2026 S. P. Alpay: 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	58	7784	7525	1932	1792	259	10538

Overview

S. P. Alpay is affiliated with the University of Connecticut in the United States and has a research focus primarily in the fields of Materials Science and Engineering. Their work spans a broad range of specialized subfields, reflecting interdisciplinary engagement in materials chemistry, electrical and electronic engineering, and mechanical engineering.

The scientist's main areas of study include:

Materials Chemistry
Electrical and Electronic Engineering
Mechanical Engineering
Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment

Among the main topics they have contributed to are:

Ferroelectric and Piezoelectric Materials
Multiferroics and related materials
2D Materials and Applications
Perovskite Materials and Applications
Topological Materials and Phenomena
Microwave Dielectric Ceramics Synthesis
Aluminum Alloy Microstructure Properties

S. P. Alpay has authored publications in several prominent scientific journals, with frequent contributions to:

Journal of Applied Physics
Scripta Materialia
Physical Review B
Journal of Materials Engineering and Performance
SSRN Electronic Journal

Their recent papers include:

"Moisture-Induced Structural Degradation in Methylammonium Lead Iodide Perovskite Thin Films," 2020, ACS Applied Energy Materials
"Novel Al-X alloys with improved hardness," 2020, Materials & Design
"Atomistic Insights into the Hydrogen Oxidation Reaction of Palladium-Ceria Bifunctional Catalysts for Anion-Exchange Membrane Fuel Cells," 2021, ACS Catalysis
"Improving Alkaline Hydrogen Oxidation Activity of Palladium through Interactions with Transition-Metal Oxides," 2022, ACS Catalysis
"Deciphering electrochemical interactions in metal-polymer catalysts for CO₂ reduction," 2023, Energy & Environmental Science

The scientist regularly collaborates with several researchers, their frequent coauthors including:

Sanjeev K. Nayak
Sanjubala Sahoo
Rainer J. Hebert
Baris Yavas
Serge Nakhmanson

Best Publications

Dielectric properties in heteroepitaxial Ba0.6Sr0.4TiO3 thin films: Effect of internal stresses and dislocation-type defects

C. L. Canedy;Hao Li;S. P. Alpay;L. Salamanca-Riba

348
Citations
Mesoporous Iron Sulfide for Highly Efficient Electrocatalytic Hydrogen Evolution

Ran Miao;Biswanath Dutta;Sanjubala Sahoo;Junkai He

339
Citations
Phase diagrams and dielectric response of epitaxial barium strontium titanate films: A theoretical analysis

Z.-G. Ban;S. P. Alpay

324
Citations
Can interface dislocations degrade ferroelectric properties

S. P. Alpay;I. B. Misirlioglu;V. Nagarajan;R. Ramesh

250
Citations
Influence of mechanical boundary conditions on the electrocaloric properties of ferroelectric thin films

G. Akcay;S. P. Alpay;G. A. Rossetti;J. F. Scott

247
Citations
Magnitude of the intrinsic electrocaloric effect in ferroelectric perovskite thin films at high electric fields

G. Akcay;S. P. Alpay;J. V. Mantese;G. A. Rossetti

244
Citations
Thermodynamics of polydomain heterostructures. III. Domain stability map

S. Pamir Alpay;Alexander L. Roytburd

211
Citations
Thickness dependence of structural and electrical properties in epitaxial lead zirconate titanate films

V. Nagarajan;I. G. Jenkins;S. P. Alpay;H. Li

207
Citations
Challenges and opportunities for multi-functional oxide thin films for voltage tunable radio frequency/microwave components

Guru Subramanyam;Melanie W. Cole;Nian X. Sun;Thottam S. Kalkur

206
Citations
Imaging three-dimensional polarization in epitaxial polydomain ferroelectric thin films

C. S. Ganpule;V. Nagarajan;B. K. Hill;A. L. Roytburd

189
Citations
Dielectric anomaly due to electrostatic coupling in ferroelectric-paraelectric bilayers and multilayers

A. L. Roytburd;S. Zhong;S. P. Alpay

188
Citations
Next-generation electrocaloric and pyroelectric materials for solid-state electrothermal energy interconversion

S. Pamir Alpay;Joseph Mantese;Susan Trolier-McKinstry;Qiming Zhang

187
Citations
Fundamentals of graded ferroic materials and devices

Z.-G. Ban;S. P. Alpay;J. V. Mantese

183
Citations
Optimization of the tunability of barium strontium titanate films via epitaxial stresses

Z.-G. Ban;S. P. Alpay

177
Citations
Misfit dislocations in nanoscale ferroelectric heterostructures

V. Nagarajan;C. L. Jia;H. Kohlstedt;R. Waser

176
Citations
Pseudo-elastic deformation behavior in a Ti/Mo-based alloy

T. Zhou;M. Aindow;S.P. Alpay;M.J. Blackburn

166
Citations
Dependence of dielectric properties on internal stresses in epitaxial barium strontium titanate thin films

Hao Li;A. L. Roytburd;S. P. Alpay;T. D. Tran

163
Citations
Measurement of internal stresses via the polarization in epitaxial ferroelectric films

A. L. Roytburd;S. P. Alpay;V. Nagarajan;C. S. Ganpule

157
Citations
The fabrication and material properties of compositionally multilayered Ba1−xSrxTiO3 thin films for realization of temperature insensitive tunable phase shifter devices

M. W. Cole;E. Ngo;S. Hirsch;J. D. Demaree

149
Citations
Reduced Graphene Oxide Supported Nickel–Manganese–Cobalt Spinel Ternary Oxide Nanocomposites and Their Chemically Converted Sulfide Nanocomposites as Efficient Electrocatalysts for Alkaline Water Splitting

Ran Miao;Junkai He;Sanjubala Sahoo;Zhu Luo

148
Citations
Role of substrate on the dielectric and piezoelectric behavior of epitaxial lead magnesium niobate-lead titanate relaxor thin films

V. Nagarajan;S. P. Alpay;C. S. Ganpule;B. K. Nagaraj

140
Citations