33 citations · 104 across the 10 of their papers we have counts for
10 papers
Artificial kagome spin ice magnetic phase recognition from the initial magnetization curve
Breno Cecchi, Nathan Cruz, Marcelo Knobel +1
Artificial spin ices (ASIs) are designable arrays of interacting nanomagnets that span a wide range of magnetic phases associated with a number of spin lattice models. Here, we dem…
Macroscopic quantum tunneling of magnetization explored by quantum-first-order reversal curves (QFORC)
Fanny Béron, Miguel A. Novak, Maria G. F. Vaz +4
A novel method to study the fundamental problem of quantum double well potential systems that display magnetic hysteresis is proposed. The method, coined quantum-first-order revers…
Hysteretic giant magnetoimpedance effect analyzed by first-order reversal curves
Fanny Béron, Lenina A. Valenzuela, Marcelo Knobel +2
Hysteretic giant magnetoimpedance (GMI) of amorphous ribbons with a well-defined transversal domain structure is investigated by means of first-order reversal curves (FORC) analysi…
Structural and magnetic study of a dilute magnetic semiconductor: Fe doped CeO2 nanoparticles
Shalendra Kumar, Geun Woo Kim, B. H. Koo +3
This paper reports the effect of Fe doping on the structure and room temperature ferromagnetism of CeO2 nanoparticles. X-ray diffraction and selective area electron diffraction mea…
Electron Dynamics in Films Made of Transition Metal Nanograins Embedded in SiO2:Infrared Reflectivity and Nanoplasma Infrared Resonance
Nestor E. Massa, Juliano C. Denardin, Leandro M. Socolovsky +2
We report on near normal infrared reflectivity spectra of ~550 nm thick films made of cosputtered transition metal nanograins and SiO2 in a wide range of metal fractions. Co0.85(Si…
Giant magnetoimpedance in crystalline Mumetal
H. B. Nie, A. B. Pakhomov, X. Yan +2
We studied giant magnetoimpedance (GMI) effect in commercial crystalline Mumetal, with the emphasis to sample thickness dependence and annealing effects. By using appropriate heat…