Publications by authors named "Christopher J Howard"

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A linear/quadratic order parameter coupling description of the Verwey transition in magnetite, FeO.
Michael A Carpenter, Richard J Harrison, James Shaw-Stewart, Kanta Adachi, Mark S Senn, Christopher J Howard

Acta Crystallogr B Struct Sci Cryst Eng Mater· August 2025

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Unusual Pressure-Induced Self-Trapped Exciton to Free Exciton Transfer in Chiral 2D Lead Bromide Perovskites.
Fei-Fei Gao, Yan Qin, Zhi-Gang Li, Wei Li, Jing Hao, Christopher J Howard

ACS Nano· January 2024

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Origin of Ferroelectricity in Two Prototypical Hybrid Organic-Inorganic Perovskites.
Kai Li, Zhi-Gang Li, Jun Xu, Yan Qin, Wei Li, Christopher J Howard

J Am Chem Soc· January 2022

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Group-theoretical analysis of structural instability, vacancy ordering and magnetic transitions in the system troilite (FeS)-pyrrhotite (FeS).
Charles R S Haines, Christopher J Howard, Richard J Harrison, Michael A Carpenter

Acta Crystallogr B Struct Sci Cryst Eng Mater· December 2019

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An algebraic approach to cooperative rotations in networks of interconnected rigid units.
Branton Campbell, Christopher J Howard, Tyler B Averett, Thomas A Whittle, Siegbert Schmid

Acta Crystallogr A Found Adv· September 2018

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An Unusual Phase Transition Driven by Vibrational Entropy Changes in a Hybrid Organic-Inorganic Perovskite.
Wenjuan Wei, Wei Li, Keith T Butler, Guoqiang Feng, Christopher J Howard

Angew Chem Int Ed Engl· July 2018

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Psychospiritual Resiliency: Enhancing Mental Health and Ecclesiastical Collaboration in Caring for Those Experiencing Dissociative Phenomena.
Christopher J Howard

J Relig Health· February 2017

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Guest-Activated Forbidden Tilts in a Molecular Perovskite Analogue.
Samuel G Duyker, Joshua A Hill, Christopher J Howard, Andrew L Goodwin

J Am Chem Soc· September 2016

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Octahedral tilting in the tungsten bronzes.
Thomas A Whittle, Siegbert Schmid, Christopher J Howard

Acta Crystallogr B Struct Sci Cryst Eng Mater· June 2015

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Mechanical tunability via hydrogen bonding in metal-organic frameworks with the perovskite architecture.
Wei Li, A Thirumurugan, Phillip T Barton, Zheshuai Lin, Sebastian Henke, Christopher J Howard

J Am Chem Soc· June 2014

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Crystal and magnetic structures of hexagonal YMnO3.
Christopher J Howard, Branton J Campbell, Harold T Stokes, Michael A Carpenter, Richard I Thomson

Acta Crystallogr B Struct Sci Cryst Eng Mater· December 2013

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Elastic and anelastic relaxations accompanying magnetic ordering and spin-flop transitions in hematite, Fe2O3.
Lucie Oravova, Zhiying Zhang, Nathan Church, Richard J Harrison, Christopher J Howard

J Phys Condens Matter· March 2013

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A linear-quadratic order parameter coupling model for magnetoelastic phase transitions in Fe(1-x)O and MnO.
Michael A Carpenter, Zhiying Zhang, Christopher J Howard

J Phys Condens Matter· April 2012

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Symmetry analysis of the structural and magnetic phase transitions in 122 iron arsenides.
Christopher J Howard, Michael A Carpenter

Acta Crystallogr B· April 2012

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Characterization of age-related changes in bovine CD8+ T-cells.
Alison E Hogg, Keith Parsons, Geraldine Taylor, Andrew Worth, Peter Beverley, Christopher J Howard

Vet Immunol Immunopathol· March 2011

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X-ray absorption and neutron diffraction studies of (Sr(1 - x)Ce(x))MnO3: transition from coherent to incoherent static Jahn-Teller distortions.
Zhaoming Zhang, Brendan J Kennedy, Christopher J Howard, Ling-Yun Jang, Kevin S Knight

J Phys Condens Matter· November 2010

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Octahedral tilting in cation-ordered Jahn-Teller distorted perovskites--a group-theoretical analysis.
Christopher J Howard, Michael A Carpenter

Acta Crystallogr B· February 2010

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High-pressure crystallography of rhombohedral PrAlO(3) perovskite.
Jing Zhao, Nancy L Ross, Ross J Angel, Michael A Carpenter, Christopher J Howard

J Phys Condens Matter· June 2009

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Symmetry rules and strain/order-parameter relationships for coupling between octahedral tilting and cooperative Jahn-Teller transitions in ABX3 perovskites. I. Theory.
Michael A Carpenter, Christopher J Howard

Acta Crystallogr B· April 2009

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Symmetry rules and strain/order-parameter relationships for coupling between octahedral tilting and cooperative Jahn-Teller transitions in ABX3 perovskites. II. Application.
Michael A Carpenter, Christopher J Howard

Acta Crystallogr B· April 2009

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Crystal structures and phase transition in (Sr(0.8)Ce(0.2))(Mn(1-y)Co(y))O(3) (y = 0 and 0.2): the influence of Jahn-Teller distortion.
Zhaoming Zhang, Christopher J Howard, Brendan J Kennedy, Motohide Matsuda, Michihiro Miyake

J Phys Condens Matter· March 2009

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The antigen-specific memory CD8+ T-cell response induced by BCG in cattle resides in the CD8+gamma/deltaTCR-CD45RO+ T-cell population.
Alison E Hogg, Andrew Worth, Peter Beverley, Christopher J Howard, Bernardo Villarreal-Ramos

Vaccine· January 2009

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Spectroscopic studies of dehydrogenation of ammonia borane in carbon cryogel.
Saghar Sepehri, Aaron Feaver, Wendy J Shaw, Christopher J Howard, Qifeng Zhang

J Phys Chem B· December 2007

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The nucleation and growth of calcium phosphate by amelogenin.
Barbara J Tarasevich, Christopher J Howard, Jenna L Larson, Malcolm L Snead, James P Simmer

J Cryst Growth· June 2007

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Workshop cluster 1+ gammadelta T-cell receptor T cells from calves express high levels of interferon-gamma in response to stimulation with interleukin-12 and -18.
Sally J Price, Paul Sopp, Christopher J Howard, Jayne C Hope

Immunology· January 2007

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