Electronic conductivity in glasses of the TeO2-V2O5-MoO3 system

Lebrun, Nathalie; Lévy, M.; Souquet, J.L.

doi:10.1016/0167-2738(90)90107-3

Cited by 56 publications

(35 citation statements)

References 9 publications

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“…The conductivity of the films at 473 K ranged from 4.11 Â 10 -8 to 2.52 Â 10 -4 Scm -1 depending on film composition. The conductivity of the 60MoO 3 -40TeO 2 film was higher than that of the 60MoO 3 -40TeO 2 glass [14]. The conductivity of the films increased with increasing MoO 3 content ( Table 2).…”

Section: Resultsmentioning

confidence: 87%

“…In the present study, TeO 2 is considered as a network former and MoO 3 as an active transition metal oxide due to the fact that this material, in the crystalline form, is also one of the host compounds for intercalation [14]. Thin amorphous dielectric films based on MoO 3 are well known as insulator, but TeO 2 is an oxide having low electrical conductivity.…”

Section: Introductionmentioning

confidence: 99%

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Electrical and Optical Properties of MoO3-TeO2 Amorphous Films Prepared by PVD Method

Pal¹,

Tsujigami²,

Yoshikado³

et al. 2000

phys. stat. sol. (a)

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Electrical and optical properties of MoO 3 -TeO 2 amorphous films prepared by vacuum deposition method were investigated. X-ray diffraction patterns show an amorphous structure. The dc conductivity of the films was measured in the temperature range 323-523 K and follows a non-adiabatic small polaron hopping conduction mechanism between Mo 4þ and Mo 5þ , confirmed by X-ray photoelectron spectroscopy measurements. Conductivity of the films increases with increase of MoO 3 content. The Seebeck coefficient indicates the films to be n-type semiconductor. Optical absorption edge analysis gave a band gap energy of 2.7-2.9 eV depending on composition. The Urbach tail analysis gave the width of localized states between 0.23 and 0.25 eV.

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Section: Resultsmentioning

confidence: 87%

Section: Introductionmentioning

confidence: 99%

Electrical and Optical Properties of MoO3-TeO2 Amorphous Films Prepared by PVD Method

Pal¹,

Tsujigami²,

Yoshikado³

et al. 2000

phys. stat. sol. (a)

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“…18 is independent of V 2 O 5 concentration, then the nature of hopping conduction is adiabatic type [29]- [31].If the tunneling factor in Eq. 1, exp (-2αR), is neither constant nor equal to one, which means that σ 0 varies with composition, specifying nonadiabatic nature of hopping conduction [17], [32].…”

Section: Resultsmentioning

confidence: 99%

Investigation of DC Conductivity and Non-Adiabatic Small Polaron Hopping in V2o5-Seo2-Zno Glass Nanocomposites

Das¹

2017

IJRASET

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“…Semiconducting oxide glasses containing transition metal oxides (TMO) have been extensively studied due to their interesting physical properties, and also technological advantages in electrochemical devices such as solid state batteries, [28,29] optoelectronic devices such as fiber Raman amplifiers, [30,31] precursors for infrared fibers [32][33][34] and waveguide devices. [35] Also, Vitreous materials containing V 2 O 5 have been proposed as cathode materials for lithium solid state batteries.…”

Section: Introductionmentioning

confidence: 99%

Effect of antimony on the optical and physical properties of Sb-V2O5-TeO2 glasses

Souri

Mohammadi

Zaliani

2014

Electron. Mater. Lett.

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Ternary glass systems of the form xSb-(60-x) V2O5-40TeO2 (Sx glasses) with 0 ≤ x ≤ 15 (in mol. %) have been prepared by using the normal melt quenching technique. The optical absorption spectra of these glasses have been recorded within wavelength range of 190 -1100 nm. The absorption spectrum fitting method was employed to obtain the energy band gap. In this method, only the measurement of absorbance spectrum of the glass is needed. The position of the absorption edge and therefore the optical band gap values were found to be depend on glass composition. Results show that the optical band gap is in the range 1.57 -2.14 eV. For each sample, the width of the band tail was determined. The densities of present glasses were measured and the molar volumes were calculated. Also, some thermal properties such as glass transition temperature (Tg) and crystallization temperature (TCr) were obtained by using differential scanning calorimetry (DSC) technique, and from which the glass thermal stability S and glass forming tendency Kgl were calculated. Results show that these glasses (specially for x ≥ 10 mol. %) have good stability and therefore good resistance against thermal shocks for technological applications in fiber devices. Also, Tg values indicate the rigidity and packing of the samples increase with increasing the Sb concentration as a network modifier.

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Electronic conductivity in glasses of the TeO2-V2O5-MoO3 system

Cited by 56 publications

References 9 publications

Electrical and Optical Properties of MoO3-TeO2 Amorphous Films Prepared by PVD Method

Electrical and Optical Properties of MoO3-TeO2 Amorphous Films Prepared by PVD Method

Investigation of DC Conductivity and Non-Adiabatic Small Polaron Hopping in V2o5-Seo2-Zno Glass Nanocomposites

Effect of antimony on the optical and physical properties of Sb-V2O5-TeO2 glasses

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