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PbZr0.52Ti0.48O3/La0.67Sr0.33MnO3(PZT/LSMO) bilayer with surface roughness ~ 1.8 nm thin films have been grown by pulsed laser deposition on LaAlO3(LAO) substrates. High remnant polarization (30-54 micro C/cm2), dielectric…

Materials Science · Physics 2015-05-18 Sandra Dussan , Ashok Kumar , J. F. Scott , Ram S. Katiyar

We report magnetoelectric coupling in nanoparticle assemblies that persists to temperatures over 300 times lower than in previous studies. The ME response saturates at low temperature, revealing a quantum plateau of the coupling. A field…

Mesoscale and Nanoscale Physics · Physics 2025-09-30 Jian Huang , Fatemeh Aghabozorgi , Stephanie Brock

Inelastic neutron scattering experiments on poly crystalline sample of heavy-fermion compound YbCo$_2$Zn$_{20}$ were carried out in order to obtain microscopic insights on the ground state and its magnetic field response. At zero field at…

Strongly Correlated Electrons · Physics 2015-06-04 K. Kaneko , S. Yoshiuchi , T. Takeuchi , F. Honda , R. Settai , Y. Ōnuki

Paramagnetic Meissner effect was observed in single crystal Yb(3)Rh(4)Sn(13). While field cooling the sample, at the onset of the superconducting transition at 7.92 K, the DC magnetization first goes through a minimum at 7.85 K, followed by…

Superconductivity · Physics 2014-08-12 P. Kulkarni

Big-bang nucleosynthesis (BBN) probes the cosmic mass-energy density at temperatures $\sim 10$ MeV to $\sim 100$ keV. Here, we consider the effect of a cosmic matter-like species that is non-relativistic and pressureless during BBN. Such a…

Cosmology and Nongalactic Astrophysics · Physics 2024-01-18 Tsung-Han Yeh , Keith A. Olive , Brian D. Fields

Temperature dependences of the magnetic moment have been measured in YBa_2Cu_3O_{7-\delta} thin films over a wide magnetic field range (5 <= H <= 10^4 Oe). In these films a paramagnetic signal known as the paramagnetic Meissner effect has…

Superconductivity · Physics 2007-05-23 D. A. Luzhbin , A. V. Pan , V. A. Komashko , V. S. Flis , V. M. Pan , S. X. Dou , P. Esquinazi

While it is often assumed that the orbital response is suppressed and short-ranged due to strong crystal field potential and orbital quenching, we show that the orbital magnetoelectric response can be remarkably long-ranged in ferromagnets.…

Mesoscale and Nanoscale Physics · Physics 2022-05-17 Dongwook Go , Daegeun Jo , Kyoung-Whan Kim , Soogil Lee , Min-Gu Kang , Byong-Guk Park , Stefan Blügel , Hyun-Woo Lee , Yuriy Mokrousov

Temperature (5--250 K) and magnetic field (0--70 kOe) variations of the low-energy (1--10 meV) electrodynamics of spin excitations have been investigated for a complete set of light-polarization configurations for a ferroelectric magnet…

Materials Science · Physics 2009-11-13 N. Kida , Y. Ikebe , Y. Takahashi , J. P. He , Y. Kaneko , Y. Yamasaki , R. Shimano , T. Arima , N. Nagaosa , Y. Tokura

Within the framework of the modified potential cluster model with a classification of orbital states according to Young diagrams, the possibility of describing experimental data for total cross sections of the neutron radiative capture on…

The superconducting transition region in a Nb disk showing the paramagnetic Meissner effect (PME) has been investigated in detail. From the field-cooled magnetization behavior, two well-defined temperatures can be associated with the…

Superconductivity · Physics 2009-10-31 L. Pust , L. E. Wenger , M. R. Koblischka

We study the magnetic response of superconductors in the presence of low values of a uniform applied magnetic field. We report measurements of DC magnetization and AC magnetic susceptibility performed on niobium cylinders of different…

Superconductivity · Physics 2009-10-31 F. M. Araujo-Moreira , C. Navau , A. Sanchez

Expressions for the absorption spectrum of a nucleus in a three- and a two-dimensional crystal respectively are obtained analytically at zero and at finite temperature respectively. It is found that for finite temperature in two dimensions…

Other Condensed Matter · Physics 2009-11-10 Dennis D. Dietrich , Lester L. Hirst

We present a theoretical investigation of the magnetocrystalline anisotropy (MA) in $R_2$Fe$_{14}$B ($R$ is a rare-earth element) magnets in consideration of the non-collinearity effect (NCE) between the $R$ and Fe magnetization directions.…

Materials Science · Physics 2019-04-03 Daisuke Miura , Akimasa Sakuma

We present the detailed study of the temperature dependent dielectric properties, impedance spectroscopy and electrical conductivity of LaV$_{1-x}$Nb$_x$O$_4$ ($x=$ 0-1) samples prepared by the solid-state reaction method. The dielectric…

Materials Science · Physics 2023-11-07 Ashok Kumar , Vikas N. Thakur , Ajay Kumar , Vinod Singh , Anita Dhaka , Rajendra S. Dhaka

The magnetic relaxation characteristics are investigated in the two-dimensional ($l^{}_x\times l^{}_y$) assembly of nanoparticles as a function of out-of-plane positional disorder strength $\Delta(\%)$ using numerical simulations. Such…

Materials Science · Physics 2021-09-28 Manish Anand

The dielectric properties of MnFe$_2$O$_4$ and $\gamma$-Fe$_2$O$_3$ magnetic nanoparticles embedded in insulating matrices were investigated. The samples showed frequency dependent dielectric anomalies coincident with the magnetic blocking…

Materials Science · Physics 2007-05-23 G. Lawes , R. Tackett , O. Masala , B. Adhikary , R. Naik , R. Seshadri

The eigenstate energies of an atom increase under spatial confinement and this effect should also increase the electron density of the orbital electrons at the nucleus thus increasing the decay rate of an electron-capturing radioactive…

Nuclear Experiment · Physics 2015-05-13 A. Ray , P. Das , S. K. Saha , A. Goswami , A. De

The possibility of description available experimental data for total cross section for reaction of the neutron capture on 10B at energies from 25.3 meV to 1.0 MeV was considered in the frame of the modified potential cluster model with…

Nuclear Theory · Physics 2020-07-03 S B Dubovichenko , N A Burkova , A V Dzhazairov-Kakhramanov

Magnetization, neutron diffraction and X-ray diffraction of Zn doped MnV2O4 as a function of temperature have been measured and the critical exponents and magnetocaloric effect of this system have been estimated. It is observed, that with…

We examine nature of longitudinal electrical conductivity in magnetized electron-ion plasma in the context of binary neutron star mergers. In presence of strong magnetic field, high density and temperature, quantum oscillatory behaviour for…

High Energy Physics - Phenomenology · Physics 2021-08-27 Sreemoyee Sarkar , Souvik Priyam Adhya