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http://ir.juit.ac.in:8080/jspui/jspui/handle/123456789/5126Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Ambika | - |
| dc.contributor.author | Barman, P.B. | - |
| dc.date.accessioned | 2022-07-25T04:34:36Z | - |
| dc.date.available | 2022-07-25T04:34:36Z | - |
| dc.date.issued | 2010 | - |
| dc.identifier.uri | http://ir.juit.ac.in:8080/jspui//xmlui/handle/123456789/5126 | - |
| dc.description | Physica B 405(2010) 822–827 | en_US |
| dc.description.abstract | Thin filmsofSe85 xTe15Bix (x ¼ 0, 1,2,3,4,5)glassyalloyspreparedbymeltquenchingtechnique,are depositedonglasssubstrateusingthermalevaporationtechniqueundervacuum.Theanalysisof transmission spectra,measuredatnormalincidence,inthespectralrange400–1500nmhelphelpsusin the opticalcharacterizationofthinfilmsunderstudy.Well-knownSwanepoel’smethodisemployedto determine therefractiveindex(n) andfilmthickness(d). Theincreasein n with increasingBicontent overtheentirespectralrangeisrelatedtotheincreasedpolarizabilityofthelargerBiatom(atomic radius 1.46 A˚ ) comparedwiththeSeatom(atomicradius1.16 A˚ ). Dispersionenergy(Ed), averageenergy gap (E0) andstaticrefractiveindex(n0) isarecalculatedusingWemple–DiDomenicomodel(WDD). The valueofabsorptioncoefficient(a) andhenceextinctioncoefficient(k) hashavebeendetermined from transmissionspectra.Opticalbandgap(Eg) isestimatedusingTauc’sextrapolationandisfoundto decrease from1.46to1.24eVwiththeBiaddition.Thisbehaviorofopticalbandgapisinterpretedin terms ofelectronegativitydifferenceoftheatomsinvolvedandcohesiveenergyofthesystem. | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | Jaypee University of Information Technology, Solan, H.P. | en_US |
| dc.subject | Chalcogenide glasses | en_US |
| dc.subject | Refractive index | en_US |
| dc.subject | Cohesive energy | en_US |
| dc.subject | Optical band gap | en_US |
| dc.title | An Optical study of Vacuume Vaporated Se85 xTe15Bix Chalcogenide Thin Films | en_US |
| dc.type | Article | en_US |
| Appears in Collections: | Journal Articles | |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| An Optical study of Vacuume Vaporated Se85 xTe15Bix Chalcogenide Thin Films.pdf | 504.74 kB | Adobe PDF | View/Open |
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