Sree Sesha Sudha Gayatri Babbilapati

7 Questions 5 Answers 0 Followers

Questions related from Sree Sesha Sudha Gayatri Babbilapati

"Most of the Dilute Magnetic Semiconductor materials exhibit ferromagnetism at low field areas". Is this statement true?

Hello I am Sudha gayatri working on DMS (Dilute Magnetic Semiconductor) materials. I have synthesized I - VI DMS material (at 4 different dopant concentrations - 1, 3, 5, and 7%) and obtained...

08 July 2024 2,783 0 View

What are the possible reasons behind RAMAN peak shift?

I am working on Dilute magnetic Semiconductors (DMS) - powder samples. RAMAN peak for pure host material sample got around 400 cm-1 whereas for the doped samples the peak came around 800 cm-1. I...

06 January 2024 5,329 2 View

What will happen if both the retentivity values are in positive X - axis and both coercivity are in negative y-axis in Hysteresis curve?

I have plotted my VSM data in origin for a nano powder sample. I got a plot where the hysteresis behaviors' are not appropriately observed. When Magnetization is zero (y-axis is zero), both...

22 November 2023 2,495 2 View

What is the role of CTAB or NH4F in the synthesis of CuS nanoparticles by Hydrothermal method?

During the synthesis of CuS nanoparticles, there are two ways like adding CTAB(cetyltrimethylammonium bromide) or adding NH4F(Ammonium Fluoride) along with Copper and Sulphur precursor sources....

18 January 2023 3,635 0 View

How to increase the yield of powder sample in Hydrothermal method?

Actually I have started the synthesis of nanoparticles by Hydrothermal method. But, the yield I obtained is very less (40 mg) for 60 ml solution. How can I increase the quantity of powder sample?...

07 January 2023 2,746 0 View

What is the relation between dopant concentration and particle size?

When the dopant concentration increases (1%, 3%, 5%, 7% ...), the particle size is varying (increases / decreases) in the synthesis of nanoparticles by Hydrothermal method. What may be the reason...

07 January 2023 9,121 3 View

What is the relation between XRD intensities and Crystal structure and morphology?

Is there any relation between intensities of XRD peak and morphology of crystal and size of crystal?

21 December 2022 5,823 5 View