Istaq Ahmed

Publications (33)
Projects (0)

Showing 33 publications

2017

Overcurrent Abuse of Primary Prismatic Zinc–Air Battery Cells Studying Air Supply Effects on Performance and Safety Shut-Down

Carl Fredrik Larsson, Antti Rytinki, Istaq Ahmed et al

Batteries. Vol. 3 (1)

Journal article

2016

Crystal structure and proton conductivity of BaSn0.6Sc0.4O3-delta: insights from neutron powder diffraction and solid-state NMR spectroscopy

FRANCIS GACHAO KINYANJUI, Stefan Norberg, Christopher Knee et al

Journal of Materials Chemistry A. Vol. 4 (14), p. 5088-5101

Journal article

2014

Characterisation of structure and conductivity of BaTi0.5Sc 0.5O3 - δ

Seikh Mohammad Habibur Rahman, Istaq Ahmed, R. Haugsrud et al

Solid State Ionics. Vol. 255, p. 140-146

Journal article

2012

Pyrochlore to Fluorite Transition: The Y2(Ti1-xZrx)2O7 (0.0 ≤ x ≤ 1.0) System

Stefan Norberg, S. Hull, Sten Eriksson et al

Chemistry of Materials. Vol. 24 (22), p. 4294-4300

Journal article

2012

50 mol% indium substituted BaTiO3: Characterization of structure and conductivity

Seikh Mohammad Habibur Rahman, Christopher Knee, Istaq Ahmed et al

International Journal of Hydrogen Energy. Vol. 37 (9), p. 7975-7982

Paper in proceeding

2012

In-situ conductivity and hydration studies of proton conductors using neutron powder diffraction

FRANCIS GACHAO KINYANJUI, Stefan Norberg, Istaq Ahmed et al

Solid State Ionics. Vol. 225, p. 312-316

Journal article

2012

Crystal structure, hydration and ionic conductivity of the inherently oxygen-deficient La2Ce2O7

V. Besikiotis, Christopher Knee, Istaq Ahmed et al

Solid State Ionics. Vol. 228, p. 1-7

Journal article

2012

Synthesis and Enhanced Proton Conduction in a 20 mol% Ytterbium Doped Barium Zirconate Ceramic Using Zn as Sintering Aid

Seikh Mohammad Habibur Rahman, Istaq Ahmed, Sten Eriksson

Applied Mechanics and Materials. Vol. 110-116 (Part 1-7), p. 1181-1186

Paper in proceeding

2011

High temperature crystal structures and superionic properties of SrCl2, SrBr2, BaCl2 and BaBr2

S. Hull, Stefan Norberg, Istaq Ahmed et al

Journal of Solid State Chemistry. Vol. 184 (11), p. 2925-2935

Journal article

2011

Application of combined neutron diffraction and impedance spectroscopy for in-situ structure and conductivity studies of La2Mo2O9

J. J. Liu, S. Hull, Istaq Ahmed et al

Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. Vol. 269 (5), p. 539-543

Journal article

2011

Structural Disorder in Doped Zirconias, Part I: The Zr0.8Sc0.2-xYxO1.9 (0.0 ≤x ≤ 0.2) System

Stefan Norberg, S. Hull, Istaq Ahmed et al

Chemistry of Materials. Vol. 23 (6), p. 1356-1364

Journal article

2010

Improved Proton Conductivity in Spark-Plasma Sintered Dense Ceramic BaZr0.5In0.5O3-delta

Istaq Ahmed, FRANCIS GACHAO KINYANJUI, Patrick Steegstra et al

Electrochemical and Solid-State Letters. Vol. 13 (11), p. B130-B134

Journal article

2010

Using Neutron Spin-Echo To Investigate Proton Dynamics in Proton-Conducting Perovskites

Maths Karlsson, Dennis Engberg, Mårten Björketun et al

Chemistry of Materials. Vol. 22 (3), p. 740-742

Journal article

2010

Short-range structure of proton-conducting BaM0.10Zr0.90O2.95 (M = Y, In, Sc and Ga) investigated with vibrational spectroscopy

M. Karlsson, Istaq Ahmed, Aleksandar Matic et al

Solid State Ionics. Vol. 181 (3-4 (Sp. Iss.)), p. 126-129

Journal article

2010

Temperature-Dependent Infrared Spectroscopy of Proton-Conducting Hydrated Perovskite BaInxZr1-xO3-x/2 (x=0.10-0.75)

Maths Karlsson, Aleksandar Matic, Ezio Zanghellini et al

Journal of Physical Chemistry C. Vol. 114 (13), p. 6177-6181

Journal article

2010

Dopant Concentration and Short-Range Structure Dependence of Diffusional Proton Dynamics in Hydrated BaInxZr1-xO3-x/2 (x=0.10 and 0.50)

M. Karlsson, P. Fouquet, Istaq Ahmed et al

Journal of Physical Chemistry C. Vol. 114 (7), p. 3292-3296

Journal article

2010

A combined conductivity and DFT study of protons in PbZrO3 and alkaline earth zirconate perovskites

T. S. Bjorheim, A. Kuwabara, Istaq Ahmed et al

Solid State Ionics. Vol. 181 (3-4), p. 130-137

Journal article

2009

Quasielastic neutron scattering of hydrated BaZr0.90A0.10O2.95 (A = Y and Sc)

Maths Karlsson, Aleksandar Matic, Dennis Engberg et al

Solid State Ionics. Vol. 180 (1), p. 22-28

Journal article

2009

Oxygen vacancy ordering within anion-deficient Ceria

Stephen Hull, Stefan Norberg, Istaq Ahmed et al

Journal of Solid State Chemistry. Vol. 182 (10), p. 2815-2821

Journal article

2009

Local structure and ionic conductivity in the Zr2Y2O7-Y3NbO7 system

Stefan Norberg, Istaq Ahmed, Stephen Hull et al

Journal of Physics Condensed Matter. Vol. 21 (21), p. 215401-

Journal article

2009

Short-range structure of proton-conducting perovskite BaInxZr1-xO3-x/2 (x=0-0

Maths Karlsson, Aleksandar Matic, Christopher Knee et al

Chemistry of Materials. Vol. 20 (10), p. 3480-3486

Journal article

2008

O-H wag vibrations in hydrated BaInxZr1-xO3-x/2

Maths Karlsson, Aleksandar Matic, Stuart Parker et al

Physical Review B. Vol. 77, p. 104302-

Journal article

2008

Crystal structure and proton conductivity of BaZr0.9Sc0

Istaq Ahmed, Maths Karlsson, Sten Eriksson et al

Journal of the American Ceramic Society. Vol. 91 (9), p. 3039-3044

Journal article

2008

Influence of microstructure on electrical properties in BaZr0.5In0.5O3-delta proton conductor

Istaq Ahmed, Sten Eriksson, Elisabet Ahlberg et al

Solid State Ionics. Vol. 179 (21-26), p. 1155-1160

Journal article

2008

Proton conduction in Perovskite Oxide BaZr0.5Yb0.5O3-δ Prepared by Wet Chemical Route

Istaq Ahmed, Christopher Knee, Sten Eriksson et al

Journal of the Electrochemical Society. Vol. 155 (11), p. 97-102

Journal article

2008

Influence of Microstructure on Electrical Properties in BaZr0.50In0.50O3-δ Proton Conductor

Istaq Ahmed, Sten Eriksson, E. Ahlberg et al

Solid State Ionics. Vol. 179, p. 3480-3485

Journal article

2008

Acceptor-Doped BaZrO3 Perovskite: Synthesis, Structure and Proton Conductivity.

Istaq Ahmed

Doctoral thesis

2008

Location of deuteron sites in the proton conducting perovskite BaZr0.50In0.50O3-y

Istaq Ahmed, Christopher Knee, Maths Karlsson et al

Journal of Alloys and Compounds. Vol. 450 (1-2), p. 103-110

Journal article

2007

Structural study and proton conductivity in Yb-doped BaZrO3

Istaq Ahmed, Sten Eriksson, Elisabet Ahlberg et al

Solid State Ionics. Vol. 178 ((7-10)), p. 515-520

Journal article

2006

Proton conductivity and low temperature structure of In-doped BaZrO3

Istaq Ahmed, Sten Eriksson, E. Ahlberg et al

Solid State Ionics. Vol. 177, p. 2357-

Journal article

2006

Some BaZrO3 Based Proton Conductors: Synthesis, Structure and Conductivity

Istaq Ahmed

Licentiate thesis

2006

Structural Study and Proton Conductivity of BaZr0.90Ga0.10O2.95

Istaq Ahmed, E. Ahlberg, Sten Eriksson et al

Advances of Solid Oxide Fuel cells II, Ceramic Engineering and Science Proceedings. Vol. 27 (4), p. 105-117

Paper in proceeding

2005

Vibrational Properties of Protons in Hydrated BaInxZr1-xO3-x/2

Maths Karlsson, Mårten Björketun, Per G. Sundell et al

Physical Review B - Condensed Matter and Materials Physics. Vol. 72, p. 1-7

Journal article

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