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Experimental and theoretical approaches on thermal and structural properties of Zn doped BSCCO glass ceramics

Open Access
|Apr 2016

Figures & Tables

Fig. 1

DTA curve and the values determined from the graph.
DTA curve and the values determined from the graph.

Fig. 2

DTA curves of Bi1.8Sr2Ca2Cu2.5Zn0.5O10+δ sample for various heating rates (a) β = 5 K.min-1, (b) β =10 K.min-1, (c) β = 15 K.min-1 and (d) β = 20 K.min-1.
DTA curves of Bi1.8Sr2Ca2Cu2.5Zn0.5O10+δ sample for various heating rates (a) β = 5 K.min-1, (b) β =10 K.min-1, (c) β = 15 K.min-1 and (d) β = 20 K.min-1.

Fig. 3

ln(β/Tx2)$\ln \left( {\beta /{\rm T}_{\rm x}^2} \right)$ vs. 1000/Tx graph for all samples according to Kissinger formula.
ln(β/Tx2)$\ln \left( {\beta /{\rm T}_{\rm x}^2} \right)$ vs. 1000/Tx graph for all samples according to Kissinger formula.

Fig. 4

Tg versus lnβ(K.min-1) graph of the samples according to Lasocka formula.
Tg versus lnβ(K.min-1) graph of the samples according to Lasocka formula.

Fig. 5

ln[-ln(1-x)] versus ln(β) graph for the samples.
ln[-ln(1-x)] versus ln(β) graph for the samples.

Fig. 6

XRD patterns of the samples.
XRD patterns of the samples.

Fig. 7

SEM micrographs of the (a) CZn00 (b) CZn0.1 and (c) CZn0.5 samples.
SEM micrographs of the (a) CZn00 (b) CZn0.1 and (c) CZn0.5 samples.

Lattice parameters a, b, c and volume (V) values of all samples_

SamplesV(A˚ 3)a(A˚)b(A˚)c(A˚)
CZn00897.555.405.4030.78
CZn01899.505.415.4030.79
CZn05902.345.415.4130.82

DTA results of Bi1_8Sr2Ca2Cu3_2-xZnxO10+δ (x = 0, 0_1, and 0_5) samples_

SamplesHeating Rate (β) [K_min-1]Tg [K]Tx1 [K]Tx2 [K]Lasocka ParametersEn
A [K]B[kJ_mol-1]
CZn 05732.0741.0796.8
10738.0751.4809.0720.47.1338.33.59
15740.0755.7805.0
20742.0759.5808.0
CZn 0.15738.0745.4799.4
10745.0758.2813.0725.87.8312.42.79
15747.0762.0808.3
20749.0765.0812.0
CZn 0.55757.0766.0806.0
10763.0776.3812.4742.49.1306.11.29
15768.0785.0819.2
20769.0786.1819.8
DOI: https://doi.org/10.1515/msp-2016-0027 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
Language: English
Page range: 25 - 32
Submitted on: Feb 10, 2015
Accepted on: Dec 21, 2015
Published on: Apr 27, 2016
Published by: Sciendo
In partnership with: Paradigm Publishing Services
Publication frequency: 4 times per year

© 2016 H. Koralay, O. Hicyilmaz, S. Cavdar, O. Ozturk, A.T. Tasci, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.