2026 Robert Freer: 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	46	11423	11039	472	453	251	8258

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Materials Science

11423

11039

472

453

251

8258

Overview

Robert Freer is affiliated with the University of Manchester in the United Kingdom. Their research primarily centers on materials science and engineering, with a focus on materials chemistry, electrical and electronic engineering, and various subfields related to advanced functional materials.

The main topics of Robert Freer's work include:

Advanced Thermoelectric Materials and Devices
Thermal Expansion and Ionic Conductivity
Thermal properties of materials
Chalcogenide Semiconductor Thin Films
Perovskite Materials and Applications
Magnetic and transport properties of perovskites and related materials
Transition Metal Oxide Nanomaterials

Freer's frequent co-authors include:

Feridoon Azough
Xiaodong Liu
David J. Lewis
Dursun Ekren
Yibing Zhu

Their publications have been featured prominently in several journals, particularly:

ACS Applied Materials & Interfaces
Journal of the European Ceramic Society
Journal of Physics Energy
SSRN Electronic Journal
Journal of Materials Chemistry A

Significant recent papers authored or co-authored by Robert Freer include:

Key properties of inorganic thermoelectric materials-tables (version 1), 2022, Journal of Physics Energy
Roadmap on inorganic perovskites for energy applications, 2021, Journal of Physics Energy
Graphene/Strontium Titanate: Approaching Single Crystal-Like Charge Transport in Polycrystalline Oxide Perovskite Nanocomposites through Grain Boundary Engineering, 2020, Advanced Functional Materials
Modulation of Charge Transport at Grain Boundaries in SrTiO₃: Toward a High Thermoelectric Power Factor at Room Temperature, 2021, ACS Applied Materials & Interfaces
Enhancing the Thermoelectric Performance of Calcium Cobaltite Ceramics by Tuning Composition and Processing, 2020, ACS Applied Materials & Interfaces

Best Publications

Effects of packing fraction and bond valence on microwave dielectric properties of A2+B6+O4 (A2+: Ca, Pb, Ba; B6+: Mo, W) ceramics

Eung Soo Kim;Byung Sam Chun;Robert Freer;Robert J. Cernik

513
Citations
Diffusion in silicate minerals and glasses: A data digest and guide to the literature

Robert Freer

484
Citations
Realising the potential of thermoelectric technology: a Roadmap

Robert Freer;Anthony V. Powell

293
Citations
The Physics and Chemistry of Carbides, Nitrides and Borides

Robert Freer

266
Citations
The roles played by Ag and Al dopants in controlling the electrical properties of ZnO varistors

Jiwei Fan;Robert Freer

264
Citations
Self-diffusion and impurity diffusion in oxides

R. Freer

249
Citations
Microstructural engineering of microwave dielectric ceramics

R. Freer;F. Azough

224
Citations
Thermoelectric power generation from lanthanum strontium titanium oxide at room temperature through the addition of graphene

Yue Lin;Colin Norman;Deepanshu Srivastava;Feridoon Azough

203
Citations
Microstructure and properties of Co-, Ni-, Zn-, Nb- and W-modified multiferroic BiFeO3 ceramics

Feridoon Azough;Robert Freer;Michael Thrall;Robert Cernik

177
Citations
Structural, electronic and thermoelectric behaviour of CaMnO3 and CaMnO(3−δ)

Marco Molinari;David A. Tompsett;Stephen C. Parker;Feridoon Azough

160
Citations
DiC12: Magnesium titanate microwave dielectric ceramics

V. M. Ferreira;F. Azough;J. L. Baptista;R. Freer

146
Citations
The effect of Cr and La on MgTiO3 and MgTiO3–CaTiO3 microwave dielectric ceramics

V. M. Ferreira;F. Azough;R. Freer;J. L. Baptista

130
Citations
Microstructure and piezoelectric properties of CuO added (K, Na, Li)NbO3 lead-free piezoelectric ceramics

F. Azough;M. Wegrzyn;R. Freer;S. Sharma

114
Citations
The mechanism of abnormal grain growth in Sr0.6Ba0.4Nb2O6 ceramics

Han-Young Lee;R. Freer

107
Citations
Facile Surfactant-Free Synthesis of p-Type SnSe Nanoplates with Exceptional Thermoelectric Power Factors

Guang Han;Srinivas R. Popuri;Heather F. Greer;Jan Willem G. Bos

104
Citations
Deep Level Transient Spectroscopy of Zinc Oxide Varistors Doped with Aluminum Oxide and/or Silver Oxide

Jiwei Fan;Robert Freer

101
Citations
The energetics and structure of the hydrogarnet defect in grossular: A computer simulation study

Kate Wright;R. Freer;C. R. A. Catlow

95
Citations
Oxygen Diffusion Studies. I. A Preliminary Ion Microprobe Investigation of Oxygen Diffusion in Some Rock-Forming Minerals

R. Freer;P. F. Dennis

87
Citations
Improving the thermoelectric properties of SrTiO3-based ceramics with metallic inclusions

Deepanshu Srivastava;Colin Norman;Feridoon Azough;Marion C. Schäfer

84
Citations
“Null result” diffusion experiments with diopside: implications for pyroxene equilibria

R. Freer;M.A. Carpenter;J.V.P. Long;S.J.B. Reed

83
Citations
Roadmap on inorganic perovskites for energy applications

John Irvine;Jennifer L. M. Rupp;Gang Liu;Gang Liu;Xiaoxiang Xu

80
Citations