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Article
Open AccessSignature of spin-phonon coupling driven charge density wave in a kagome magnet
The intertwining between spin, charge, and lattice degrees of freedom can give rise to unusual macroscopic quantum states, including high-temperature superconductivity and quantum anomalous Hall effects. Recen...
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Article
Open AccessTesting electron–phonon coupling for the superconductivity in kagome metal CsV3Sb5
In crystalline materials, electron-phonon coupling (EPC) is a ubiquitous many-body interaction that drives conventional Bardeen-Cooper-Schrieffer superconductivity. Recently, in a new kagome metal CsV3Sb5, superc...
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Article
Open AccessDiscovery of conjoined charge density waves in the kagome superconductor CsV3Sb5
The electronic instabilities in CsV3Sb5 are believed to originate from the V 3d-electrons on the kagome plane, however the role of Sb 5p-electrons for 3-dimensional orders is largely unexplored. Here, using reson...
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Article
Open AccessEndless Dirac nodal lines in kagome-metal Ni3In2S2
Topological semimetals are a frontier of quantum materials. In multiband electronic systems, topological band crossings can form closed curves, known as nodal lines. In the presence of spin–orbit coupling and/...
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Article
Weighted Least Square Design Technique for Hilbert Transformer using Fractional Derivative
In this paper, a new design method for realization of Hilbert transformer (HT) by an all-pass infinite impulse response (IIR) filter is proposed. The design problem is devised as minimization of the weighted l...
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Article
Open AccessGiant phonon anomalies in the proximate Kitaev quantum spin liquid α-RuCl3
The Kitaev quantum spin liquid epitomizes an entangled topological state, for which two flavors of fractionalized low-energy excitations are predicted: the itinerant Majorana fermion and the Z2 gauge flux. It was...
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Article
First Asian case of biopsy-confirmed manubriosternal joint involvement in rheumatoid arthritis
Rheumatoid arthritis (RA) is an inflammatory polyarthritis that typically affects the small joints but can also involve the manubriosternal joint (MSJ). Although cases of MSJ involvement in RA are rare, such c...
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Chapter
Texture-Dependent Optimal Fractional-Order Framework for Image Quality Enhancement Through Memetic Inclusions in Cuckoo Search and Sine-Cosine Algorithms
In this contemporary era, technological dependencies on digital images are indispensable. Quality enhancement is an obligatory part of image pre-processing, so that desired information can be harvested efficie...
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Article
Optimally sectioned and successively reconstructed histogram sub-equalization based gamma correction for satellite image enhancement
This paper presents an overall quality enhancement approach especially for dark or poorly illuminated images with a core objective to re-allocate the processed pixels using recursive histogram sub-division. An...
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Article
A new design method for FIR notch filter using Fractional Derivative and swarm intelligence
In this paper, a new design method for the finite impulse response (FIR) notch filters using fractional derivative (FD) and swarm intelligence technique is presented. The design problem is constructed as a min...
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Chapter and Conference Paper
An Improved Design Technique of Digital Finite Impulse Response Filter for Notch Filtering
In this paper, an improved method for the design of finite impulse response (FIR) filter for notch filtering is devised using fractional derivative (FD). Optimal design of FIR notch filter is formed as minimiz...
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Chapter
Advances in Multirate Filter Banks: A Research Survey
In this chapter, a research survey on the design of multirate filter banks is presented. Digital filters and multirate filter bank have been widely employed in the field of digital signal processing (DSP). Now...
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Article
Open AccessStrongly Coupled Magnetic and Electronic Transitions in Multivalent Strontium Cobaltites
The topotactic phase transition in SrCoO x (x = 2.5–3.0) makes it possible to reversibly transit between the two distinct phases, i.e. the brownmillerite SrCoO2.5 that is a room...
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Article
Bone mineral density among Korean females aged 20–50 years: influence of age at menarche (The Korea National Health and Nutrition Examination Survey 2008–2011)
To evaluate a possible correlation between bone mineral density (BMD) and age at menarche, the present study used the BMD dataset of the Korea National Health and Nutrition Examination Survey IV-V (KNHANES IV-...
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Article
Enhanced efferocytosis by dendritic cells underlies memory T-cell expansion and susceptibility to autoimmune disease in CD300f-deficient mice
Homeostasis requires the immunologically silent clearance of apoptotic cells before they become pro-inflammatory necrotic cells. CD300f (CLM-1) is a phosphatidylserine receptor known to positively regulate eff...
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Article
Open AccessControlling Octahedral Rotations in a Perovskite via Strain Do**
The perovskite unit cell is the fundamental building block of many functional materials. The manipulation of this crystal structure is known to be of central importance to controlling many technologically prom...
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Article
Structure and Morphology of Epitaxially Intergrown (100)- and (116)-Oriented SrBi2Ta2O9 Ferroelectric Thin Films on SrLaGaO4(110) Substrates
SrBi2Ta2O9 (SBT) epitaxial thin films having a mix of (100) and (116) orientations have been grown on SrLaGaO4(110) by pulsed laser deposition. X-ray diffraction θ2 θ and pole figure scans, and cross-sectional tr...
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Article
Initial Growth Stages of Epitaxial BaTiO3 Films on Vicinal SrTiO3:Nb (001) Substrates
The growth mechanism of epitaxial BaTiO3 films on vicinal Nb-doped SrTiO3 (SrTiO3:Nb) (001) substrate surfaces was studied in terms of surface morphology, crystalline orientation, microstructure, and film/substra...
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Article
Separation of phosphorous by liquid–liquid extraction for the measurement of 32P
Phosphorous containing radioisotope waste was separated and determined by liquid–liquid extraction method through liquid scintillation counter (LSC). In this process, ammonium phosphate was converted to phosph...
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Article
Distribution of 14C and 3H in low level radioactive wastes generated by wet waste streams from pressurized water reactors
It is impossible to detect 14C and 3H by direct methods such as γ-spectroscopy because they are pure b-emitters and thus they are classified as hard to measure nuclides (HTM). In this paper the analysis results o...