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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
McKubre, M.
- Review of Materials Science for Studying the Fleischmann and Pons Effect
Authors
1 ENEA Research Center, via E. Fermi 45, 00044 Frascati (Rome), IT
2 Consorzio Veneto Ricerca-TSEM, Padova, IT
3 Texas Tech University, Lubbok, TX, US
4 University of Missouri, Columbia, MO, US
5 Coolescence LLC, Boulder, CO, US
6 SRI International, Menlo Park, CA, US
Source
Current Science, Vol 108, No 4 (2015), Pagination: 540-558Abstract
Fleischmann and Pons effect (FPE) is the production of excess power during electrochemical loading of deuterium in palladium. This effect has the following features: (1) It is a threshold effect (loading D/Pd > 0.9). (2) It is unobserved when electrochemical loading is performed with hydrogen from light water. (3) It is unexplainable as a chemical effect. (4) It occurs only if the involved materials have specific characteristics.
The present article will review aspects concerning the occurrence of FPE related to materials science, a field considered to be a key to define the effect and a research approach has been conceived to find correlations with the material status. Metallurgy, crystallographic orientation and surface morphology all together are the necessary conditions to observe the phenomenon. In general, these features affect the deuterium adsorption/absorption in palladium cathodes. On the other hand, crystal orientation seems not to be crucial for PdRh alloy. A preliminary study, based on galvanostatic electrochemical impedance spectroscopy, has been carried out to investigate the status of the electrochemical interface during the effect. Results point in the direction of a significant change in the equivalent circuit at the electrode interface, as the electrode is active.
Keywords
Cold Fusion, Deuterium, Electrochemical Loading, Materials Science, Palladium.Full Text
- Use of CR-39 Detectors to Determine the Branching Ratio in Pd/D Co-Deposition
Authors
1 9112 Fermi Ave. San Diego, CA, US
2 JWK Corp., 5101B Backlick Road, Annandale, VA 22003, US
3 P.N. Lebedev Physics Institute of Russian Academy of Sciences, Moscow 119991, RU
4 A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow 119991, RU
5 SRI International, Menlo Park, CA 94025, US
6 National Space Science Center, Chinese Academy of Sciences, Beijing 10019, US
Source
Current Science, Vol 108, No 4 (2015), Pagination: 585-588Abstract
Columbia Resin-39 (CR-39) detectors used in Pd/D co-deposition experiments were examined using an optical microscope, scanned using an automated scanner, and underwent both sequential etching analysis as well as LET spectrum analysis. These analyses identified and quantified the energetic particles responsible for the tracks observed in the CR-39 detectors and made it possible to estimate the branching ratios of the primary and secondary reactions.Keywords
Branching Ratio, Protons, Fission, Long-Range Alphas, Neutrons.Full Text
- Condensed Matter Nuclear Reaction Products Observed in Pd/D Co-Deposition Experiments
Authors
1 9112 Fermi Ave., San Diego, CA, US
2 JWK Corp., 5101B Backlick Road, Annandale, VA 22003, US
3 SPAWAR Systems Center Pacific, San Diego CA, US
4 12015 Ladrido Lane, Austin, TX 78727, US
5 Cloudcroft, NM 88317, US
6 University of La Verne, La Verne, CA 91750, US
7 JET Energy, Inc., Wellesley, MA 02481, US
8 Portland State University, Portland, OR 97207, US
9 SRI International, Menlo Park, CA 94025, US
10 Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA, US
Source
Current Science, Vol 108, No 4 (2015), Pagination: 656-659Abstract
Pd/D co-deposition has been used by a number of researchers to explore the condensed matter nuclear reactions occurring within the palladium lattice by generating highly loaded layers of lattice over the cathode. Reaction products that have been observed include heat, transmutation, tritium, energetic charged particles and neutrons. The results of these experiments are discussed here.Keywords
Energetic Particles, Excess Heat, Pd/D Codeposition, Transmutation.Full Text