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Optical Studies of Electric-Field-Induced Electron and Hole Transient Transports and Optical Phonon Instability in Semiconductor Nanostructures
In this chapter the use of picosecond/subpicosecond time-resolved/transient Raman spectroscopy to study electric-field-induced transient...
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Foreword
Man sollte sich mit Halbleitern nicht beschäftigen, das sind Dreckeffekte – wer weiss, ob sie wirklich existieren. Wolfgang Pauli, 1931
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Quantum Monte Carlo Techniques and Defects in Semiconductors
The continuum variational and diffusion quantum Monte Carlo (VMC and DMC) techniques are stochastic methods for obtaining expectation values of...
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Van Hove annihilation and nematic instability on a kagome lattice
A nematic phase breaks the point-group symmetry of the crystal lattice and is known to emerge in correlated materials. Here we report the observation...
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Improving energy storage performance of PbZrO3-Al2O3 composite thin films by regulating distribution of Al2O3 nanoparticles
A key factor affecting the energy storage performance of antiferroelectric materials is their electrical breakdown strength. Nanocomposition is one...
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The annealing effect on the performance of flash-sintered ZnO–Bi2O3–Sb2O3-based varistors
Annealing at a specific temperature enhances the performance of ZnO–Bi 2 O 3 –Sb 2 O 3 -based varistors prepared by the flash sintering method. The effect of...
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Molybdenum trioxide for supercapacitor application: defining the role of temperature and electrolyte
The need to optimize basic synthesis parameters to get energy storage electrode with controlled structure and morphology cannot be overemphasized in...
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Understanding the explosion risk presented by ammonium nitrate and aluminium home-made explosives detonated as surface charges in hexahedral main charge containers
Ammonium nitrate and aluminium (AN–Al) has been used as a typical homemade explosive (HME) by non-state actors since the turn of the century. Despite...
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A promising approach for highly sensitive LPG detection via synergistic effects of Fe nanoparticle modified graphene
The demand for reliable and efficient gas sensors is increasing due to the growing emphasis on safety in both residential and workplace environments....
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Optical and mechanical stability of Tutton’s salt crystal of Cu2+ doped ammonium cobalt(II) sulfate hexahydrate
Cu 2+ doped ammonium cobalt(II) sulfate hexahydrate (ACSH) crystals were investigated for LED applications. Cu 2+ doped ACSH crystals obtained via slow...
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Effect of Zn2+ substitution on DC electrical resistivity and magnetic properties of Mg0.5−xZnxCo0.5Fe2O4 nano ferrite
Mg 0.5− x Zn x Co 0.5 Fe 2 O 4 with ferrites were substituted with Zn 2+ with concentrations x = 0.0, 0.05, 0.1, 0.15, 0.2, and 0.25 prepared from a sol–gel...
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Near infrared emission in Nd3+ and Nd3+/Yb3+co-doped LiY(WO4)2 phosphor
In this paper, a series of Nd 3+ and Nd 3+ /Yb 3+ co-doped LiY(WO 4 ) 2 phosphor materials synthesized by conventional solid-state reaction(SSR) technique...
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Effects of Ba do** on the structural, magnetic and microwave absorption properties for LaMnO3 perovskites
Manganese-based rare-earth perovskite oxides are gaining attention as microwave absorbers due to their exceptional dielectric and magnetic...
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Cobalt and nickel do** influence on physical and electrochemical characteristics of spray-deposited SnO2 thin film supercapacitor electrodes
The present study aims to enhance the electrochemical performance of SnO 2 thin film as a supercapacitor electrode by do** different amounts of Co...
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Correlation Between Elastic Properties and Phase Transformation of Zr50Pd50−xRux High-Temperature Shape Memory Alloys Designed by DFT
The effect of Ru addition on the martensitic transformation and mechanical properties of Zr 50 Pd 50− x Ru x SMAs shape memory alloys has been studied....
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Strain Hardening in Dilute Binary Al–Cu, Al–Zn, and Al–Mn Alloys: Experiment and Modeling
During thermo-mechanical processing, dissolved alloying elements have a huge impact on the microstructure evolution by influencing the overall...
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Synthesis and characterization of β-spodumene by a new sol–gel route assisted by whey protein
Spodumene (LiAlSi 2 O 6 ) has gained attention due to its versatile applications, which include ionizing radiation dosimetry, observed in either...
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Design and Analysis of SAW Gas Sensor Utilizing AIN/Diamond/Si Multilayered Structure for VOCs Detection
This study provides insights into the design and analysis of surface acoustic wave sensors customized for detecting volatile organic compounds...
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Influence of Polar-PVDF Interfaces Upon Organic Ferroelectric Dye-Sensitized Solar Cell Characteristics
Recombination of charge carriers is the major issue for the sustainable operation of dye-sensitized solar cells (DSSC). Generally, an external...
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Thermal Enhancement of Upconversion Luminescence in Negative-Thermal-Expansion Ho3+-Doped Yb2−xW3O12 Phosphors
The fluorescence intensity of lanthanide (Ln 3+ )-doped upconversion (UC) materials generally exhibits significant thermal quenching with increasing...
