Role of molybdenum ions in lead zinc phosphate glass system by means of dielectric studies

• Autorzy: Venkateswara Rao, P. , Naga Raju, G. , Syam Prasad, P. , Satyanarayana, T. , Srinivasa Rao, L. , Goumeidane, F. , Iezid, M. , Marltan, W. , Sahaya Baskaran, G. , Veeraiah, N.
• Języki publikacji: EN

Abstrakty

EN

PbO-ZnF₂-P₂O₅ glasses doped with different mol% (0.1 to 1.0) of MoO₃ have been prepared. Dielectric properties ∊′(ω), tanδ, σAC, of the synthesized samples were calculated from frequency measurements versus temperature. Space charge polarization was used to analyze the temperature and frequency dispersions of dielectric constant ∊′(ω) and dielectric loss tanδ. Quantum mechanical tunneling model was employed to explain the origin of AC conductivity. The AC conductivity exhibited an increasing trend with increasing concentration of MoO₃ (up to 0.2 mol%) but the activation energy for conduction decreased. The plots of AC conductivity revealed that the relaxation dynamics depends on MoO₃ dopant concentration.

Słowa kluczowe

EN

electrical properties; dielectric properties; quantum mechanical tunneling; AC conductivity; relaxation dynamics

• Czasopismo: Materials Science Poland
• Rocznik: 2018
• Tom: Vol. 36, No. 4
• Strony: 623--629
• Opis fizyczny: Bibliogr. 40 poz., rys., tab.

Twórcy

autor

Venkateswara Rao, P.

• Department of Physics, University of the West Indies, Mona Campus, Jamaica,

autor

Naga Raju, G.

• Department of Physics, Acharya Nagarjuna University, Nagarjuna Nagar, Guntur, AP, India

autor

Syam Prasad, P.

• Department of Physics, National Institute of Technology Warangal, Warangal, Telangana, India

autor

Satyanarayana, T.

• Department of Electronics and Instrumentation Engineering, Lakireddy Bali Reddy College of Engineering (A), AP, India

autor

Srinivasa Rao, L.

• Department of Humanities and Sciences (Physics), VNR Vignana Jyothi Institute of Engineering and Technology, Bachupally, Nizampet (S.O), Hyderabad, Telangana, India

autor

Goumeidane, F.

• Laboratory of Active Components and Materials; Larbi Ben M’hidi University, Oum El Bouaghi, 04000, Algeria

autor

Iezid, M.

• Laboratoire d’Innovation en construction, Eco-conception et Génie Sismique (LICEGS); Université Mostafa Ben Boulaid Batna 2, Algeria

autor

Marltan, W.

• Department of Physics, University of the West Indies, Mona Campus, Jamaica

autor

Sahaya Baskaran, G.

• Departmentof Physics, Andhra Loyola College, Vijayawada, India

autor

Veeraiah, N.

• Department of Physics, Acharya Nagarjuna University, Nagarjuna Nagar, Guntur, AP, India

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).

Identyfikatory

DOI

10.2478/msp-2018-0074