2026 J. M. Gregg: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	56	8384	8103	329	311	187	9353

J. M. Gregg publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where J. M. Gregg sits on this spectrum.

50 publications 1,163+

This scientist: 187 publications — 26th percentile

26% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

J. M. Gregg D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where J. M. Gregg sits on this spectrum.

40 D-Index 165+

This scientist: 56 D-Index — 37th percentile

37% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

Research.com Recognitions

2018 - Member of the Royal Irish Academy

Overview

J. M. Gregg is affiliated with Queen's University Belfast in the United Kingdom. Their research predominantly focuses on materials science and engineering, with significant contributions in materials chemistry, electronic, optical and magnetic materials, electrical and electronic engineering, biomedical engineering, and atomic and molecular physics and optics.

The main topics of their scientific work include:

Ferroelectric and Piezoelectric Materials
Multiferroics and related materials
Acoustic Wave Resonator Technologies
Ferroelectric and Negative Capacitance Devices
Photorefractive and Nonlinear Optics
Force Microscopy Techniques and Applications
Advanced Memory and Neural Computing

J. M. Gregg has published extensively across several academic venues. Frequent publication venues include:

Applied Physics Letters
arXiv (Cornell University)
Advanced Materials
Advanced Electronic Materials
Nature Reviews Physics

Best Publications

Exploring the Magnetoelectric Coupling at the Composite Interfaces of FE/FM/FE Heterostructures.

Dhiren K. Pradhan;Dhiren K. Pradhan;Shalini Kumari;Shalini Kumari;Rama K. Vasudevan;Evgheni Strelcov

366
Citations
The effect of flexoelectricity on the dielectric properties of inhomogeneously strained ferroelectric thin films

G Catalan;LJ Sinnamon;JM Gregg

341
Citations
Dielectric enhancement and Maxwell–Wagner effects in ferroelectric superlattice structures

D. O’Neill;R. M. Bowman;J. M. Gregg

340
Citations
Ensemble Effect in Bimetallic Electrocatalysts for CO2 Reduction

Yuxuan Wang;Liang Cao;Nicole J. Libretto;Xing Li;Xing Li

329
Citations
Strain gradients in epitaxial ferroelectrics

G Catalan;Beatriz Noheda;J McAneney;LJ Sinnamon

322
Citations
Solid-state nucleation of acicular ferrite on minerals added to molten steel

J.M. Gregg;H.K.D.H. Bhadeshia

319
Citations
Domain-wall engineering and topological defects in ferroelectric and ferroelastic materials

G. F. Nataf;Mael Guennou;J. M. Gregg;D. Meier

299
Citations
Relaxor features in ferroelectric superlattices: A Maxwell–Wagner approach

G. Catalan;D. O’Neill;R. M. Bowman;J. M. Gregg

256
Citations
Investigation of dead-layer thickness in SrRuO3/Ba0.5Sr0.5TiO3/Au thin-film capacitors

L. J. Sinnamon;R. M. Bowman;J. M. Gregg

225
Citations
A Lead-Free and High-Energy Density Ceramic for Energy Storage Applications

Tatiana M. Correia;Mark McMillen;Maciej K. Rokosz;Paul M. Weaver

212
Citations
Domains in Ferroelectric Nanodots

A. Schilling;D. Byrne;G. Catalan;Kyle G. Webber

210
Citations
Scaling of domain periodicity with thickness measured in BaTiO3 single crystal lamellae and comparison with other ferroics

A. Schilling;T. B. Adams;R. M. Bowman;J. M. Gregg

207
Citations
Mesoscale flux-closure domain formation in single-crystal BaTiO3

R. G.P. McQuaid;L. J. McGilly;Pankaj Sharma;Alexei Gruverman

197
Citations
Intrinsic dielectric response in ferroelectric nano-capacitors

M M Saad;P Baxter;R M Bowman;J M Gregg

195
Citations
Metal-insulator transitions in NdNiO 3 thin films

G. Catalan;R. M. Bowman;J. M. Gregg

191
Citations
Copper Nanocubes for CO2 Reduction in Gas Diffusion Electrodes.

Yuxuan Wang;Hao Shen;Ken J T Livi;David Raciti

184
Citations
Magnetic switching of ferroelectric domains at room temperature in multiferroic PZTFT

D.M. Evans;A. Schilling;Ashok Kumar;Ashok Kumar;D. Sanchez

183
Citations
Exploring grain size as a cause for “dead-layer” effects in thin film capacitors

L. J. Sinnamon;M. M. Saad;R. M. Bowman;J. M. Gregg

149
Citations
Room-temperature single phase multiferroic magnetoelectrics: Pb(Fe, M)x(Zr,Ti)(1−x)O3 [M = Ta, Nb]

Dilsom A. Sanchez;Nora Ortega;Ashok Kumar;G. Sreenivasulu

133
Citations
Ferroelectric Domain Wall Memristor

James P. V. McConville;Haidong Lu;Bo Wang;Yueze Tan

130
Citations
Morphological Control of Polar Orientation in Single-Crystal Ferroelectric Nanowires

A. Schilling;R. M. Bowman;G. Catalan;J. F. Scott

123
Citations