Results 181 to 190 of about 321,049 (388)

Electronic structures and ferromagnetism in transition metals codoped ZnO [PDF]

open access: yesarXiv, 2003
We have investigated electronic structures and magnetic properties of potential ZnO based diluted magnetic semiconductors: (Fe, Co) and (Fe, Cu) codoped ZnO. The origins of ferromagnetism are shown to be different between two. (Fe, Co) codoped ZnO does not have a tendency of Fe-O-Co ferromagnetic cluster formation, and so the double exchange mechanism ...
arxiv  

Roll‐to‐Roll (R2R) Processing of Large‐Area Flexible Piezoresistive Films with Magnetically Z‐Aligned Nickel Microcolumnar Morphology

open access: yesAdvanced Materials Technologies, EarlyView.
Development of processing window for the continuous manufacturing of flexible and anisotropic piezoresistive films using magnetic‐field assisted alignment of Ni particles on a roll‐to‐roll processing line. Abstract Flexible pressure sensors are highly sought after for applications like rehabilitation healthcare, advanced wearable electronics ...
Nagarpita Moka Vidyanag   +3 more
wiley   +1 more source

Transport through ferromagnet/superconductor interfaces [PDF]

open access: yesarXiv, 2003
The differential resistance of submicron-size ferromagnet/superconductor interface structures shows asymmetries as a function of the current through the ferromagnet/superconductor interface. These asymmetries are a consequence of spin-polarized electron transport from the ferromagnet to the superconductor, coupled with the Zeeman-splitting of the ...
arxiv  

Complex Assemblies of Colloidal Microparticles with Compliant DNA Linkers and Magnetic Actuation

open access: yesAdvanced Materials Technologies, EarlyView.
High‐surface‐energy polycarbonate templates are used to assemble polystyrene microspheres, improving yields more than 100‐fold. These higher yields facilitate the construction of active colloids and complex microstructures, including 10‐sphere microrotors and a 26‐sphere “CMU.” These active colloids are connected with compliant DNA linkages, enabling ...
Taryn Imamura   +5 more
wiley   +1 more source

Low‐Noise, Unbiased Ferromagnetic‐Resonance‐Driven Thin‐Film Integrated Giant Magnetoimpedance Sensors

open access: yesAdvanced Materials Technologies, EarlyView.
Utilizing a novel (Ni81Fe19/Ti)4/Cu/(Ni81Fe19/Ti)4 thin‐film multilayer with low coercive field, low damping and a superior GMI ratio, a compact, low‐noise unbiased FMR‐driven integrated GMI sensor with a superior magnetic noise performance of ≈100 pT/√Hz is first demonstrated, owing to reduced phase noise from well‐defined aligned magnetic domains and
Bin Luo   +8 more
wiley   +1 more source

The structure induced magnetic susceptibility peak to dip transition in the MoSe2−xTex

open access: yesResults in Physics
The temperature independent magnetic susceptibility peak and dip were observed in the MoSe2−xTex. The magnetic susceptibility peak accompanies with ferromagnetism which originates from two electrons spin-parallelly stay at 4d orbit in the 1T@2H structure.
Shiu-Ming Huang   +4 more
doaj  

Phases and phase transitions in spin-triplet ferromagnetic superconductors

open access: yes, 2004
Recent results for the coexistence of ferromagnetism and unconventional superconductivity with spin-triplet Cooper pairing are reviewed on the basis of the quasi-phenomenological Ginzburg-Landau theory. New results are reported. The results are discussed
Shopova, D. V., Uzunov, D. I.
core  

Magnetic Force‐Induced Self‐Assembly and Flip‐Chip Alignment on Electroplated Multilayer Solder with Tailored Melting Points

open access: yesAdvanced Materials Technologies, EarlyView.
This work demonstrates fluidic self‐assembly and self‐alignment of flip‐chips using a magnetic field for agitation and orientation. Pb‐free solder bumps with tailored transformation imprinted melting points enable selective capturing on low‐melting solder in water. After capturing, final alignment is achieved through magnetic forces.
Mahsa Kaltwasser   +3 more
wiley   +1 more source

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