Very Sharp Platinum Tips by Electrochemical Etching
Very Sharp Platinum Tips by Electrochemical Etching
Very Sharp Platinum Tips by Electrochemical Etching
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4 Tip properties Martin Kupper 08309650.50I/mA−0.5−1−1.5−2−20 −15 −10 −5 0 5 10 15 201 x 10−6 U/mV(a) 1 st IV0.50I/mA−0.5−1−1.5−2−30 −20 −10 0 10 20 301 x 10−4 U/mV(b) 2 nd IV42I/mA0−2−4−6−50 −40 −30 −20 −10 0 10 20 30 40 506 x 10−4 U/mV(c) 3 rd IVFigure 4.5: Three IV curves of two Pt/Ir tips. They were always at the same position.For the corresponding EBIC see Fig.4.419
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