Search Results - "JOONGHOE DHO"

Bending strain–induced changes in perpendicular magnetic properties of Pt/Co/Pt films on flexible substrates by Kim, Jeongjun, Dho, Joonghoe

“…We studied the irreversible changes in the perpendicular magnetic properties of Pt(2.2 nm)/Co(0.8 nm)/Pt(2.2 nm) films deposited on a flexible polyethylene…”
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Magnetic-field-induced switchable exchange bias in NiFe film on (110) Fe3O4 with a strong uniaxial magnetic anisotropy by Dho, Joonghoe

“…The exchange bias in a soft ferromagnetic NiFe layer coupled with a hard ferrimagnetic Fe3O4 film grown on a (110) SrTiO3 single-crystal substrate was…”
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Characteristics of phase transition of VO2 films grown on TiO2 substrates with different crystal orientations by Li, Jian, Dho, Joonghoe

“…Vanadium dioxide (VO2) films were synthesized on two-side polished titanium dioxide (TiO2) substrates of five different crystal orientations, (001), (100),…”
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Anomalous optical switching and thermal hysteresis behaviors of VO2 films on glass substrate by Li, Jian, Dho, Joonghoe

“…In order to study the optical switching of vanadium dioxide (VO2) and its thermal hysteresis behavior, we fabricated VO2 films on glass substrates at various…”
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Greatly reduced leakage current and conduction mechanism in aliovalent-ion-doped BiFeO3 by Qi, Xiaoding, Dho, Joonghoe, Tomov, Rumen, Blamire, Mark G., MacManus-Driscoll, Judith L.

“…Transport properties of aliovalent-ion-doped BiFeO3 (BFO) thin films have been studied in order to identify the cause of high leakage currents. Doping of 2at.%…”
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Substrate Effects on In-Plane Magnetic Anisotropy and Verwey Transition Temperatures of (100) Magnetite (Fe3O4) Films by Dho, Joonghoe, Kim, Byeonggeon, Ki, Sanghoon

“…(100) Fe 3 O 4 films were grown on five different (100)-oriented substrates: MgO, MgAl 2 O 4 (MAO), (PbMg 0.33 Nb 0.67 ) 1-x :(PbTiO 3 ) x (PMNT), SrTiO 3…”
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Leakage current and rectification behavior of Au / TiO2 / GaN junctions with TiO2 interlayer oxygen deposition pressure by Lee, Youngjin, Kang, Seung-Hyeon, Lee, Jung-Hee, Dho, Joonghoe

“…Au/TiO2/GaN junctions with a TiO2 interlayer were deposited at various oxygen pressures from 5 mTorr to 80 mTorr, and their surface, microstructural, and…”
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Controlling metal-insulator transition in the hetero-epitaxial VO2/TiO2 bilayer grown on Al2O3 by JIAN LI, DHO, Joonghoe

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Optimizing surface treatment for Nb-doped SrTiO3 substrates: effects on structural and chemical properties by Son, Minjae, Sualiheen, Karishma, Choi, Sangjin, Jeong, Seung Gyo, Bae, Jong-Seong, Eom, Seungyong, Kim, Do Hyung, Dho, Joonghoe, Jalan, Bharat, Lee, Dooyong, Kang, Kyeong Tae

“…The use of SrTiO 3 substrates with either TiO 2 - or SrO-terminated surfaces is essential for growing high-quality epitaxial perovskite oxide thin films…”
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Reentrant spin glass behavior in Cr-doped perovskite manganite by Dho, Joonghoe, Kim, W S, Hur, N H

“…The magnetic and transport properties of the Cr-doped manganites La(0.46)Sr(0.54)Mn(1-y)Cr(y)O3 ( 0 < or = y < or = 0.08) with the A-type antiferromagnetic…”
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Ferromagnetic Layer Thickness Dependence of Magnetic Domain Structure in Ultrathin Symmetric Ta/Pt/Co/Pt/Ta Multilayers by Dho, Joonghoe

“…To minimize the total film thickness and to make symmetric layer structures, the ultrathin symmetric Ta(1 nm)/Pt(1.7 nm)/ Co(<inline-formula> <tex-math…”
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Aligned stripe magnetic domains in a Pt/Co/Pt film induced by a step-terrace substrate by Dho, Joonghoe

“…•Deposition of Pt/Co/Pt trilayers on flat and step-terrace Al2O3 substrates.•Investigation of the influence of surface morphology on the perpendicular magnetic…”
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Pseudo-hexagonal in-plane alignment of rutile (100)Nb:TiO2 on hexagonal (0001)Al2O3 plane by Wang, Chaojun, Dho, Joonghoe, Geul Lee, Sang

“…Nb-doped TiO2 (Nb:TiO2) films were grown on a hexagonal (0001)Al2O3 substrate at 650°C and ∼10−5Torr. The Nb:TiO2 film had a small resistivity of ∼8×10−4Ωcm at…”
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Strain-induced magnetic stripe domains in La0.7Sr0.3MnO3 thin films by Dho, Joonghoe, Kim, Y. N., Hwang, Y. S., Kim, J. C., Hur, N. H.

“…We have investigated magnetic microstructures of magnetoresistive La0.7Sr0.3MnO3 (LSMO) thin films. Magnetic images are strongly dependent on structural strain…”
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High-resolution x-ray diffraction and transmission electron microscopy of multiferroic BiFeO3 films by Qi, Xiaoding, Wei, Ming, Lin, Yuan, Jia, Quanxi, Zhi, Dan, Dho, Joonghoe, Blamire, Mark G., MacManus-Driscoll, Judith L.

“…High-resolution x-ray diffraction and transmission electron microscopy (TEM) have been used to study BiFeO3 thin films grown on the bare and SrRuO3 buffered…”
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Tuning magnetism via selective injection into ice-like clathrate hydrates by Park, Youngjune, Koh, Dong-Yeun, Dho, Joonghoe, Yeon, Sun-Hwa, Lee, Huen

“…Clathrate hydrates exhibit unique intermolecular interactions between host-guest and guest-guest molecules because they have 3-dimensional superstructures…”
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Metallic ferrimagnetism and magnetic domain structure in (001) NiCo2O4 films grown at various temperatures by Kim, Jungbae, Dho, Joonghoe

“…•Metallic ferrimagnetism in NiCo2O4 films grown on (001) MgAl2O4 at 250-350 °c.•Increase of tetragonal distortion and decrease of TC with increasing deposition…”
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Magnetic domain structure of the ferrimagnetic (001) NiCo2O4 film with perpendicular magnetic anisotropy by Dho, Joonghoe, Kim, Jungbae

“…•Growth of the ferrimagnetic (100) NiCo2O4 film with perpendicular magnetic anisotropy.•Observation of magnetic domain structure with magnetic field,…”
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Variations in perpendicular magnetic and electrical transport properties of ferrimagnetic (001) NiCo2O4 films by Park, Jiseok, Dho, Joonghoe

“…•Growth of the ferrimagnetic (100) NiCo2O4 film at various laser energy densities.•Robust perpendicular magnetic anisotropy in the film grown at low energy…”
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Thickness dependence of perpendicular magnetic anisotropy in films on by Dho, Joonghoe, Hur, N.H.

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