Structural, Chemical and Electrical Properties of Au/La2O3/n-GaN MIS Junction with a High-k Lanthanum Oxide Insulating Layer

Uma, M.; Balaram, N.; Reddy, P.R. Sekhar; Janardhanam, V.; Reddy, V. Rajagopal; Yun, Hyung-Joong; Lee, Sung‐Nam; Choi, Chel‐Jong

doi:10.1007/s11664-019-07193-8

Cited by 39 publications

(16 citation statements)

References 40 publications

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“…65-3185. 20 For the Sm 2 O 3 NPs, the diffraction peaks located at 28.2°, 32.7°, 38.6°, 45.4°, and 54.3° correspond to the (222), (400), (332), (521), and (541) planes of cubic Sm 2 O 3 (JCPDS no. 15-0813), respectively.…”

Section: Resultsmentioning

confidence: 99%

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Novel lanthanide(III) 4-methylbenzoylhydrazide complexes as precursors for lanthanide oxide nanophotocatalysts

et al. 2019

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Section: Resultsmentioning

confidence: 99%

“…The increase of the band gap can be attributed to the quantum confinement effect, which led to decreased charge carrier recombination rates. 20 The sizes and morphologies of the CeO 2 nanoparticles were investigated by TEM. The TEM image of CeO 2 is shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

Novel lanthanide(III) 4-methylbenzoylhydrazide complexes as precursors for lanthanide oxide nanophotocatalysts

et al. 2019

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“…Figure 3f shows the La 3d core spectrum of LCT, associated with La 3+ in a perovskite lattice. 21 Similarly, the main peaks appearing in the Ca 2p spectrum (Figure 3g) correspond to the Ca 2+ in LCT. 22 With regard to the Ti 2p core spectrum, 23 it presents a double excitation.…”

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confidence: 80%

Synthesizing Functional Ceramic Powders for Solid Oxide Cells in Minutes through Thermal Shock

et al. 2022

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Ceramic fuel/electrolysis cells are key energy/material conversion devices. Here, we report that, by thermal shock, mixed ionic and electronic conducting electrode powders with a perovskite structure can be successfully synthesized within 2 min, while this procedure requires a two-step calcination and almost 40 h when a conventional furnace is used. This benefits from the high temperature supplied to the system, greatly enhancing the reaction kinetics among the raw materials. Moreover, typical electrolyte powders with a fluorite structure, such as (Y2O3)0.08(ZrO2)0.92 (YSZ) and Sm0.2Ce0.8O1.95 (SDC), are also synthesized in several minutes through a thermal shock, which significantly reduces the fabrication time of a solid oxide cell. Also, one can easily prepare multiple samples at one time via tailoring the carbon support size. The availability of fast synthesis of the thermal-shock technique enables the development of new functional ceramic powders for solid-oxide cells in a high-throughput and economical manner.

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“…Recent research trends move towards the usage of rare earth element, lanthanum oxide in various applications like superconductor, fiber optics, sensors, gas convector in automobiles, light emitting phosphors and laser [20,21]. Uma et al observed that the lanthanum oxide deposition layer between Au and GaN semiconductor enhanced the dielectric properties by metal insulator-semiconductor combination [17].…”

Section: Introductionmentioning

confidence: 99%

“…Sivaram et al studies on electrochemical confirms that the addition of ZnO in PbO nanoparticles enhances the electro chemical properties [16]. Among the various semiconductor metal oxides, the rare earth metal oxides are gifted elements due to their unique properties such as optical, magnetic and electrical properties [17]. Rare earth elements show the special spectral configurations with partially shielded 4f-4f electron transition [18,19].…”

Section: Introductionmentioning

confidence: 99%

Efficient Photocatalytic and EMI Shielding Properties of CdO/ La2O3 Nanocomposites

S¹,

Srinivasan²,

Thangeeswari³

et al. 2021

Preprint

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The pure CdO and CdO/La 2 O 3 , and CdO/La 2 O 3 /PVP nanocomposites were synthesized by microwave irradiation method. The prepared samples are analyzed by X-Ray diffraction (XRD), Fourier Transform infrared spectroscopy (FT-IR), Scanning electron microscope (SEM), Transmission electron microscope (TEM), UV visible spectrometer, Photoluminescence (PL), and Vibrating sample magnetometer (VSM). XRD and FTIR studies confirmed the formation of binary metallic nanocomposites. SEM and TEM analysis authenticate that the addition of lanthanum oxide and PVP influences the size and morphology of CdO nanoparticles the bandgap value can be tuned by the addition of La 2 O 3 and PVP. Photoluminescence spectra show the violet emission in the region between 432 nm to 460 nm and the green emission peak at 529 nm for all three synthesized samples. CIE color coordinates for CdO and CdO/La 2 O 3 , and CdO/La 2 O 3 /PVP nanocomposites were also estimated from emission spectrum. The VSM results confirmed that the nanocomposites possess the weak ferromagnetic properties due to the inclusion of La 2 O 3 and PVP. The dielectric constant, electrical conductivity and dielectric loss values at room temperature have been analyzed for CdO and CdO/La 2 O 3 , and CdO/La 2 O 3 /PVP nanocomposites. Among the three synthesized samples, the CdO/La 2 O 3 /PVP nanocomposite attain high electromagnetic shielding efficiency. Furthermore, the rare earth element lanthanum oxide and PVP enhances the efficiency of photocatalytic degradation of MB dye.

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Structural, Chemical and Electrical Properties of Au/La2O3/n-GaN MIS Junction with a High-k Lanthanum Oxide Insulating Layer

Cited by 39 publications

References 40 publications

Novel lanthanide(III) 4-methylbenzoylhydrazide complexes as precursors for lanthanide oxide nanophotocatalysts

Novel lanthanide(III) 4-methylbenzoylhydrazide complexes as precursors for lanthanide oxide nanophotocatalysts

Synthesizing Functional Ceramic Powders for Solid Oxide Cells in Minutes through Thermal Shock

Efficient Photocatalytic and EMI Shielding Properties of CdO/ La2O3 Nanocomposites

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