How do you prepare your STM tip?

The STM technique presents a clear drawback: the uncontrolled shape and chemical termination of the tip.  This is particularly important in UHV, where atomic resolution is wanted.  Tip preparation methods are therefore essential for obtaining good STM images. Here follows our optimized recipe. If you find it useful, please, let us know. Also we would appreciate if you send us yours. We will publish them here.

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