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Related papers: Magnetooptical properties of (Ga,Fe)N layers

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Investigation of magnetic materials using the first-order magneto-optical Kerr effects (MOKE) is well established and is frequently used in the literature. On the other hand, the utilization of the second-order (or quadratic)…

Materials Science · Physics 2015-06-12 N. Tesarova , J. Subrt , P. Maly , P. Nemec , C. T. Ellis , A. Mukherjee , J. Cerne

In a metallic manganite like La(2/3)Sr(1/3)MnO(3), the substitution of Mn(+3) by Ga(+3) dilutes the ferromagnetic order and locally cancels the Jahn-Teller distortion, without heavily affecting the crystal structure. One can thus follow the…

Strongly Correlated Electrons · Physics 2009-11-13 A. Nucara , P. Maselli , M. Del Bufalo , M. Cestelli Guidi , J. Garcia , P. Orgiani , L. Maritato , P. Calvani

By using superconducting quantum interference device (SQUID) magnetometry we investigated anisotropic high-field (H < 7 T) low-temperature (10 K) magnetization response of inhomogeneous nanoisland FeNi films grown by rf sputtering…

In order to elucidate the nature of ferromagnetic signatures observed in (Zn,Co)O we have examined experimentally and theoretically magnetic properties and spin-dependent quantum localization effects that control low-temperature…

Materials Science · Physics 2008-12-01 T. Dietl , T. Andrearczyk , A. Lipińska , M. Kiecana , Maureen Tay , Yihong Wu

Two approaches (micro- and macro- investigations) are used to determine the dimension dependences of the optical parameters of the nanometer-scale layers of materials. It is shown that both an index of refraction and coefficient of…

Materials Science · Physics 2016-10-13 T. A. Kudykina , A. I. Pervak

Magneto-optical Kerr effect hysteresis loops at various wavelengths in the visible/near-infrared range have been used to characterize the magnetic properties of alloys obtained by implanting Mn ions at fixed energy in a Ge matrix. The…

Materials Science · Physics 2015-06-25 F. D'Orazio , F. Lucari , M. Passacantando , L. Ottaviano , A. Verna , G. Impellizzeri , F. Priolo

This Perspective surveys the state-of-the-art and future prospects of science and technology employing the nanoconfined light (nanophotonics and nanoplasmonics) in combination with magnetism. We denote this field broadly as nanoscale…

Films of oxides doped with transition metals are frequently believed to have magnetic inclusions. Magnetic methods to determine the amount of nanophases and their magnetic characteristics are described. The amount of the sample that is…

Fe-doped III-V ferromagnetic semiconductor (FMS) (In,Fe)Sb is a promising material for spintronic device applications because of the n-type carrier conduction and the ferromagnetism with high Curie temperature (TC > 300 K). To clarify the…

Wereport the results of a sequence of magnetisation and magneto-optical studies on laser ablated thin films of ZnCoAlO and ZnCoO that contain a small amount of metallic cobalt. The results are compared to those expected when all the…

(Ga,Mn)As in wurtzite crystal structure, is coherently grown by molecular beam epitaxy on the {1100} side facets of wurtizte (Ga,In)As nanowires and further encapsulated by (Ga,Al)As and low temperature GaAs. For the first time a true…

Materials Science · Physics 2017-12-18 J. Sadowski , S. Kret , A. Siusys , T. Wojciechowski , K. Gas , M. F. Islam , C. M. Canali , M. Sawicki

Magnetic nanoparticles (MNPs) have many applications which require MNPs to be captured and immobilized for their manipulation and sensing. For example, MNP sensors based on detecting changes to the ferromagnetic resonances of an antidot…

Mesoscale and Nanoscale Physics · Physics 2023-08-29 Reyne Dowling , Mikhail Kostylev

The magnetic properties of densely packed magnetic nanoparticles (MNP) assemblies are investigated from Monte Carlo simulations. The case of iron oxide nanoparticles is considered as a typical example of MNP. The main focus is put on…

Materials Science · Physics 2013-03-11 Vincent Russier , Caroline de Montferrand , Yoann Lalatonne , Laurence Motte

The formation of nanoscale domains (NDs) in correlated liquids and the emerging collective magnetic properties have been suggested as key mechanisms governing ion transport under external magnetic fields (eMFs). However, the molecular-level…

This work reports on the measurement of magnetic dichroism in angular-resolved photoelectron spectroscopy from in-plane magnetized buried thin films. The high bulk sensitivity of hard X-ray photoelectron spectroscopy (HAXPES) in combination…

Materials Science · Physics 2012-10-17 Carlos E. ViolBarbosa , Siham Ouardi , Gerhard H. Fecher , Daniel Ebke , Claudia Felser

We report an unusual evolution of structure and magnetism in stoichiometric MnO clusters based on an extensive and unbiased search through the potential energy surface within density functional theory. The smaller clusters, containing up to…

Mesoscale and Nanoscale Physics · Physics 2011-11-11 Shreemoyee Ganguly , Mukul Kabir , Biplab Sanyal , Abhijit Mookerjee

The nature of low-impurity ferromagnetism remains a challenging problem in the solid-state community due to the strong dependence of magnetic properties on composition, concentration, and structural geometry of diluted alloys. To address…

Imaging the magnetic structure of a material is essential to understanding the influence of the physical and chemical microstructure on its magnetic properties. Magnetic imaging techniques, however, have up to now been unable to probe 3D…

In this paper, a new concept of magnetic nanoparticles as magneto-optical markers is proposed, and a "magneto-optical gate" effect is explored. High-sensitivity detection of magnetic nanoparticles (MNPs) was developed based on this…

Applied Physics · Physics 2023-01-20 Xinchao Cui , Chong Lu , Chunping Liu , Wenzhong Liu

We have performed a study of the magnetic, magnetoelastic, and corrosion resistance properties of seven different composition magnetoelastic-resonant platforms. For some applications, such as structural health monitoring, these materials…