Salma Ayadh

6 Questions 9 Answers 0 Followers

Questions related from Salma Ayadh

How can porosity cause the decrease of dielectric constant?

Hello, please can anyone explain to me how the porosity can cause the decrease of dielectric constant of porous perovskites, where the microstructure reveals pores?

04 April 2023 7,124 4 View

Can defect dipoles be created if we substitute the A-site of perovskite with an acceptor dopant?

Can anyone please tell me if the defect dipoles can be created if we substitute the A-site of perovskite with an acceptor dopant? And if this defect dipoles can decrease the dielectric constant.

03 April 2023 180 2 View

What is the relation between oxygen vacancies and Curie temperature?

Please i want to understand the relation between the oxygen vacancies and Curie temperature, and if oxygen vacancies can increase the Curie temperature in ferroelectrics.

17 February 2023 1,344 6 View

What makes a displacement of an ion more favored along an axis than another?

Can anyone please inform what makes a displacement of an ion more favored in an axis than another? To be more specific, i found that when smaller ions substitute for Ba2+ on the A site in the...

16 February 2023 684 0 View

The influence of the valence state on the Curie Temperature?

First, please i would like to know what is the influence of the valence state of an element in a perovskite structure on the Curie temperature, and secondly why it is better to have a high Curie...

11 February 2023 4,621 7 View

Relation between the permittivity and energy storage for ferroelectrics materials?

Hello, i want to ask what is exactly the relation between the permittivity and energy storage for ferroelectrics materials? Thank you in advance

10 February 2023 575 3 View