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Questions related from Akanksha Adaval
I am working on a project to study the piezoelectric property of a polymer matrix by incorporating ceramic material. While studying the dielectric properties, I see a continuous decrease as the...
10 April 2024 1,512 5 View
In majority of studies, the curie temperature of pure PVDF has not been explored. The studies which are available they have worked on PVDF copolymers to study the curie temperature via dielectric...
04 December 2023 3,657 2 View
We know that uniaxial and biaxial stretching induces the formation of beta/gamma phase in PVDF. So, once the stretching condition is removed then why doesn't the phase go back to its most stable...
01 December 2022 7,018 1 View
I have come across studies which have mentioned Raman and FTIR to be complementary. So, why are some bands present in FTIR but are absent in Raman or vice-versa.
13 June 2022 6,952 5 View
PVDF-based dielectric polymers and their applications in ele... This particular paper mentions that alphas has highest permittivity but the reason is not clear for the same. Can anyone help me in...
11 March 2022 6,545 0 View
I need to clarify that is 1 pm/V = 1pC/N? Why there are two units? Are the methods to measure the piezoelectric coefficient in the two units, different? Kindly help! Thank you.
09 March 2022 9,464 9 View
While carrying out PFM for my polymer films, I observed that while taking butterfly curves and phase plots; if during analysis it is sample biased and tip biased we are getting a marginal...
10 January 2022 8,525 10 View
I have attached two SAED patterns for graphene based nanofillers. Can anyone guide me through the indexing of the said patterns? And also, is it possible to find out the number of graphene layers...
06 August 2021 4,551 8 View
I am observing a decrease in the filler incorporated PVDF composites as compared to pure PVDF. This means that the thermal stability is decreasing. Even though the polar phase formation is...
05 March 2021 563 3 View
What are the main differences between Graphene Oxide and Expanded graphite, in terms of surface functionalities, conductivity, d-spacing and other features? Is the term expanded graphite...
07 February 2021 10,134 4 View
I have polymer composite film samples. The thickness of my sample is around 1.5 mm. While calculating piezo-coefficient via AFM, there is no response. Can anyone let me know the optimum sample...
15 December 2020 4,003 10 View
As its known that PVDF has 5 crystalline phases. Is the relative crystallinity of all the phases same or different. Is there some study published on it yet? or this is just an absurd question...
01 January 1970 1,333 6 View