Results 51 to 60 of about 285,357 (258)

Band Broadening of Terahertz Photonic Crystals Circulator Using Two Symmetrical Hexagonal Aluminum Sheets

open access: yesCrystals, 2023
Future 6G communication systems will require wideband nonreciprocal devices in the terahertz frequency domain. A novel ultra-wideband terahertz circulator is implemented by inserting a NixZn1−xFe2O4 ferrite sphere into the Al2O3 dielectric rod-array. The
Yong Wang   +6 more
doaj   +1 more source

Flexible Thin‐Film Heater Composed of Laser‐Induced Graphene and Poly(D, L‐Lactic Acid) with Electro‐ and Photo‐Thermal Properties toward Cancer Thermotherapy

open access: yesAdvanced Electronic Materials, EarlyView.
This study introduces a thin‐film‐type heat‐generating device that uses laser induced graphene (LIG) on a poly(D, L‐lactic) acid film, which realizes both resistance heating by direct current application and photothermal conversion heating by near‐infrared light irradiation.
Masato Saito   +4 more
wiley   +1 more source

Enhancing optical properties of Ba-Ni ferrite through nonmagnetic ion doping for sustainable green technologies and renewable energy applications

open access: yesDiscover Sustainability
Barium ferrite powder was produced using a standard ceramic procedure, and its structure and optical properties were investigated. X-ray diffraction analysis (XRD) showed that the powder had a w-type hexagonal structure.
Sadiq H. Khoreem, A. H. AL-Hammadi
doaj   +1 more source

Spin Seebeck effect in Y-type hexagonal ferrite thin films [PDF]

open access: yes, 2017
Spin Seebeck effect (SSE) has been investigated in thin films of two Y-hexagonal ferrites Ba$_2$Zn$_{2}$Fe$_{12}$O$_{22}$ (Zn2Y) and Ba$_2$Co$_{2}$Fe$_{12}$O$_{22}$ (Co2Y) deposited by a spin-coating method on SrTiO$_3$(111) substrate.
J. Hirschner   +8 more
semanticscholar   +1 more source

Interplay Between Structure and Interfacial Interactions in Fe‐Gd Synthetic Ferrimagnets

open access: yesAdvanced Electronic Materials, EarlyView.
Synthetic ferrimagnets with nearly identical Gd–Fe compositions but different architectures and crystallinity were investigated by element‐resolved microscopy, structural analysis and atomistic spin simulations. The results show that Curie temperature and domain evolution are governed primarily by structural order and interface quality, demonstrating ...
Álvaro González‐García   +10 more
wiley   +1 more source

Improved antimicrobial and antibiofilm efficacy of adaptable BaTi2Fe4O11−(x)NiFe2O4 nanoceramics: investigating microstructural and spectroscopic analysis

open access: yesSN Applied Sciences, 2023
In the pursuit of multifunctional applications, researchers face a crucial challenge in creating an efficient and economically viable perovskite-ferrite nanomaterial.
Ali B. Abou Hammad   +3 more
doaj   +1 more source

NiFe‐NO3 Layered Double Hydroxide as a Novel Anode for Sodium Ion Batteries

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
This study demonstrates, for the first time, the effectiveness of using LDH as an anodic material in SIB. The material is stable and show high specific capacity, the reaction mechanism has been thoroughly investigated and comprehensively described and involves a phase change reaction followed by sodium intercalation.
Marco Fortunato   +4 more
wiley   +1 more source

A review on structural, electrical and magnetic properties of Y-type hexaferrites synthesized by different techniques for antenna applications and microwave absorbing characteristic materials

open access: yesAIMS Materials Science, 2020
In the present review paper, we have explained the structure of Y-type hexagonal ferrite and various synthesis techniques. This paper also includes structural, electrical, magnetic properties and applications of Y-type hexaferrites and focusses on their ...
Monika Chandel   +4 more
doaj   +1 more source

Unlocking the Potential of Carbon Nitride (CxNy) Electrocatalysts in Hydrogen Evolution, Oxygen Evolution and Overall Water Splitting

open access: yesExploration, EarlyView.
Electrocatalytic water splitting with carbon nitride (CxNy) materials has gained attention due to their synthesis, structure, and robust application. Among various CxNy types, g‐C3N4 is the most stable allotrope and extensively researched. This review explores recent advances in HER, OER, and OWS, focusing on defect engineering, structural engineering,
Zi Wei Tan   +4 more
wiley   +1 more source

Room-Temperature Ferrimagnet with Frustrated Antiferroelectricity: Promising Candidate Toward Multiple State Memory

open access: yes, 2014
On the basis of first-principles calculations we show that the M-type hexaferrite BaFe12O19 exhibits frustrated antiferroelectricity associated with its trigonal bipyramidal Fe3+ sites.
Wang, P. S., Xiang, H. J.
core   +2 more sources

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