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Thermal Magnetic Effect of Needle-Shaped Gamma-Iron Oxide Nanoparticles in Low-Frequency Fields

2019 ◽  
Vol 93 (7) ◽  
pp. 1322-1326 ◽  
Author(s):  
V. R. Khabibullin ◽  
G. V. Stepanov
Keyword(s):  
Iron Oxide ◽  
Iron Oxide Nanoparticles ◽  
Low Frequency ◽  
Magnetic Effect ◽  
Oxide Nanoparticles ◽  
Gamma Iron

Direct growth of oriented nanocrystals of gamma-iron on graphene oxide substrates. Detailed analysis of the factors affecting unexpected formation of the gamma-iron phase

2019 ◽  
Vol 43 (33) ◽  
pp. 12923-12931 ◽  
Author(s):  
Artur Khannanov ◽  
Airat Kiiamov ◽  
Alina Valimukhametova ◽  
Farit G. Vagizov ◽  
Ayrat M. Dimiev
Keyword(s):  
Graphene Oxide ◽  
Room Temperature ◽  
Oxide Surface ◽  
Unexpected Formation ◽  
Gamma Iron ◽  
Factors Affecting ◽  
Oxide Substrates ◽  
Direct Growth ◽  
Iron Phase ◽  
Annealing Method

Substrate-oriented nanocrystals of room-temperature-stable gamma-iron have been synthesized by a two-step impregnation/annealing method on a graphene oxide surface.

Flame synthesis of gamma-iron-oxide (γ-Fe2O3) nanocrystal films and carbon nanotubes on stainless-steel substrates

2019 ◽  
Vol 37 (1) ◽  
pp. 1249-1256 ◽  
Author(s):  
Hua Hong ◽  
Nasir K. Memon ◽  
Zhizhong Dong ◽  
Bernard H. Kear ◽  
Stephen D. Tse
Keyword(s):  
Carbon Nanotubes ◽  
Stainless Steel ◽  
Iron Oxide ◽  
Flame Synthesis ◽  
Gamma Iron ◽  
Nanocrystal Films ◽  
Steel Substrates

Thermal Activation Analysis for Higher-Temperature Deformation of Gamma-Iron

2018 ◽  
Vol 49 (8) ◽  
pp. 3157-3160 ◽  
Author(s):  
R. W. Armstrong ◽  
N. Balasubramanian
Keyword(s):  
Activation Analysis ◽  
Thermal Activation ◽  
Temperature Deformation ◽  
Gamma Iron ◽  
Higher Temperature

Spectroelectrochemistry and electrosynthesis of polypyrrole supercapacitor electrodes based on gamma aluminum oxide and gamma iron (III) oxide nanocomposites

2017 ◽  
Vol 251 ◽  
pp. 212-222 ◽  
Author(s):  
Jalal Arjomandi ◽  
Jin Yong Lee ◽  
Fatemeh Ahmadi ◽  
Mohammad Hadi Parvin ◽  
Hamed Moghanni-Bavil-Olyaei
Keyword(s):  
Aluminum Oxide ◽  
Gamma Iron

scholarly journals Influence of Alpha and Gamma-Iron Oxide Nanoparticles on Marine Microalgae Species

2015 ◽  
Vol 95 (6) ◽  
pp. 752-757 ◽  
Author(s):  
Veysel Demir ◽  
Mehmet Ates ◽  
Zikri Arslan ◽  
Mustafa Camas ◽  
Fatih Celik ◽  
...  
Keyword(s):  
Iron Oxide ◽  
Iron Oxide Nanoparticles ◽  
Marine Microalgae ◽  
Oxide Nanoparticles ◽  
Gamma Iron

Effect of magnetic gamma-iron oxide nanoparticles on the efficiency of dye-sensitized solar cells

RSC Advances ◽  
2015 ◽  
Vol 5 (53) ◽  
pp. 42869-42874 ◽  
Author(s):  
Fengshi Cai ◽  
Shixin Zhang ◽  
Zhihao Yuan
Keyword(s):  
Magnetic Field ◽  
Solar Cells ◽  
Iron Oxide ◽  
Field Effect ◽  
Dye Sensitized Solar Cells ◽  
Magnetic Field Effect ◽  
Oxide Nanoparticles ◽  
Gamma Iron ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

Magnetic γ-Fe2O3 nanoparticles are introduced into the photoanodes to improve the performance of DSSCs by the γ-Fe2O3 nanoparticles-induced internal magnetic field effect.

Mössbauer study of gamma‴-iron nitride film

2012 ◽  
Vol 219 (1-3) ◽  
pp. 13-17 ◽  
Author(s):  
Yasuhiro Yamada ◽  
Ryo Usui ◽  
Yoshio Kobayashi
Keyword(s):  
Iron Nitride ◽  
Nitride Film ◽  
Mössbauer Study ◽  
Gamma Iron ◽  
Iron Nitride Film

Smart Materials Based on Magnetorheological Composites

2012 ◽  
Vol 714 ◽  
pp. 167-173 ◽  
Author(s):  
Marcin Masłowski ◽  
Marian Zaborski
Keyword(s):  
Magnetic Field ◽  
Smart Materials ◽  
Magnetic Field Effect ◽  
Cross Linking ◽  
Vibrating Sample Magnetometer ◽  
Magnetorheological Elastomer ◽  
Gamma Iron ◽  
Magnetorheological Elastomers ◽  
Elastomer Composites ◽  
Ferromagnetic Particles

Magnetorheological elastomer composites (MREs) based on different magnetoactive fillers such as: carbonyl iron powder (CIP), gamma iron oxide (γ-Fe2O3), micro-and nanosize Fe3O4 are reported and studied. MREs were obtained from various elastomer matrixes such as: ethylene propylene, acrylonitrile butadiene, silicone, ethylene-octene and polyoctenamer rubbers. To align particles in elastomer, cross-linking process took place in magnetic field. Effect of the amount of ferromagnetic particles and their arrangement on the microstructure and properties in relation to the external magnetic field was examined. The microstructure, magnetic and magnetoreological properties of compositions were investigated with scanning electron microscopy (SEM), vibrating sample magnetometer (VSM) and ARES Rheometer with magnetic device. Cross-linking density and mechanical properties of the composites were also studied. It was found that microstructure anisotropy has significant effect on the properties of magnetorheological elastomers. Moreover, different amount of magnetoactive fillers influence mechanical and magnetic properties of the vulcanizates. Many essential conclusions occur after application the wide variety of elastomer matrixes filled with different ferromagnetic particles in the context of preparation process of smart materials based on magnetorheological elastomer composites.

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