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Showing 1 to 1 of 1 for “"low-pressure helium atmosphere"”.
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Quenching and annealing of lattice vacancies in pure lead
… pure by weight) wires were quenched.in a low temperature (s35 K), low-pressure (10-100 bars absolute) helium atmosphere. Initial quench rates were between 1 and 3X10 4 °C/sec. The formation energy for a lattice vacancy was determined to be 0.54+0.02 eV and the resistivity for one atomic …