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Chapter
Luminescence of Boron Nitrides
Recently, a considerable interest has been focused on 2-dimensional hexagonal boron nitrides due to their prominent optical, thermal, chemical and electronic properties. Especially, h-BN consists of 2-dimensio...
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Article
Changes in structure and luminescence properties according to the Tb3+ do** concentration of crystalline BaMoO4 synthesized at room temperature and application in LED color filters
Crystalline BaMoO4 and rare earth Tb3+-doped BaMoO4:Tb3+ phosphor powder were synthesized at room temperature by a co-precipitation method. The synthesized sample had a tetragonal structure and showed a strong XR...
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Article
Applied anti-counterfeiting with strontium molybdate up-conversion phosphor synthesized via co-precipitation at low sintering temperature
The precursor prepared by the co-precipitation method was sintered at 600°C to synthesize crystalline SrMoO4 powder. In this study, ytterbium and erbium rare-earth ions were doped to synthesize an up-conversion p...
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Article
Improved stability of CdSeS/ZnS quantum dots against temperature, humidity, and UV-O3 by encapsulation in crosslinked polystyrene beads
Cadmium-based quantum dot nanocrystals are promising optoelectronic materials due to their core/shell structure, excellent properties, and fascinating potential applications in LED, display, and photovoltaics....
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Article
Open AccessDevelopment of clinical application program for radiotherapy induced cancer risk calculation using Monte Carlo engine in volumetric-modulated arc therapy
The purpose of this study is to develop a clinical application program that automatically calculates the effect for secondary cancer risk (SCR) of individual patient. The program was designed based on accurate...
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Article
The structure and luminescence of boron nitride doped with Ce ions
Highly luminescent boron nitride (BN) was synthesized by pyrolysis of molecular adduct prepared by chemical mixing of boric acid and melamine with a small amount of cerium nitrate. After pyrolysis, Ce ions wer...
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Article
Quantitative evaluation of patient-specific quality assurance using online dosimetry system
In this study, we investigated the clinical performance of an online dosimetry system (Mobius FX system, MFX) by 1) dosimetric plan verification using gamma passing rates and dose volume metrics and 2) error-d...
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Article
Validation of GEANT4 simulations for percentage depth dose calculations in heterogeneous media by using small photon beams from the 6-MV Cyberknife: Comparison with photon beam dosimetry with EBT2 film
Percentage depth dose (PDD) distributions in heterogeneous phantoms with lung and soft bone equivalent media are studied by using the GEANT4 Monte Carlo code. For lung equivalent media, Balsa wood is used, and...
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Article
Evaluation of the modulation transfer function of megavoltage X-rays
The modulation transfer function (MTF) must be measured against the requirements of the specific digital imaging application under consideration in order to evaluate the performance of detector equipment and t...
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Article
Enhancement of Thermoelectric Figure of Merit for Bi0.5Sb1.5Te3 by Metal Nanoparticle Decoration
Introducing nanoinclusions in thermoelectric (TE) materials is expected to lower the lattice thermal conductivity by intensifying the phonon scattering effect, thus enhancing their TE figure of merit ZT. We repor...
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Article
Comparison of noise power spectrum methodologies in measurements by using megavoltage X-ray energies
The noise power spectrum (NPS) is one of the most general methods for measuring the noise amplitude and the quality of an image acquired from a uniform radiation field. The purpose of this study was to compare...
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Article
Solid-State Synthesis of Te-Doped Mg2Si
Te-doped Mg2Si (Mg2Si:Te m , m = 0, 0.01, 0.02, 0.03, 0.05) alloys were synthesized by a solid-state reaction and mechanical alloying. The electronic transport properties (Hall c...
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Article
Synthesis and thermoelectric properties of n-Type Mg2Si
Group BV(Bi, Sb)- and BVI(Te, Se)-doped Mg2Si compounds were synthesized by solid state reaction and mechanical alloying. Electronic transport properties (Hall coefficient, carrier concentration and mobility) and...
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Article
Synthesis and Thermoelectric Properties of In z Co4−x Fe x Sb12 Skutterudites
The thermoelectric properties of In-filled and Fe-doped CoSb3 (In z Co4−x - Fe x Sb12) skutterudites prepared by encapsu...
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Article
Transport properties on Sn-filled and Te-doped CoSb3 skutterudites
Sn-filled and Te-doped CoSb3 skutterudites (SnxCo8Sb23.25Te0.75) were synthesized by the encapsulated induction melting process. Single δ-phase was successfully obtained by subsequent heat treatment at 823 K for ...
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Article
Thermoelectric properties of InzCo4Sb12 skutterudites
In this study, indium-filled CoSb3 skutterudite is synthesized via encapsulated induction melting and subsequent annealing at 823 K for six days, and the crystal structure, lattice constant, filler position, phas...
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Article
Production of bacterial cellulose by Gluconacetobacter hansenii using a novel bioreactor equipped with a spin filter
In order to improve bacterial cellulose (BC) production yield by increasing the cell density, a new fermentation system using a spin filter was developed and its performance characteristics were tested. Fermen...
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Article
Conversion ofG. hansenii PJK into non-cellulose-producing mutants according to the culture condition
The conversion of a cellulose-producing cell (Cel +) fromGluconacetobacter hansenii PJK (KCTC 10505 BP) to a non-cellulose-producing cell (Cel −) was investigated b...
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Article
Cellulose production by Gluconacetobacter hansenii in a medium containing ethanol
The addition of 1% (v/v) ethanol to the basal medium inhibited growth of Gluconacetobacter hansenii but decreased the numbers of non-cellulose producing cells. Cellulose production increased 1.7 times to approx. ...
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Article
Kinetic Inactivation Study of Mushroom Tyrosinase: Intermediate Detection by Denaturants
The unfolding and inhibition study of mushroom tyrosinase have been studied in the presence of different denaturants such as sodium dodecyl sulfate (SDS), guanidine hydrochloride (GdnHCl), and urea. The kineti...
