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sensors based on hydrogenated diamond surfaces
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10.1063/1.1866632
/content/aip/journal/apl/86/7/10.1063/1.1866632
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/7/10.1063/1.1866632
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Variation of with the of the electrolyte for a hydrogen-terminated diamond device (curve a) and for an ozone-treated device (curve b). The potential of the electrolyte was fixed by a potentiostat at with respect to the source contact.

Image of FIG. 2.
FIG. 2.

curves of an ozone-treated device as a function of the electrolyte pH.

Image of FIG. 3.
FIG. 3.

pH sensitivity (mV/pH) of freshly hydrogenated devices (curve a and b) compared to ozone–treated diamond devices (curve c and d).

Image of FIG. 4.
FIG. 4.

Microscopic view of a device cross section in which a H-terminated region is embedded between two O-terminated regions. Holes are only accumulated under the H-terminated diamond surface. Varying the modifies the adsorbed charge only at the oxidized regions, inducing a lateral modulation of the conductive channel.

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/content/aip/journal/apl/86/7/10.1063/1.1866632
2005-02-09
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: pH sensors based on hydrogenated diamond surfaces
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/7/10.1063/1.1866632
10.1063/1.1866632
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