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electron irradiation induced defects

Substructures of Gas Ion Irradiation Induced Surface Blisters in Silicon Studied by Cross Sectional Transmission Electron Microscopy

Substructures of Gas Ion Irradiation Induced Surface Blisters in Silicon Studied by Cross Sectional Transmission Electron Microscopy

... of defects are dispersed over the region from the surface to the end-of- ...extended defects is observed in Fig. 5; these defects are seen as thin lines, extending roughly along the (001) planes and ...

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Electron Irradiation Induced Phase Transformation in Fe Nd B Alloys

Electron Irradiation Induced Phase Transformation in Fe Nd B Alloys

... by electron knock-on effect under high energy electron irradiation, the crystalline lattice structure would be destroyed by the accumulation of lattice defects in some metallic crystalline ...

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Neon ion simulation of neutron induced irradiation growth in zirconium alloys.

Neon ion simulation of neutron induced irradiation growth in zirconium alloys.

... The electron micrographs pre­ sented in this thesis show an extremely high dislocation density and thus, the Holt-Ibrahim model may be applicable to model the data at ...point defects by alloying additions ...

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Clusters of Radiation Defects in Silicon Crystals

Clusters of Radiation Defects in Silicon Crystals

... radiation defects studies in silicon crystals are briefly reviewed and comprehensively analyzed depending on irradiation energy and dose, paying special attention to electron irradiation in ...

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Thermal Crystallization and Electron Irradiation Induced Phase Transformation Behavior in Zr66 7Cu33 3 Metallic Glass

Thermal Crystallization and Electron Irradiation Induced Phase Transformation Behavior in Zr66 7Cu33 3 Metallic Glass

... lattice defects created by the electron knock-on ...under electron irradiation if the creation of the defects is more frequent than recovery of atoms to the original positions of atomic ...

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Thermal annealing of nuclear graphite during in-situ electron irradiation

Thermal annealing of nuclear graphite during in-situ electron irradiation

... of defects in this temperature range would allow the structure to recover within the bulk crystallites; in addition to surface migration, the mobility of both single interstitials and vacancies through the lattice ...

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Electron Irradiation Induced Phase Transformation of Amorphous, Supercooled Liquid and Crystalline Phases in Zr66 7Cu33 3 Metallic Glass

Electron Irradiation Induced Phase Transformation of Amorphous, Supercooled Liquid and Crystalline Phases in Zr66 7Cu33 3 Metallic Glass

... the electron knock-on effect, the atomic movement of almost all constituent elements in the irradiated area frequently occurs regardless of the structure, resulting in the mixing of constituent ...Lattice ...

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Positron Annihilation Spectroscopy to Characterize Irradiation Induced Vacancy Type Defects in Materials for Nuclear Fission and Fusion

Positron Annihilation Spectroscopy to Characterize Irradiation Induced Vacancy Type Defects in Materials for Nuclear Fission and Fusion

... the electron, both particles can annihilate leading to the emission of gamma rays with energy depending on the momentum of the electron positron annihilated ...the defects because positron can be ...

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Electron Irradiation Induced Phase Transformation in Nd2Fe14B Alloy

Electron Irradiation Induced Phase Transformation in Nd2Fe14B Alloy

... the electron irradiated specimen was approximately 10 nm. Under electron irradi- ation, lattice defects are introduced in nanocrystalline grains by electron knock-on ...lattice defects ...

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Electron Irradiation Induced Crystal to Amorphous to Crystal Transition in Some Metallic Glasses

Electron Irradiation Induced Crystal to Amorphous to Crystal Transition in Some Metallic Glasses

... 7(c). Electron irradiation induced C- A-C transition occurs with the combination of the C-A transition pass of (A) and crystallization pass of (B) in the overlapping zone as shown in ...

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Effect of He Injection on Irradiation Damage in Heat Affected Zone of Welded SUS304 Steel

Effect of He Injection on Irradiation Damage in Heat Affected Zone of Welded SUS304 Steel

... 3.3 Irradiation-induced grain boundary segregation Figures 5(a)–(c) show the compositional concentration profile of Cr and Ni near a grain boundary after (a) electron single irradiation, (b) ...

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Effect of Additional Minor Elements on Accumulation Behavior of Point Defects under Electron Irradiation in Austenitic Stainless Steels

Effect of Additional Minor Elements on Accumulation Behavior of Point Defects under Electron Irradiation in Austenitic Stainless Steels

... excess irradiation-induced vacancies would be less likely to flow toward the GB due to the reduction of vacancy mobility by the addition of minor elements so that vacancy flux to the GBs would ...

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Investigation of electron irradiation induced-changes in poly(vinylidene fluoride) films

Investigation of electron irradiation induced-changes in poly(vinylidene fluoride) films

... the irradiation dose up to 200 kGy beyond which it tends to show a very small shift towards lower values depending on the irradiation ...the irradiation dose as depicted in ...low irradiation ...

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Electron irradiation of nuclear graphite studied by transmission electron microscopy and electron energy loss spectroscopy

Electron irradiation of nuclear graphite studied by transmission electron microscopy and electron energy loss spectroscopy

... TEM investigations were performed on an FEI CM200 field emission TEM operated at 197 kV with a tip extraction bias of 3.21 kV routinely providing an electron flux of approximately 4.24 x 10 18 electrons cm -2 s -1 ...

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EFFECT OF ELECTRON BEAM IRRADIATION ON FISHERIES WATER

EFFECT OF ELECTRON BEAM IRRADIATION ON FISHERIES WATER

... Water samples for these studies were prepared in three batches. The first batch of samples was sent to irradiation without any modification. The sample in the second batch was diluted with distilled water to the ...

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Phase Stability of an Amorphous Phase Against Electron Irradiation Induced Crystallization in Fe Based Metallic Glasses

Phase Stability of an Amorphous Phase Against Electron Irradiation Induced Crystallization in Fe Based Metallic Glasses

... in electron irradiation induced crystallization of an amorphous ...The irradiation temperature gives a great effect on the onset total ...the irradiation temperature is, the higher the ...

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Nano Crystallization and Stability of an Amorphous Phase in Fe Nd B Alloy under 2 0 MeV Electron Irradiation

Nano Crystallization and Stability of an Amorphous Phase in Fe Nd B Alloy under 2 0 MeV Electron Irradiation

... during electron irradiation was observed by bright field (BF) images and selected area diffraction (SAD) patterns in in-situ UHVEM observation at ...during electron irradiation, the ...

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Measurement and Evaluation of Local Surface Temperature Induced by Irradiation of Nanoscaled or Microscaled Electron Beams

Measurement and Evaluation of Local Surface Temperature Induced by Irradiation of Nanoscaled or Microscaled Electron Beams

... temperature induced by an e-beam? Technic- ally, it is hard to directly measure the local temperature induced by a focused e-beam in a TEM or a ...e-beam irradiation was measured with submicron thin ...

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Tensile Properties of Optical Fiber Irradiated by Low Voltage Electron Beam Homogeneously

Tensile Properties of Optical Fiber Irradiated by Low Voltage Electron Beam Homogeneously

... the electron beam through a titanium thin film window attached to a vacuum chamber, 240 mm in ...the electron beam at a low energy (acceleration potential, V: MeV), of ...Although electron beam ...

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Role of irradiation and irradiation defects on the oxidation first stages of a 316L austenitic stainless steel

Role of irradiation and irradiation defects on the oxidation first stages of a 316L austenitic stainless steel

... Radiation Induced Segregation (RIS) around both the cavities and the loops was investigated in ...both defects the segregation is not homogeneous and the maximum amount of segregation is around ΔCr ≈ − 3–6 ...

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