| dc.creator | SERGUEI STEPANOV | |
| dc.creator | PONCIANO RODRIGUEZ MONTERO | |
| dc.creator | SVETLANA MANSUROVA SERGUEYEVNA | |
| dc.date | 2007 | |
| dc.date.accessioned | 2023-07-25T16:22:40Z | |
| dc.date.available | 2023-07-25T16:22:40Z | |
| dc.identifier | http://inaoe.repositorioinstitucional.mx/jspui/handle/1009/928 | |
| dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/7806127 | |
| dc.description | We report on detailed investigation of the photo-electromotive-force (photo-EMF) effect in semiconductor with bipolar photoconductivity
of impurity type in a spectral region close to the fundamental absorption edge, where both the photoconductivity and the photo-
EMF response reach their maxima. The experiments performed with CdTe:V crystal (ΔE ≈
1.51 eV) in the spectral range of 826–853 nm
show that dynamics of the photo-EMF signal formation in this crystal is governed by relaxation of slow majority photocarriers–holes
with the life-time which goes down from ƭ ≈ 9 ls at 850 nm to ≈ 6.5 ls at 826 nm. The minority photocarriers (electrons), which contribute
approximately 10% of the total photoconductivity, also demonstrate significant wavelength dependence of their diffusion length with
LD ≈ 8.5 lm at 850 nm and ≈ 6.3 lm at 830 nm. The reported results show significant improvement in responsivity of the bipolar CdTe:V
photo-EMF detector when it is operated at λ = 840 nm (by factor ≈ 2.5 as compared with that at 852 nm). | |
| dc.format | application/pdf | |
| dc.language | eng | |
| dc.publisher | Elsevier B.V. | |
| dc.publisher | Science Direct | |
| dc.relation | citation:Stepanov, S., et al., (2007). Wavelength dependence of the photo-electromotive-force effect in CdTe:V crystal with bipolar photoconductivity, Optical Materials 29 (2007): 623–630 | |
| dc.rights | info:eu-repo/semantics/openAccess | |
| dc.rights | http://creativecommons.org/licenses/by-nc-nd/4.0 | |
| dc.subject | info:eu-repo/classification/cti/1 | |
| dc.subject | info:eu-repo/classification/cti/22 | |
| dc.subject | info:eu-repo/classification/cti/2209 | |
| dc.subject | info:eu-repo/classification/cti/2209 | |
| dc.title | Wavelength dependence of the photo-electromotive-force effect in CdTe:V crystal with bipolar photoconductivity | |
| dc.type | info:eu-repo/semantics/article | |
| dc.type | info:eu-repo/semantics/publishedVersion | |
| dc.audience | students | |
| dc.audience | researchers | |
| dc.audience | generalPublic | |
