Javi,
You can try operating an SEM at much lower kV with a field
emission gun, but the problem is that X-ray excitation and BSE
imaging is limited at low voltage. Otherwise, SEMs do not have much
higher resolution unless the sample is made very thin. You probably
need to consider TEM studies.
eric
>Dear All,
>
>We are studying pyrite mineral chemistry with EPMA and SEM. We have found
>some tiny (less than 1 microns) elongated zones of Pb+Bi enrichment. We
>need a technique with higher resolution,
>like a scanning electron microscope of high resolution, in order to
>resolve the nature of this enrichment.
>
>We appreciate very much if anybody could inform us about any laboratory
>provided with this kind of microscope.
>
>Thank-you very much in advance
>
>Javi
>
>--------------------------------------------------------------------------
>Francisco Javier Carrillo Rosúa
>Instituto Andaluz de Ciencias de la Tierra (Universidad de Granada-C.S.I.C.)
>Facultad de Ciencias. Avenida de Fuentenueva s/n 18002 Granada. ESPAÑA
>Tlfno: 958 248535; Fax: 958 243368
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