Search Results - "JANG, Pyungwoo"
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Effects of Silicon Content on the Properties of Gas-Atomized Fe-Si-Cr Powders
Published in IEEE transactions on magnetics (01-11-2017)“…Fe-7%, 8%, 9%, and 11%Si-Cr powders were gas atomized and then annealed at 25 °C-750 °C to investigate the effects of Si content, DO 3 phase, and B2 phase on…”
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2
Effects of Ordering on the Magnetic Properties of Gas-Atomized Fe-Si-Cr Powders
Published in IEEE transactions on magnetics (01-04-2017)“…Fe-9%Si-2%Cr powder was gas-atomized and then annealed in order to investigate the effects of DO 3 and B2 ordered phases on high-frequency permeability of the…”
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3
Effects of Insulator Resistivity on Eddy Current Loss of Compressed Powder Cores Studied by FEM
Published in IEEE transactions on magnetics (01-06-2009)“…Effects of the resistivity of the insulation layer on the eddy current loss of compressed Fe and Fe-6.5% Si powder cores were simulated by using 3-D finite…”
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Journal Article Conference Proceeding -
4
Interfacial structure of ferromagnetic Fe-Pt thin films grown on a Si substrate
Published in Current applied physics (01-07-2011)“…In order to understand the Fe-Pt phase transformation, Fe-Pt films were sputtered on HF-treated, untreated Si substrates, and SiO 2 substrates and the magnetic…”
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5
New manufacturing method for Fe-Si magnetic powders using modified pack-cementation process
Published in Metals and materials international (01-03-2013)“…This paper describes a new method for making Fe-Si magnetic powders using a pack-cementation process. It was found that Fe-Si alloy powders were formed by a…”
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6
Acoustic Noise Characteristics and Magnetostriction of Fe-Si Powder Cores
Published in IEEE transactions on magnetics (01-04-2012)“…Fe-Si powder compressed cores have been widely used as reactors in the powder conditioning systems (PCS) of photovoltaic applications and electrical vehicles…”
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Journal Article Conference Proceeding -
7
Properties of Fe-Al Cores Made From Fe-Al Powders Annealed in a Damp Hydrogen Atmosphere
Published in IEEE transactions on magnetics (01-01-2013)“…Gas-atomized Fe-4, 6wt.%Al powders were annealed in a damp hydrogen atmosphere with a dew point of 0 ° C and -17 ° C in order to cover the powder surface with…”
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Journal Article Conference Proceeding -
8
Effects of annealing on the structure and magnetic properties of Fe–Si–Cr flakes and composite sheets
Published in Journal of magnetism and magnetic materials (01-03-2015)“…Gas atomized Fe–Si–Cr powder was used in the application of a bypass sheet in near field communication. The powder was ball-milled, annealed at different…”
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9
Post-annealing effect of YIG ferrite thin-films epitaxially grown by reactive sputtering
Published in Physica status solidi. A, Applied research (01-06-2004)“…Amorphous Y–Fe–O ferrite thin‐films were deposited on GGG (111) substrates using reactive RF magnetron sputtering with a Y2.84Fe5.16O12 ferrite sintered…”
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10
Effects of annealing on the structure and magnetic properties of Fe-Si-Cr flakes and composite sheets
Published in Journal of magnetism and magnetic materials (01-03-2015)“…Gas atomized Fe-Si-Cr powder was used in the application of a bypass sheet in near field communication. The powder was ball-milled, annealed at different…”
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11
Formation of particulate Fe-Al films by selective oxidation of aluminum
Published in Metals and materials international (01-09-2013)“…Fe-5wt%Al films were RF-sputtered and annealed in an atmosphere of hydrogen and water vapor mixture at 1173 K for up to 200 min in order to selectively oxidize…”
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12
Order-disorder transition and magnetic properties of Fe-6.5Si alloy powder cores
Published in Physica status solidi. A, Applications and materials science (01-12-2007)“…Magnetic properties of Fe‐6.5%Si powder compact cores were analyzed when cores were annealed at 400 – 800 °C for up to 960 min. Hysteresis losses were larger…”
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13
Fabrication of Fe-Al nanoparticles by selective oxidation of Fe-Al thin films
Published in Nanoscale research letters (02-04-2013)“…The possibility of a new technique for fabricating nanoparticles from thin films using selective oxidation in an atmosphere mixture of water vapor and hydrogen…”
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14
Feasibility study of micro-undulator for T-ray sources by using FEM
Published in Physica status solidi. A, Applications and materials science (01-12-2007)“…Possibility of development of micro‐undulator utilizing perpendicular magnetic recording was explored by 2‐D FEM simulation. In the simulation FePt and CoCr…”
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15
Synthesis and characterization of ZnO thin films deposited via PE-MOCVD
Published in Current applied physics (01-07-2011)“…ZnO thin films were deposited on Si(100) and quartz glass substrates via metal organic chemical vapor deposition (MOCVD) using a diethyl zinc (DEZ) precursor…”
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16
Inductively coupled plasma post-treatment of Al-doped ZnO thin films
Published in Current applied physics (01-01-2011)“…Thin films of Al-doped zinc oxide (AZO) deposited on glass substrate using the RF magnetron sputter method were post-treated with inductively coupled plasma to…”
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17
Properties of low-temperature passivation of silicon with ALD Al2O3 films and their PV applications
Published in Electronic materials letters (01-06-2011)“…Low-temperature-deposited aluminium oxide (Al 2 O 3 ) thin films were grown on p-type Si substrates by the remote plasma atomic layer deposition (RPALD)…”
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18
Effect of DO3Phase on High Frequency Permeability of Fe-Si Powder Cores
Published in 2016 International Conference of Asian Union of Magnetics Societies (ICAUMS) (01-08-2016)“…Fe-Si powder cores have been widely used in energy converting systems and others. In order to use the cores in a several megahertz, silicon content should much…”
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Conference Proceeding -
19
Fabrication of FePt Nanoparticle Langmuir-Blodgett Films
Published in Electronic materials letters (01-06-2009)“…Monodisperse FePt nanopartcles were synthesized by polyol reduction of Pt(acac)2 and thermal decomposition of Fe(CO)5 with stabilizing agents. As-synthesized…”
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20
Growth of YIG films by solid phase epitaxy and their properties
Published in Physica status solidi. A, Applied research (01-06-2004)“…For epitaxial growth of YIG films by sputtering, methods of both direct growth and solid phase epitaxy (SPE) were used. However, it was very hard to sputter at…”
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Journal Article Conference Proceeding