Results 81 to 90 of about 64,489 (314)

XAFS spectrum of Zinc ferrite

open access: yes
This dataset consists of X-ray absorption fine structure (XAFS) spectra at Zn K-edge of Zinc ferrite measured at PF, and is a part of XAFS database (MDR XAFS DB, https://doi.org/10.48505/nims.1447) as a collection of ...
Yuko Ichiyanagi
core   +1 more source

Full‐Stack Architectures for Intelligent Brain‐Computer Interfaces

open access: yesAdvanced Science, EarlyView.
System‐level overview of brain–computer interfaces (BCIs), illustrating the integration of neural signal acquisition, wireless transmission, and adaptive decoding. Advanced electrode, tissue interfaces, energy‐efficient communication, and robust algorithms collectively enable stable signal quality, real‐time processing, and closed‐loop operation ...
Hee Kyu Lee   +9 more
wiley   +1 more source

Gyromagnetic Resonance in Ferrites [PDF]

open access: yesNature, 1947
Magnetic ferrites of great homogeneity have been prepared in this Laboratory. In these ferrites the tangent of the loss angle between B and H is found to rise at a certain frequency fairly suddenly from values less than 1 per cent to values much exceeding unity.
openaire   +2 more sources

Lattice Distortion‐Driven Metal Exsolution in Perovskite Oxides

open access: yesAdvanced Science, EarlyView.
This study elucidates the mechanism of lattice distortion‐driven exsolution through a combination of computational simulations and experimental approaches. Lattice distortion facilitates the formation of oxygen vacancies and subsequent metal segregation, thereby enhancing the exsolution behavior.
Yo Han Kim   +5 more
wiley   +1 more source

Matching the Coupling of Valence Electrons in the Oxide Interface to Perturb the Magnetic Order Enhancing Oxygen Reduction in Zinc–Air Batteries

open access: yesAngewandte Chemie, EarlyView.
Sub‐5 nm Fe2O3/Sm2O3 heterojunction nanoparticles are anchored on nitrogen‐doped carbon nanofibers, featuring coupled Fe(3d)‐O(2p)‐Sm(4f) orbitals at the interface. The resulting super‐exchange induces antiparallel magnetic ordering at heterointerfaces, suppressing spin‐dependent interaction between surface OH* species and Fe sites to facilitate OH ...
Jing Li   +9 more
wiley   +2 more sources

Dry Sliding wear behaviour of Ferrite-Martensite Dual Phase Steels [PDF]

open access: yes, 2013
In the present investigation, High Strength Low Alloy Steel (HSLA) was subjected to Intermediate Quench (IQ) heat treatment process at four different intercritical temperatures to obtain Dual Phase(DP) steels of varying percentages of ferrite-martensite ...
Aprameyan, S., Kempaiah, U.N.
core  

Beyond d‐Band Catalysis: A Critical Review and Descriptor Framework for Rare‐Earth Engineering in Lithium–Sulfur Batteries

open access: yesAdvanced Science, EarlyView.
Rare‐earth catalysts regulate lithium–sulfur battery chemistry through f‐orbital–mediated interactions, enabling simultaneous polysulfide adsorption and catalytic conversion on conductive carbon hosts. This synergistic control suppresses the shuttle effect, accelerates redox kinetics, and guides stable Li2S nucleation, providing a mechanistic framework
Fan Wang   +5 more
wiley   +1 more source

Direct preparation of ferrite magnetic material from Jinchuan nickel sulfide concentrate by acid leaching

open access: yes, 2012
A preparation route of ferrite magnetic material by leaching of Jinchuan nickel sulfide concentrates in hydrochloric acid was developed. Pre-roasting of the concentrates could significantly improve the leaching efficiency of nickel.
Deng, Jinxia   +4 more
core   +1 more source

Field‐Frustrated Cooperative Distortions: Suppressing Jahn‐Teller Ordering via Microwave Annealing

open access: yesAdvanced Science, EarlyView.
Microwave annealing decouples local Jahn‐Teller distortions from long‐range cooperative ordering in CuFe2O4, stabilizing a metastable cubic phase that remains locally distorted yet globally symmetry‐frustrated. Synchrotron XRD, PDF, XPS, and in situ thermal cycling reveal how non‐equilibrium MW‐phonon interactions suppress cooperative orbital‐lattice ...
Daryoosh Vashaee, Kelvin Dsouza
wiley   +1 more source

Influence of the Isothermal Transformation Temperature on the Structure and Properties of Low-Carbon Steel

open access: yesNauka ta progres transportu
Purpose. The study is aimed at evaluating the effect of the isothermal transformation temperature on the structure and properties of low-carbon steel. Methodology.
I. A. Vakulenko   +5 more
doaj   +1 more source

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