English
Related papers

Related papers: Temperature-dependent proximity magnetism in Pt

200 papers

The description of superconductivity at high temperature is a problem that has recently been addressed. Transition temperature of superconductivity, $T_c$, depends on the lattice structure type, size, and room pressure. In super-lattices…

Superconductivity · Physics 2023-09-01 M. M. Bagheri-Mohagheghi , B. Pourhassan , M. Adelifard , M. Shokooh-Saremi , S. Upadhyay

We present a temperature dependent study of the thermal excitation of magnonic spin currents in two-sublattice magnetic materials. Using atomistic spin model simulations, we study the local magnetization profiles in the vicinity of a…

Materials Science · Physics 2017-02-15 Ulrike Ritzmann , Denise Hinzke , Ulrich Nowak

The spin-orbit torque, a torque induced by a charge current flowing through the heavy-metal conducting layer with strong spin-orbit interactions, provides an efficient way to control the magnetization direction in heavy-metal/ferromagnet…

In the present work, we investigate the quantum thermal entanglement in molecular magnets composed of dimers of spin $S$, using an Entanglement Witness built from measurements of magnetic susceptibility. An entanglement temperature,…

The theory of ferromagnetic Pi-junction near the critical temperature is presented. It is demonstrated that in the dirty limit the modified Usadel equation adequately describes the proximity effect in ferromagnets. To provide the…

Superconductivity · Physics 2009-11-07 A. Buzdin , I. Baladie

Nowadays a wide number of applications based on magnetic materials relies on the properties arising at the interface between different layers in complex heterostructures engineered at the nanoscale. In ferromagnetic/heavy metal multilayers,…

We present magnetization measurements on Sr4Ru3O10 as a function of temperature and magnetic field applied perpendicular to the magnetic easy $c$-axis inside the ferromagnetic phase. Peculiar metamagnetism evolves in Sr4Ru3O10 below the…

Strongly Correlated Electrons · Physics 2018-05-23 F. Weickert , L. Civale , B. Maiorov , M. Jaime , M. B. Salamon , E. Carleschi , A. M. Strydom , R. Fittipaldi , V. Granata , A. Vecchione

Colossal magnetoresistance and field-induced ferromagnetism are well documented in manganite compounds. Since domain wall resistance contributes to magnetoresistance, data on the temperature and magnetic field dependence of the…

Strongly Correlated Electrons · Physics 2015-04-16 B. Bryant , Y. Moritomo , Y. Tokura , G. Aeppli

The description of the proximity effect in superconducting/ferromagnetic heterostructures requires to use spin-dependent boundary conditions. Such boundary conditions must take into account the spin dependence of the phase shifts acquired…

Superconductivity · Physics 2009-11-13 Audrey Cottet

Ferroelectric control of interfacial magnetism has attracted much attention. However, the coupling of these two functionalities has not been understood well at the atomic scale. The lack of scientific progress is mainly due to the limited…

We use temperature-dependent Hall measurements to identify contributions of spin Hall, magnetic proximity, and sublattice effects to the anomalous Hall signal in heavy metal/ferrimagnetic insulator heterostructures with perpendicular…

The pressure dependence of the Curie temperature T$_{C}(P)$ in La$_{0.75}$Ca$_{0.25}$MnO$_{3}$ was determined by neutron diffraction up to 8 GPa, and compared with the metallization temperature T$_{IM}(P)$ \cite{irprl}. The behavior of the…

Strongly Correlated Electrons · Physics 2012-01-12 M. Baldini , L. Capogna , M. Capone , E. Arcangeletti , C. Petrillo , I. Goncharenko , P. Postorino

Ferromagnet-ferroelectric-metal superlattices are proposed to realize the large room-temperature magnetoelectric effect. Spin dependent electron screening is the fundamental mechanism at the microscopic level. We also predict an electric…

Mesoscale and Nanoscale Physics · Physics 2009-12-16 Tianyi Cai , Sheng Ju , Jaekwang Lee , Na Sai , Alexander A. Demkov , Qian Niu , Zhenya Li , Junren Shi , Enge Wang

The superconducting proximity effect is investigated for SN double layers in a regime where the resulting transition temperature T_{c} does not depend on the mean free paths of the films and, within limits, not on the transparency of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. Zhang , G. Tateishi , G. Bergmann

The unexpected discovery of intrinsic ferromagnetism in layered van der Waals materials has sparked interest in both their fundamental properties and their potential for novel applications. Recent studies suggest near room-temperature…

We study magnetic multilayers, incorporating dilute ferromagnetic spacers between strongly-ferromagnetic layers exhibiting a proximity-enhanced magnetocaloric effect. Using magnetometry and direct measurements of the adiabatic temperature…

Mesoscale and Nanoscale Physics · Physics 2022-12-21 M. Kulyk , M. Persson , D. Polishchuk , V. Korenivski

We introduce the Hamiltonian to describe narrow band electrons. The physics of driving forces towards ferromagnetism is re-examined. Using different approximations it has been shown that the magnetic moments created by inter-site…

Strongly Correlated Electrons · Physics 2023-07-19 J. Mizia , G. Górski , K. Kucab

We propose a novel mechanism for the coexistence of metallic ferromagnetism and singlet superconductivity assuming that the magnetic instability is due to kinetic exchange. Within this scenario, the unpaired electrons which contribute to…

Superconductivity · Physics 2009-11-10 Mario Cuoco , Paola Gentile , Canio Noce

Magnetic properties of layered high temperature superconductors with a weak interlayer coupling in the region of the critical fluctuations are investigated in the framework of the Ginzburg--Landau approach. The sample magnetization is…

Superconductivity · Physics 2007-05-23 Gregory M. Braverman

The proximity effect in a model manganite-cuprate system is investigated theoretically. We consider a situation in which spin-polarized electrons in manganite layers antiferromagnetically couple with electrons in cuprate layers as observed…

Strongly Correlated Electrons · Physics 2010-12-15 Juan Salafranca , Satoshi Okamoto