zig-zag chains of edge shared CoO$_6$ octahedra running along the c axis, with the chains separated by Se$_2$O$_5^{2-}$ units. Magnetic susceptibility measurements indicate a transition at…

Materials Science · Physics 2012-02-02 Brent C. Melot , Brian Paden , Ram Seshadri , Ambesh Dixit , Gavin Lawes , Emmanuelle Suard

The angle-dependences of the magnetoresistance of two different isotopic substitutions (deuterated and undeuterated) of the layered organic superconductor \kappa-(ET)2Cu(NCS)2 are presented. The angle dependent magnetoresistance…

Strongly Correlated Electrons · Physics 2009-11-10 P. A. Goddard , S. J. Blundell , J. Singleton , R. D. McDonald , A. Ardavan , A. Narduzzo , J. A. Schlueter , A. M. Kini , T. Sasaki

Understanding the magnetism and its possible correlations to the topological properties has emerged as a forefront and difficult topic in studying magnetic Weyl semimetals. Co$_{3}$Sn$_{2}$S$_{2}$ is a newly discovered magnetic Weyl…

This work reports the synthesis, structure and magnetic properties of the single crystal of a facile spin 1/2 one dimensional Heisenberg antiferromagnet bis(4-aminopyridinium) bis(oxalato)cuprate(II) dihydrate, (C 5 H 7 N 2 ) 2 [Cu(C 2 O 4…

Effects of the Co substitution have been observed on the structural, magnetic and magneto-transport properties of Fe2-xCoxMnSi alloy. Curie temperature (TC) and saturation magnetization (MS) of these alloys increased linearly with the Co…

Strongly Correlated Electrons · Physics 2015-12-01 Lakhan Bainsla , K. G. Suresh , M. Manivel Raja , A. K. Nigam

We examine the structural properties of free standing II-VI and III-V semiconductors at the monolayer limit within first principle density functional theory calculations. A non-polar buckled structure was found to be favoured over a polar…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 Poonam Kumari , Saikat Debnath , Priya Mahadevan

Systematic investigations of rare-earth ($R$) based intermetallic materials are a leading strategy to reveal the underlying mechanisms governing a range of physical phenomena, such as the formation of a Kondo lattice and competing…

We study a 2D mesoscopic ring with an anisotropic effective mass considering surface quantum confinement effects. Consider that the ring is defined on the surface of a cone, which can be controlled topologically and mapped to the 2D ring in…

Mesoscale and Nanoscale Physics · Physics 2025-10-28 Francisco A. G. de Lira , Luís Fernando C. Pereira , Edilberto O. Silva

Pronounced anisotropy of magnetic properties and complex magnetic order of a new oxi-halide compound Co7(TeO3)4Br6 has been investigated by powder and single crystal neutron diffraction, magnetization and ac susceptibility techniques.…

Materials Science · Physics 2013-05-29 M. Prester , I. Zivkovic , O. Zaharko , D. Pajic , P. Tregenna-Piggott , H. Berger

The CeT2Al10 family of orthorhombic compounds exhibits a very peculiar evolution from a Kondo-insulator (T: Fe) to an unconventional long-range magnetic order (T: Ru, Os). Inelastic neutron scattering experiments performed on single-crystal…

Electronic and thermoelectric properties of a two-dimensional MoS2 monolayer containing atomic defects are investigated using density functional theory. All the atomic defects have been found to exhibit endothermic nature. Electronic…

Mesoscale and Nanoscale Physics · Physics 2019-05-17 Munish Sharma , Ashok Kumar , P. K. Ahluwalia

In this investigation, we conducted density functional theory simulations to explore the mechanical responses of single-layer GeP, GeAs, SiP and SiAs. In particular, we explored the possibility of band-gap engineering in these 2D structures…

Computational Physics · Physics 2018-06-19 Bohayra Mortazavi , Timon Rabczuk

We present the \emph{ab initio} calculation of the electronic structure and magnetic properties of Bi$_2$Fe$_4$O$_9$. This compound crystallizes in the orthorhombic crystal structure with the Fe$^{3+}$ ions forming the Cairo pentagonal…

Strongly Correlated Electrons · Physics 2013-10-03 Z. V. Pchelkina , S. V. Streltsov

In two-dimensional (2D) magnetic systems, large magnetic anisotropy is needed to stabilize the magnetic order according to Mermin-Wagner theorem. Based on density functional theory (DFT) calculations, we propose that the magnetic…

Materials Science · Physics 2020-11-04 Xuejuan-Dong , Jingyang-You , Zheng Zhang , Bo Gu , Gang Su

Ferromagnetic films with perpendicular magnetic anisotropy are of interest in spintronics and superconducting spintronics. Perpendicular magnetic anisotropy can be achieved in thin ferromagnetic multilayer structures, when the anisotropy is…

Mesoscale and Nanoscale Physics · Physics 2023-06-01 N. Satchell , S. Gupta , M. Maheshwari , P. M. Shepley , M. Rogers , O. Cespedes , G. Burnell

Atomically-thin magnetic crystals have been recently isolated experimentally, greatly expanding the family of two-dimensional materials. In this Article we present an extensive comparative analysis of the electronic and magnetic properties…

Strongly Correlated Electrons · Physics 2019-09-06 Guido Menichetti , Matteo Calandra , Marco Polini

We successfully synthesize single crystals of the verdazyl radical $\alpha$-2,3,5-Cl$_3$-V. $Ab$ $initio$ molecular orbital calculations indicate that the two dominant antiferromagnetic interactions, $J_{\rm{1}}$ and $J_{\rm{2}}$ ($\alpha…

Strongly Correlated Electrons · Physics 2017-06-26 Hironori Yamaguchi , Yusuke Tamekuni , Yoshiki Iwasaki , Rei Otsuka , Yuko Hosokoshi , Takanori Kida , Masayuki Hagiwara

Motivated by the presence of competing magnetic interactions in the heavy fermion family Ce$TX_2$ ($T$ = transition metal, $X$ = pnictogen), here we study the novel parent compound CeCd$_{1-\delta}$Sb$_{2}$ by combining magnetization,…

Strongly Correlated Electrons · Physics 2015-08-11 P. F. S. Rosa , R. J. Bourg , C. B. R. Jesus , P. G. Pagliuso , Z. Fisk
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