What question did this study set out to answer?

To evaluate and compare nine mathematical models for estimating crystallite size, strain, stress, and energy density in pure and metal-doped hydroxyapatite.

December 4, 2023Results in MaterialsOpen Access

Calculation of crystallite sizes of pure and metals doped hydroxyapatite engaging Scherrer method, Halder-Wagner method, Williamson-Hall model, and size-strain plot

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Authors

SDSanjana Afrin DishaBML Munjal University MHMd. Sahadat HossainCentral Glass and Ceramic Research Institute MHMd. Lawshan HabibBangladesh Council of Scientific and Industrial Research

Discussion

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Implication

Experimental study demonstrates crystallite sizes from 22 to 77 nm in metal-doped hydroxyapatite, highlighting discrepancies among Williamson-Hall and Halder-Wagner models.

Key Points

To evaluate and compare nine mathematical models for estimating crystallite size, strain, stress, and energy density in pure and metal-doped hydroxyapatite.
Synthesized pure and metal-doped hydroxyapatite and performed spectral characterization.
Estimated microstructural parameters using the Scherrer equation, modified Williamson-Hall models, the Halder-Wagner model, and size-strain plots.
Crystallite sizes ranged from 22 to 77 nm across most models, but the Linear Straight-Line Model generated invalid results for all samples.
Modified Williamson-Hall models yielded both positive and negative values for strain, stress, and energy density, whereas the Size Strain and Halder-Wagner models yielded exclusively positive values.

Cite This Study

Disha et al. (2023) studied this question.

synapsesocial.com/papers/6a7097442163a0a01bc4cd20 https://doi.org/10.1016/j.rinma.2023.100496

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Implication

Experimental study demonstrates crystallite sizes from 22 to 77 nm in metal-doped hydroxyapatite, highlighting discrepancies among Williamson-Hall and Halder-Wagner models.

Calculation of crystallite sizes of pure and metals doped hydroxyapatite engaging Scherrer method, Halder-Wagner method, Williamson-Hall model, and size-strain plot

Discussion

Member takes

Implication

Key Points

Cite This Study

Calculation of crystallite sizes of pure and metals doped hydroxyapatite engaging Scherrer method, Halder-Wagner method, Williamson-Hall model, and size-strain plot

Discussion

Member takes

Implication

Key Points

Cite This Study

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