Search Results - "CHEANG, P"
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1
Multiplication width dependent avalanche characteristics in GaN/4H-SiC heterojunction avalanche photodiodes
Published in Optical and quantum electronics (01-10-2021)“…A Monte Carlo model using random ionization path lengths describing the carriers quantum transport in thin gallium nitride/silicon carbide (GaN/4H-SiC)…”
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2
Simulation of avalanche time in thin GaN/4H–SiC heterojunction avalanche photodiodes
Published in Journal of computational electronics (01-04-2024)“…A random ionization-time model is introduced to compute the avalanche time of double carrier multiplication in heterojunction avalanche photodiodes (APDs). The…”
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3
Temperature Driven Morphological Changes of Chemically Precipitated Hydroxyapatite Nanoparticles
Published in Langmuir (22-06-2004)“…Hydroxyapatite (HA) is synthesized by a wet chemical route using calcium hydroxide and ortho-phosphoric acid at various temperatures (40, 80, and 100 °C)…”
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4
Bone-like apatite layer formation on hydroxyapatite prepared by spark plasma sintering (SPS)
Published in Biomaterials (01-08-2004)“…Hydroxyapatite (HA) compacts with high density and superior mechanical properties were fabricated by spark plasma sintering (SPS) using spray-dried HA powders…”
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5
Scaffold development using selective laser sintering of polyetheretherketone–hydroxyapatite biocomposite blends
Published in Biomaterials (01-08-2003)“…In tissue engineering (TE), temporary three-dimensional scaffolds are essential to guide cell proliferation and to maintain native phenotypes in regenerating…”
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6
In vitro studies of plasma-sprayed hydroxyapatite/Ti-6Al-4V composite coatings in simulated body fluid (SBF)
Published in Biomaterials (01-04-2003)“…The bioactivity of plasma-sprayed hydroxyapatite (HA)/Ti-6Al-4V composite coatings was studied by soaking the coatings in simulated body fluid (SBF) for up to…”
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7
Activity of plasma sprayed yttria stabilized zirconia reinforced hydroxyapatite/Ti–6Al–4V composite coatings in simulated body fluid
Published in Biomaterials (01-07-2004)“…Hydroxyapatite (HA)/yttria stabilized zirconia/Ti–6Al–4V bio-composite coatings deposited onto Ti–6Al–4V substrate through a plasma spray technique were…”
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8
Microstructure and mechanical properties of plasma sprayed HA/YSZ/Ti–6Al–4V composite coatings
Published in Biomaterials (01-08-2004)“…Plasma sprayed hydroxyapatite (HA) coatings on titanium alloy substrate have been used extensively due to their excellent biocompatibility and…”
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9
Microstructure and mechanical properties of spark plasma sintered zirconia-hydroxyapatite nano-composite powders
Published in Acta materialia (01-05-2005)“…ZrO 2-hydroxyapatite composites spark plasma sintered (SPS) at 1075 ± 25°C involve inter and intra particle porosities. The porosity level in the compacts…”
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10
Titanium dioxide reinforced hydroxyapatite coatings deposited by high velocity oxy-fuel (HVOF) spray
Published in Biomaterials (2002)“…Hydroxyapatite (HA) coatings with titania addition were produced by the high velocity oxy-fuel (HVOF) spray process. Mechanical properties of the as-sprayed…”
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11
Chitosan-mediated crystallization and assembly of hydroxyapatite nanoparticles into hybrid nanostructured films
Published in Journal of the Royal Society interface (06-04-2008)“…The synthesis and subsequent assembly of nearly spherical nano-hydroxyapatite (nHA) particles in the presence of trace amounts of the polysaccharide chitosan…”
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12
Adhesive and bending failure of thermal sprayed hydroxyapatite coatings: Effect of nanostructures at interface and crack propagation phenomenon during bending
Published in Engineering fracture mechanics (01-08-2007)“…Hydroxyapatite (HA) coatings have shown promising effects on rapid bone remodeling and suitable functional life in orthopedic and dental applications. However,…”
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Journal Article Conference Proceeding -
13
HVOF spraying of nanostructured hydroxyapatite for biomedical applications
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15-04-2005)“…A nanostructured hydroxyapatite (HA) feedstock was thermally sprayed on Ti–6Al–4V substrates via high velocity oxy-fuel (HVOF process). The particle…”
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14
Tensile properties, tension–tension fatigue and biological response of polyetheretherketone–hydroxyapatite composites for load-bearing orthopedic implants
Published in Biomaterials (01-06-2003)“…Polyetheretherketone–hydroxyapatite composites were developed as alternative materials for load-bearing orthopedic applications. The amount of hydroxyapatite…”
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15
Mechanical properties of injection molded hydroxyapatite-polyetheretherketone biocomposites
Published in Composites science and technology (01-02-2003)“…Bioactive composites comprising synthetic hydroxyapatite (HA) particulate and semi-crystalline polyetheretherketone (PEEK) polymer were produced for biomedical…”
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Journal Article Conference Proceeding -
16
Effect of spark plasma sintering on the microstructure and in vitro behavior of plasma sprayed HA coatings
Published in Biomaterials (01-07-2003)“…The crystalline phases and degree of crystallinity in plasma sprayed calcium phosphate coatings on Ti substrates are crucial factors that influence the…”
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17
Significance of melt-fraction in HVOF sprayed hydroxyapatite particles, splats and coatings
Published in Biomaterials (01-03-2004)“…Microstructure characterization and property evaluation of high velocity oxy-fuel (HVOF) sprayed hydroxyapatite (HA) splats and coatings were conducted in the…”
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18
Modelling of temperature dependence on PEO electrolyte with Al2O3
Published in Computational materials science (01-08-2015)“…[Display omitted] •A Monte Carlo model for ionic transport in polymer electrolyte.•The temperature dependence of ionic conductivity of PEO-based…”
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19
Plasma spraying of functionally graded hydroxyapatite/Ti–6Al–4V coatings
Published in Surface & coatings technology (22-05-2003)“…Functionally graded hydroxyapatite (HA)/Ti–6Al–4V coatings were produced by plasma spray process using specially developed HA-coated Ti–6Al–4V composite…”
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20
Impact formation and microstructure characterization of thermal sprayed hydroxyapatite/titania composite coatings
Published in Biomaterials (01-03-2003)“…Formation mechanism of hydroxyapatite (HA)/titania (TiO 2) composite coating deposited by high velocity oxy-fuel (HVOF) thermal spray process was studied, and…”
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