Nonlinear Lattice Vibration Appearing at Low Temperatures in Silver Ultrafine Particles with Static Distortion

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概要

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• An anozaaalotrs peak has lceera reported at 1.8K ita tlue lueat capacity/teztaperattture cttrve ofsilver trltrafine particles (Ag UFP) of 20.7 11111 in size. Tlae effective strairt r7 of Ag UFP xvasestimated to be 4.8 X 10 '. This ar?oraaaly, laoxvever, cannot be explaitaed witluira the laarunonicapproxitaaation of lattice xzibration. The sirae-Gordora uaoralinear partial difl'erential eqtration xvasetnployed to explaina tlae rauotion of t]?e atotaas iua Ag UFP. A breatlaer soltrtion xvas choseta toexpress tlae lattice xxibratiotu of tlae Ag UFP. A value of excitit?g eraerg5' of tlae notalinearr latticevibration xvas estinauated fronaa tlae data obtaiuaed ira tlae experiuaaent. A siragle nor'alinear xziloratoris considered to cotasist of Ag atonaas in several {111} platues, and xzibrate trnder uaatrtual itafltmezace,Transition fro?aa nonlinear lattice viloration to linear one NV21S also disctrssed.

• 社団法人日本物理学会の論文
• 1999-12-15

著者

• Oya H

  General Education Suzuka National College Of Technology

• OYA Hiroo

  General Education, Suzuka Technical College

関連論文

• An Improved Preparation Method of Ultrafine Particles by Gas Evaporation with Arc Plasma Sputtering
• Nonlinear Lattice Vibration Appearing at Low Temperatures in Silver Ultrafine Particles with Static Distortion

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