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Shin, Hee Sung; Shin, Yong Jun; Ro, Seung-Gy
Implementation of burnup credit in spent fuel management systems. Proceedings of an advisory group meeting
Implementation of burnup credit in spent fuel management systems. Proceedings of an advisory group meeting
AbstractAbstract
[en] Burnup credit implementation for the storage capacity expansion in the spent fuel pools of Kori units 3 and 4, Yonggwang units 1 and 2 and Ulchin units 1 and 2, which are operated by Korea Electric Power Cooperation (KEPCO), is described. The burnup credit application for the Korean spent fuel management programme in the Nuclear Environment TEChnology Institute (NETEC) is also introduced. Finally, the determination of correction factors for predicting conservative isotopic compositions of PWR spent fuel performed in the Korea Atomic Energy Research Institute (KAERI) is presented. (author)
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International Atomic Energy Agency, Vienna (Austria); 146 p; ISSN 1011-4289;
; Apr 1998; p. 63-68; Advisory group meeting on implementation of burnup credit in spent fuel management systems; Vienna (Austria); 20-24 Oct 1997; 7 refs, 3 tabs.

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Hoogerland, M.D.; Baldwin, K.G.H.; Lu, W.; Milic, D.; Colla, M.; Buckman, S.J.
10th Australian conference on nuclear techniques of analysis. Proceedings
10th Australian conference on nuclear techniques of analysis. Proceedings
AbstractAbstract
[en] A series of lithography experiments were carried out using conventional masking techniques. A self-assembling monolayer (SAM) of dodecanethiol molecules is deposited onto a silicon surface coated with 5 nm of titanium and 30 nm of gold. The exposure of (SAM)s with metastable helium atoms and the subsequent etching has shown to be a dependable process to transfer existing patterns to a layer of gold on silicon substrates. Current extensions of the technique include the manipulation of the atoms with standing light waves just before they hit the surface
Source
Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia). Funding organisation: Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia); Vacuum Society of Australia (Australia); Australian National Univ., Canberra, ACT (Australia); 244 p; 1998; p. 72-74; 10. Australian conference on nuclear techniques of analysis; Canberra, ACT (Australia); 24-26 Nov 1997; 4 refs., 3 figs.
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AbstractAbstract
[en] The measurements of the optical nonlinearities of Ge and Si implanted glasses is reported. Analytic techniques employed included Rutherford backscattering, using 2.0 MeV He ions, optical absorption and transmission electron microscopy. The results indicate that the presence of implanted species changed the absorption spectra and that the magnitude of the optical nonlinearities for Ge and Si implanted samples are quite different. A possible explanation is the difference in absorption coefficient that may be amplified by quantum confinement effects which causes the indirect energy gaps of Ge and Si nanocrystals to increase as particle size decreases
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Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia). Funding organisation: Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia); Vacuum Society of Australia (Australia); Australian National Univ., Canberra, ACT (Australia); 244 p; 1998; p. 81-83; 10. Australian conference on nuclear techniques of analysis; Canberra, ACT (Australia); 24-26 Nov 1997; 9 refs., 4 figs.
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Cholewa, M.; Saint, A.; Prawer, S.; Legge, G.L.F.
10th Australian conference on nuclear techniques of analysis. Proceedings
10th Australian conference on nuclear techniques of analysis. Proceedings
AbstractAbstract
[en] Full text: Detection systems with a very high efficiency (close to 100%) has been developed since the 1970's in many laboratories. For the most recent applications of single ion hit systems (micromachining, bio-medical studies, etc...) it is becoming very important to design and construct a single ion detection system with exactly 100% efficiency. In some recent applications of highly focussed ion microbeams it is necessary to deliver ions outside the vacuum system and still maintain a very high beam resolution. It is necessary to use a very thin (about 1 micron thick) vacuum window is strong enough to withstand atmospheric pressure. In some of these applications it is also desirable that the window material (e.g. thin diamond film, etc...) itself can generate a strong enough signal (e.g. secondary electrons, photons, etc...) after interaction with a single ion so that the single ion passage can be detected with a 100% efficiency. Intensive studies had been performed in this area at MARC. In this paper we will present data obtained with the use of a thin diamond film that could be used as a vacuum window and very efficient detector for single MeV ions
Source
Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia). Funding organisation: Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia); Vacuum Society of Australia (Australia); Australian National Univ., Canberra, ACT (Australia); 244 p; 1998; p. 93; 10. Australian conference on nuclear techniques of analysis; Canberra, ACT (Australia); 24-26 Nov 1997
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Anderson, D.; Cooper, A.; Fifield, K.; Foote, G.; Harding, A.; Lobanov, N.; Muirhead, A.; Wallace, H.; Weisser, D.
10th Australian conference on nuclear techniques of analysis. Proceedings
10th Australian conference on nuclear techniques of analysis. Proceedings
AbstractAbstract
[en] The main features of the new equipment in the 16 MV terminal of the Australian National University 14UD accelerator are described. With the new gas stripper in place, the gas emerging from the canal is now pumped by a pair of turbo-molecular pumps which then recirculate the gas back in to the centre of the canal. The pumping is consistent and is not limited by titanium sublimer lifetime. Additional ion pumps and pumping impedances, isolate the region of gas pumped by the turbos from the accelerating tubes. The average pressure in the tubes is more than a factor of 10 lower than with the old system, thus reducing the background in AMS experiments. Several computer controlled power supplies tare used for the turbo pumps, ion pumps, vacuum gauging and the electrostatic quadrupole triplet lens. The use of sophisticated electronics in the terminal has required the development of devices to protect the equipment from lightning like 16 MV sparks. The third crucial feature is the invention of a protection scheme for the fibre optic pair which communicate between the ground based computer control system and the device interfaces in the terminal. This protection eliminates both mechanical damage and spark damage to the fibres. The spark protection scheme has achieved zero fault operation ia a spark plagued period
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Source
Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia). Funding organisation: Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia); Vacuum Society of Australia (Australia); Australian National Univ., Canberra, ACT (Australia); 244 p; 1998; p. 100-103; 10. Australian conference on nuclear techniques of analysis; Canberra, ACT (Australia); 24-26 Nov 1997; 1 fig.
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Cheylan, S.; Elliman, R.G.; Manson, N.B.
10th Australian conference on nuclear techniques of analysis. Proceedings
10th Australian conference on nuclear techniques of analysis. Proceedings
AbstractAbstract
[en] The photoluminescence (PL) and optical absorption at room temperature of Si+ implanted into SiO2 substrates has been studied. The as-implanted samples exhibit a strong PL around 2 eV, due to the existence of radiation damage in SiO2. After annealing to 1000 deg C/1h, the emission peak shifts to 1.7 eV and has long been believed to result from the quantum confinement of carriers in Si nanocrystals. Alternative theories have recently been proposed, based on the tunneling of excitons from the nanocrystals into the surrounding SiO2, with recombination taking place at luminescent centers within the SiO2. This study examines the effect of nanocrystal size on PL and optical absorption with the aim of understanding the luminescence mechanism. (authors)
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Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia). Funding organisation: Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia); Vacuum Society of Australia (Australia); Australian National Univ., Canberra, ACT (Australia); 244 p; 1998; p. 120-122; 10. Australian conference on nuclear techniques of analysis; Canberra, ACT (Australia); 24-26 Nov 1997; Extended abstract. 8 refs., 2 figs.
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Elliman, R.G.; Palmer, G.R.; Ophel, T.R.; Timmers, H.
Funding organisation: Australian Research Council, Canberra, ACT (Australia)
10th Australian conference on nuclear techniques of analysis. Proceedings
Funding organisation: Australian Research Council, Canberra, ACT (Australia)
10th Australian conference on nuclear techniques of analysis. Proceedings
AbstractAbstract
[en] The depth resolution of heavy-ion elastic recoil detection analysis was examined for Al and Co thin films ranging in thickness from 100 to 400 nm. Measurements were performed with 154 MeV Au ions as the incident beam, and recoils were detected using a gas ionisation detector. Energy spectra were extracted for the Al and Co recoils and the depth resolution determined as a function of film thickness from the width of the high- and low- energy edges. These results were compared with theoretical estimates calculated using the computer program DEPTH. (authors)
Source
Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia). Funding organisation: Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia); Vacuum Society of Australia (Australia); Australian National Univ., Canberra, ACT (Australia); 244 p; 1998; p. 136-139; 10. Australian conference on nuclear techniques of analysis; Canberra, ACT (Australia); 24-26 Nov 1997; Extended abstract. 13 refs., 1 fig.
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Conference; Numerical Data
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ALUMINIUM, COBALT, D CODES, ELASTIC SCATTERING, ENERGY LOSSES, ENERGY SPECTRA, EXPERIMENTAL DATA, GOLD 197 BEAMS, HEAVY IONS, ION DOSIMETRY, ION SCATTERING ANALYSIS, MEV RANGE 100-1000, MULTIPLE SCATTERING, POSITION SENSITIVE DETECTORS, RECOILS, SENSITIVITY, SPATIAL RESOLUTION, SURFACE PROPERTIES, THIN FILMS
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Shamsili, S.; Sood, D.K.; Evans, P.J.
10th Australian conference on nuclear techniques of analysis. Proceedings
10th Australian conference on nuclear techniques of analysis. Proceedings
AbstractAbstract
[en] The high chromium alloy steels, if used as interconnects in solid oxide fuel cells, have to meet stringent specifications. Low corrosion resistance of these alloys combined with high volatility of Cr (6+) species from Cr2O3 formed at the surface of the alloy could cause serious problems. With a view to reduce these problems, the role of reactive elements such as La, Y and Zr on the high temperature corrosion of stainless steel has been investigated. The experimental results show that the oxidation behaviour of TP446 stainless steel improves with implantation of reactive elements. Implantation with La and Y reduces oxidation rate, more effectively at 800 deg C than at 900 deg C. It was found that Zr implantation has a little effect on the corrosion rate at 800 deg C and that the specimens heat treated at 900 deg C undergo rapid oxidation
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Source
Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia). Funding organisation: Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia); Vacuum Society of Australia (Australia); Australian National Univ., Canberra, ACT (Australia); 244 p; 1998; p. 189-191; 10. Australian conference on nuclear techniques of analysis; Canberra, ACT (Australia); 24-26 Nov 1997; Extended abstract. 2 refs., 4 figs.
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Liu, A.C.Y.; McCallum, J.C.
10th Australian conference on nuclear techniques of analysis. Proceedings
10th Australian conference on nuclear techniques of analysis. Proceedings
AbstractAbstract
[en] The process of solid phase epitaxy (SPE) in semiconductor materials is one which has been intensively researched due to possible applications in the semiconductor industry. SPE is a solid phase transformation, in which an amorphous layer can be recrystallized either through heating or a combination of heating and ion bombardment. The transformation is believed to occur exclusively at the interface between the amorphous and crystalline layers, with individual atoms from the amorphous phase being incorporated into the crystalline phase by some point defect mechanism. The process has been observed to follow an Arrhenius temperature dependence. A wafer silicon was subjected to a multi-energy silicon implant through a fine nickel grid to amorphise region to a depth of 5μm creating an array of amorphous wells. Metal impurity atoms were then implanted in this region at energy of 500 keV. Samples were examined using an optical microscope and the Alphastep profiler at RMIT. It was confirmed that burgeoning wells were about 2 μm wide and rose about 0.01 μm above the silicon substrate
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Source
Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia). Funding organisation: Australian Institute of Nuclear Science and Engineering, Lucas Heights, NSW (Australia); Vacuum Society of Australia (Australia); Australian National Univ., Canberra, ACT (Australia); 244 p; 1998; p. 219-221; 10. Australian conference on nuclear techniques of analysis; Canberra, ACT (Australia); 24-26 Nov 1997; Extended abstract. 4 refs., 3 figs.
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Tsukahara, Yoshimitu; Neyatani, Yuzuru; Sunaoshi, Hidenori; Shitomi, Morimasa; Nagashima, Akira
Japan Atomic Energy Research Inst., Tokyo (Japan)
Japan Atomic Energy Research Inst., Tokyo (Japan)
AbstractAbstract
[en] Test of the viton O-ring deformation has been performed for a new type of large sized vacuum window having a diameter of more than 80 mm. To prevent a vacuum leak mainly caused by the crack of optical window, a new standard for the viton O-ring has been proposed. The size of the O-ring was determined by the requirement to keep the finite gap between the optical window and the supported metal flange at any time. The validity of this new standard was confirmed by the deformation test for the O-ring under the condition of vacuum pumping and the baking. (author)
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Jan 1998; 25 p
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