FERROELECTRIC MEASUREMENTS | Advanced Materials Lab | Nanoscale Science & Smart Materials Research

Annotated Raman spectrum showing peak position for bond identification, peak width (FWHM) indicating crystallinity and disorder, peak splitting due to symmetry reduction, new peaks from ferroelectric phase transition, and broad fluorescence background with Ti-O, C-C, and C=C bond positions

Raman Peak Table

Dr. Rolly Verma / March 29, 2026

Raman Peak Table – Piezoelectric & Ferroelectric Materials | Advanced Materials Lab Raman Peak Table Comprehensive Database for Piezoelectric & […]

FERROELECTRICS CHARACTERIZATION

Relaxor Ferroelectrics Explained:

Dr. Rolly Verma / February 21, 2026

Ferroelectrics & Testing Systems Menu Smart Materials: A Complete Guide The Untold History of Piezoelectricity: From Accidental Discoveries to Technological

Comparison of free energy and hysteresis in ferroelectrics: (1) High-temperature paraelectric state with single minimum at P=0, (2) Low-temperature ferroelectric state with double minima at ±P₀, and (3) Ferroelectric hysteresis loop (P–E curve) showing remanent polarization and coercive field.

FERROELECTRICS CHARACTERIZATION

Ginzburg–Landau–Devonshire (GLD) Theory

Dr. Rolly Verma / September 27, 2025

Ginzburg–Landau–Devonshire (GLD) Theory: A Simple Explanation with Infographics Have you ever wondered how scientists explain the strange behaviour of materials

Graph showing non-remnant polarization component in ferroelectric materials using PUND measurement method, illustrating polarization versus voltage hysteresis behavior.

FERROELECTRICS CHARACTERIZATION

Unlocking Non-Remnant Polarization: 5 Must-Know Points Every Student Should Know

Dr. Rolly Verma / July 6, 2025

Unlocking Non-Remnant Polarization: 5 Must-Know Points Every Student Should Know Figure: Non-remnant polarization (P^) extracted from PUND measurement, showing polarization–voltage

Graph illustrating PUND polarization switching in ferroelectric materials, showing the relationship between voltage and polarization with P*, Pᵣ*, P^, and Pᵣ^ parameters used to extract switchable and non-switchable remnant polarization.

FERROELECTRICS CHARACTERIZATION

How to Perform PUND Measurements — A Beginner’s Lab Manual

Dr. Rolly Verma / June 27, 2025

Ferroelectrics & Testing Systems Menu Smart Materials: A Complete Guide The Untold History of Piezoelectricity: From Accidental Discoveries to Technological

Ferroelectric hysteresis loop showing polarization versus electric field with labeled saturation polarization (Ps), remnant polarization (Pr), and coercive field (Ec), illustrating switchable and non-remnant polarization components.

FERROELECTRICS CHARACTERIZATION

Is What You’re Seeing in the Hysteresis Loop Truly Due to Ferroelectricity — or Just an Illusion?

Dr. Rolly Verma / June 26, 2025

Is What You’re Seeing in the Hysteresis Loop Truly Due to Ferroelectricity — or Just an Illusion? “Unlocking the Truth