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Tellurite And Fluorotellurite Glasses For Active And Passive

Tellurite And Fluorotellurite Glasses For Active And Passive

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7. Surface properties; MDO 298<br />

Fig. (7.30) shows optical micrographs of glass MOF001 (65TeO2-10Na2O-25ZnF2 mol.<br />

%) after etching in 3M HCl at 21°C whilst agitated in an ultrasonic bath (see section<br />

7.1.2.1 for further experimental details).<br />

20 µm<br />

(a) 30 sec. (b) 1 min.<br />

(c) 2 min. (d) 5 min.<br />

Fig. (7.30): Optical micrographs of glass MOF001 (65TeO2-10Na2O-25ZnF2 mol. %)<br />

after etching in 3M HCl at 21°C whilst agitated (all micrographs the same scale).

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