Articles with "ultra flat" as a keyword



Innovative Symmetrical Electrolyte Architecture Enables Ultra‐Flat and Thermal Resilient Protonic Ceramic Electrochemical Cells

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202513396

Abstract: Protonic ceramic electrochemical cells (PCECs) represent a promising class of solid‐state energy conversion devices capable of high‐efficiency hydrogen production and power generation. However, the practical deployment of planar PCECs is fundamentally constrained by severe structural… read more here.

Keywords: architecture; ultra flat; ceramic electrochemical; electrolyte ... See more keywords

Template-Stripping of Perovskite Thin Films for Dry-Interfacing and Surface-Structuring.

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Published in 2020 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c04006

Abstract: Combining excellent optoelectronic properties with the benefits of solution processability, metal-halide perovskites are promising materials for photovoltaic and light-emitting technologies. To facilitate the integration of perovskite thin films into optoelectronic devices, a need exists for… read more here.

Keywords: thin films; template stripping; ultra flat; perovskite thin ... See more keywords

Designing Ultra-flat Bands in Twisted Bilayer Materials at Large Twist Angles: Theory and Application to Two-Dimensional Indium Selenide.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c11953

Abstract: Intertwisted bilayers of two-dimensional (2D) materials can host low-energy flat bands, which offer opportunity to investigate many intriguing physics associated with strong electron correlations. In the existing systems, ultra-flat bands only emerge at very small… read more here.

Keywords: two dimensional; bilayer; flat bands; twist angles ... See more keywords

Ultra-flat twisted superlattices in 2D heterostructures

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Published in 2020 at "npj Computational Materials"

DOI: 10.1038/s41524-020-00364-w

Abstract: Moiré-superlattices are ubiquitous in 2D heterostructures, strongly influencing their electronic properties. They give rise to new Dirac cones and are also at the origin of the superconductivity observed in magic-angle bilayer graphene. The modulation amplitude… read more here.

Keywords: external strain; ultra flat; flat twisted; corrugation ... See more keywords

Growth of ultra-flat ultra-thin alkali antimonide photocathode films

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Published in 2024 at "APL Materials"

DOI: 10.1063/5.0213461

Abstract: Ultra-flat, ultra-thin alkali antimonide photocathodes with high crystallinity can exhibit high quantum efficiency and low mean transverse energy of outgoing electrons, which are essential requirements for a variety of applications for photocathode materials. Here, we… read more here.

Keywords: ultra flat; flat ultra; thin alkali; ultra thin ... See more keywords

Generation of ultra-flat broad spectrum with stable single-pulse mode-locking in double-clad Yb-doped fiber laser

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Published in 2025 at "Chinese Physics B"

DOI: 10.1088/1674-1056/adea59

Abstract: In this study, we achieved an ultra-flat broad spectrum output with a 20-dB bandwidth of 77.85 nm in a double-clad Yb-doped fiber laser. The intensity difference between the highest and lowest points of the spectrum… read more here.

Keywords: broad spectrum; ultra flat; fiber laser; spectrum ... See more keywords

Ultra-Flat and Broadband Optical Frequency Comb Generator via a Single Mach–Zehnder Modulator

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Published in 2017 at "IEEE Photonics Technology Letters"

DOI: 10.1109/lpt.2016.2640276

Abstract: An ultra-flat and broadband optical frequency comb (OFC) generator is proposed and experimentally demonstrated by directly modulating a dual-driven Mach–Zehnder Modulator (MZM) with only one RF signal. The proposed scheme can generate two forms of… read more here.

Keywords: frequency; broadband optical; ultra flat; optical frequency ... See more keywords

Tunable ultra-flat optical-comb-enabled, reconfigurable, and efficient coherent channelized receiver.

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Published in 2020 at "Optics letters"

DOI: 10.1364/ol.385458

Abstract: In this Letter, based on two advanced tunable ultra-flat optical frequency comb generators (T-FOCGs), a coherent channelized receiver with high channelized efficiency and reconfigurability is proposed. In the T-FOCG, the number of 1 dB comb… read more here.

Keywords: channelized receiver; ultra flat; tunable ultra; flat optical ... See more keywords
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Ultra-flat, low-noise, and linearly polarized fiber supercontinuum source covering 670-1390 nm: publisher's note.

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Published in 2022 at "Optics letters"

DOI: 10.1364/ol.460531

Abstract: This publisher's note contains a correction to Opt. Lett.46, 1820 (2021)10.1364/OL.420676. read more here.

Keywords: ultra flat; flat low; low noise; publisher ... See more keywords
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Ultra-flat AlN grown with a pulsed H2 etching condition

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Published in 2018 at "Applied Physics Express"

DOI: 10.7567/1882-0786/aaf5c2

Abstract: A 1.5 μm AlN epilayer with a root-mean-square surface roughness of 0.25 nm was grown by metal-organic chemical vapor deposition at the single substrate temperature below 1200 °C. The ultra-flat surface is achieved with 30… read more here.

Keywords: grown pulsed; aln grown; ultra flat; aln ... See more keywords