Search Results - "Seok, Tae Jun"
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High‐Performance, Transparent Thin Film Hydrogen Gas Sensor Using 2D Electron Gas at Interface of Oxide Thin Film Heterostructure Grown by Atomic Layer Deposition
Published in Advanced functional materials (14-02-2019)“…A high‐performance, transparent, and extremely thin (<15 nm) hydrogen (H2) gas sensor is developed using 2D electron gas (2DEG) at the interface of an…”
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Field-Effect Device Using Quasi-Two-Dimensional Electron Gas in Mass-Producible Atomic-Layer-Deposited Al2O3/TiO2 Ultrathin (<10 nm) Film Heterostructures
Published in ACS nano (23-10-2018)“…We report the field-effect transistors using quasi-two-dimensional electron gas generated at an ultrathin (∼10 nm) Al2O3/TiO2 heterostructure interface grown…”
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Atomic-layer-deposited ZnSnO buffer layers for kesterite solar cells: Impact of Zn/(Zn+Sn) ratio on device performance
Published in Journal of alloys and compounds (25-02-2022)“…Atomic layer deposition (ALD) has been used to synthesize earth-abundant and non-toxic ZnSnO thin films as potential replacements for CdS buffer layers in…”
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Interface Carriers and Enhanced Electron‐Phonon Coupling Effect in Al2O3/TiO2 Heterostructure Revealed by Resonant Inelastic Soft X‐Ray Scattering
Published in Advanced functional materials (01-08-2021)“…The electronic structure and the electron‐phonon couplings in a novel mass‐production‐compatible Al2O3/TiO2 2D electron system (2DES) are investigated using…”
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Gas Sensors: High‐Performance, Transparent Thin Film Hydrogen Gas Sensor Using 2D Electron Gas at Interface of Oxide Thin Film Heterostructure Grown by Atomic Layer Deposition (Adv. Funct. Mater. 7/2019)
Published in Advanced functional materials (01-02-2019)“…In article number 1807760, Tae Joo Park, Sang Woon Lee, and co‐workers develop a high‐performance, transparent, and extremely thin (<15 nm) hydrogen gas sensor…”
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Chemical mechanism of formation of two-dimensional electron gas at the Al2O3/TiO2 interface by atomic layer deposition
Published in Materials today advances (01-12-2021)“…Two-dimensional electron gases (2DEGs) localized at oxide heterointerfaces can potentially be used in applications associated with the design of novel…”
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In Situ Observation of Two-Dimensional Electron Gas Creation at the Interface of an Atomic Layer-Deposited Al2O3/TiO2 Thin-Film Heterostructure
Published in Chemistry of materials (22-09-2020)“…A two-dimensional electron gas (2DEG) was formed at the interface of an ultrathin Al2O3/TiO2 heterostructure that was fabricated using atomic layer deposition…”
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Highly Uniform Resistive Switching Performances Using Two-Dimensional Electron Gas at a Thin-Film Heterostructure for Conductive Bridge Random Access Memory
Published in ACS applied materials & interfaces (21-08-2019)“…This research demonstrates, for the first time, the development of highly uniform resistive switching devices with self-compliance current for conductive…”
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Dependence of electrical properties on sulfur distribution in atomic-layer-deposited HfO2 thin film on an InP substrate
Published in Applied surface science (15-10-2019)“…S passivation of a HfO2 film on an InP substrate is demonstrated using annealing in H2S ambient either before or after ALD of the HfO2 film. We examined the…”
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Interface Carriers and Enhanced Electron‐Phonon Coupling Effect in Al 2 O 3 /TiO 2 Heterostructure Revealed by Resonant Inelastic Soft X‐Ray Scattering
Published in Advanced functional materials (01-08-2021)“…The electronic structure and the electron‐phonon couplings in a novel mass‐production‐compatible Al 2 O 3 /TiO 2 2D electron system (2DES) are investigated…”
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Interface Carriers and Enhanced Electron-Phonon Coupling Effect in Al2O3/TiO2 Heterostructure Revealed by Resonant Inelastic Soft X-Ray Scattering
Published in Advanced functional materials (20-06-2021)“…The electronic structure and the electron-phonon couplings in a novel mass-production-compatible Al2O3/TiO2 2D electron system (2DES) are investigated using…”
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Black Si Photocathode with a Conformal and Amorphous MoS x Catalytic Layer Grown Using Atomic Layer Deposition for Photoelectrochemical Hydrogen Evolution
Published in ACS applied materials & interfaces (30-03-2022)“…We demonstrated how the photoelectrochemical (PEC) performance was enhanced by conformal deposition of an amorphous molybdenum sulfide (a-MoS x ) thin film on…”
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Electrical and physicochemical properties of atomic-layer-deposited HfO2 film on Si substrate with interfacial layer grown by nitric acid oxidation
Published in Applied surface science (01-03-2016)“…•Ultrathin SiO2 interfacial layers grown using nitric acid oxidation and O3 oxidation were adopted at the interface of HfO2/Si.•Higher physical density of…”
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Field-Effect Device Using Quasi-Two-Dimensional Electron Gas in Mass-Producible Atomic-Layer-Deposited Al 2 O 3 /TiO 2 Ultrathin (<10 nm) Film Heterostructures
Published in ACS nano (23-10-2018)“…We report the field-effect transistors using quasi-two-dimensional electron gas generated at an ultrathin (∼10 nm) Al O /TiO heterostructure interface grown…”
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Improved interface properties of atomic-layer-deposited HfO2 film on InP using interface sulfur passivation with H2S pre-deposition annealing
Published in Applied surface science (01-12-2015)“…•ALD HfO2 films were grown on InP for III–V compound-semiconductor-based devices.•S passivation was performed with (NH4)2S solution and annealing under a H2S…”
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Nature of chemical states of sulfur embedded in atomic-layer-deposited HfO sub(2) film on Ge substrate for interface passivation
Published in Physica status solidi. PSS-RRL. Rapid research letters (01-09-2015)“…Sulfur was embedded in atomic-layer-deposited (ALD) HfO sub(2) films grown on Ge substrate by annealing under H sub(2)S gas before and after HfO sub(2) ALD…”
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Nature of chemical states of sulfur embedded in atomic-layer-deposited HfO2 film on Ge substrate for interface passivation
Published in Physica status solidi. PSS-RRL. Rapid research letters (01-09-2015)“…Sulfur was embedded in atomic‐layer‐deposited (ALD) HfO2 films grown on Ge substrate by annealing under H2S gas before and after HfO2 ALD. The chemical states…”
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