Publications 1999-2009

Publications 2010-

(129) Covalent stabilization of the iridium-containing oxyhydrides Sr₂Mn_0.5Ir_0.5O_3.25H_0.75 and Sr₂Mn_0.5Ir_0.5O_2.66H_1.33.
J. I. Murrell and M. A. Hayward.
Inorganic Chemistry, accepted Download

(128) Competition between anion-deficient oxide and oxyhydride phases during the topochemical reduction of LaSrCoRuO₆.
Z. Liang, M. Batuk, F. Orlandi, P. Manuel, J. Hadermann and M. A. Hayward.
Inorganic Chemistry, 63 (2024) 12910. Download

(127) Influence of cation substitution on cycling stability and Fe-cation migration in Li₃Fe_3-xM_xTe₂O₁₂ (M = Al, In) cathode materials.
X. Martinez de Irujo-Labalde, M-Y. Lee, H. Grievson, J-M. Mortimer, S. Booth, E. Suard, S. Cussen and M. A. Hayward.
Inorganic Chemistry, 63 (2024) 1395. Download

(126) Disproportionation of Co²⁺ in the topochemically reduced oxide LaSrCoRuO₅.
Z. Liang, M. Batuk, F. Orlandi, P. Manuel, J. Hadermann and M. A. Hayward.
Angewandte Chemie, 63 (2024) e202313067. Download

(125) Ca₂MnO₃X (X = Cl, Br) oxyhalides with 1-Dimensional ferromagnetic chains of square-planar S = 2 Mn³⁺.
F. Denis Romero, C. Lepoittevin, S. Kodjikian, C. V. Colin and M. A. Hayward.
Journal of the American Chemical Society, 145 (2023) 23346. Download

(124) MnCaTa₂O₇ – a magnetically ordered polar phase prepared via cation exchange.
S. Mallick, F. Orlandi, P. Manuel, W. Zhang, P. S. Halasyamani and M. A. Hayward.
Chemistry of Materials, 35 (2023) 7839. Download

(123) Fluorochemicals from fluorspar via a phosphate-enabled mechanochemical process that bypasses HF.
C. Patel, E. André-Joyaux, J. A. Leitch, X. Martínez de Irujo-Labalde, F. Ibba, J. Struijs, M. A. Ellwanger, R. Paton, D. L. Browne, G. Pupo, S. Aldridge, M. A. Hayward and V. Gouverneur.
Science, 381 (2023) 302. Download

(122) Suppression of Fe-cation migration by indium substitution in LiFe_2-xIn_xSbO₆ cathode materials.
X. Martinez de Irujo-Labalde, H. Grievson, J-M Mortimer, S. G. Booth, A. Scrimshire, P. A. Bingham, E. Suard, S. A. Cussen and M. A. Hayward.
Chemistry of Materials, 35 (2023) 337. Download

(121) Complex magnetic order in topochemically reduced Rh(I)/Rh(III) LaM_0.5Rh_0.5O_2.25 (M = Co, Ni) phases.
Z. Xu, P. Thakur, T-L. Lee, A. Regoutz, E. Suard, I. Puente Orench and M. A. Hayward.
Inorganic Chemistry, 61 (2022) 15686. Download

(120) Crystal and magnetic structures of the Ir(V) J_eff^Ir = 0 double perovskite LaSrNiIrO₆.
X. Martinez de Irujo-Labalde, J. E. Page, H. W. T. Morgan, J. E. McGrady and M. A. Hayward.
Journal of Solid State Chemistry, 315 (2022) 123477. Download

(119) Phase transitions and optical properties of the trigonal perovskite (CH₃NH₃)₂TeCl₆.
Y. Liu, J. K. Cockroft, Z. Chen, M. A. Hayward, P. F. Henry, R. S. Perry and R. G. Palgrave.
Journal of Materials Chemistry C, 10 (2022) 11938. Download

(118) Hybrid Improper Ferroelectricity: A Theoretical, Computational, and Synthetic Perspective.
N. A. Benedek and M. A. Hayward.
Annual Reviews of Materials Research, 52 (2022) 331. Download

(117) Conversion of Li₂FeSbO₅ to the Fe(III)/Fe(V) phase LiFeSbO₅ via topochemical lithium extraction.
X. Martinez de Irujo-Labalde, A. Scrimshire, P. Bingham, E. Suard and M. A. Hayward.
Chemistry of Materials, 34 (2022) 2468. Download

(116) The crystal and defect structures of polar KBiNb₂O₇.
S. Mallick, W. Zhang, M. Batuk, A. S. Gibbs, J. Hadermann, P. S. Halasyamani and M. A. Hayward.
Dalton Transactions, 51 (2022) 1866. Download

(115) Microstructural activation of a topochemical reduction reaction.
Z. Liang, M. Amano Patino, M. Hendrickx, J. Hadermann and M. A. Hayward.
ACS Organic & Inorganic Au, 2 (2022) 75. Download

(114) The influence of the 6s² configuration of Bi³⁺ on the structures of A'BiNb₂O₇ (A’ = Rb, Na, Li) layered perovskite oxides.
S. Mallick, G. Khalsa, J. Z. Kaaret, W. Zhang, M. Batuk, A. S. Gibbs, J. Hadermann, P. S. Halasyamani, N. A. Benedek and M. A. Hayward.
Dalton Transactions, 50 (2021) 15359. Download

(113) Hole and Electron Doping of Topochemically Reduced Ni(I)/Ru(II) Insulating Ferromagnetic Oxides.
Z. Xu, L. Jin, J-K Backhaus, F. Green and M. A. Hayward.
Inorganic Chemistry, 60 (2021) 14904. Download

(112) Perspectives for Next Generation Lithium-ion Battery Cathode Materials.
S. G. Booth, A. J. Nedoma, S. J. Clarke, V. Falkowski, M. A. Hayward, X. Martinez de Irujo-Labalde, S. A. Cussen et al.
APL Materials, 9 (2021) 109201. Download

(111) Directed synthesis of a hybrid improper magnetoelectric multiferroic material.
T. Zhu, F. Orlandi, P. Manuel, A. S. Gibbs, W. Zhang, P. S. Halasyamani and M. A. Hayward.
Nature Communications, 12 (2021) 4945. Download

(110) Switching between proper and hybrid-improper polar structures via cation substitution in A₂La(TaTi)O₇ (A = Li, Na).
S. Mallick, A. D. Fortes, W. Zhang, P. S. Halasyamani and M. A. Hayward.
Chemistry of Materials, 33 (2021) 2666. Download

(109) The polar structures of KNdNb₂O₇ and KNdTa₂O₇.
S. Mallick, A. S. Gibbs, W. Zhang, P. S. Halasyamani, N. A. Benedek and M. A. Hayward.
Chemistry of Materials, 32 (2020) 7965. Download

(108) LaSrCo_0.5Rh_0.5O_3.25 and LaSrNi_0.5Rh_0.5O_3.25: topochemically reduced, mixed valence Rh(I)/Rh(III) oxides.
Z. Xu, R. G. Palgrave and M. A. Hayward.
Inorganic Chemistry, 59 (2020) 13767. Download

(107) Structure and Magnetism of the Rh⁴⁺-containing perovskite oxides La_0.5Sr_0.5Mn_0.5Rh_0.5O₃ and La_0.5Sr_0.5Fe_0.5Rh_0.5O₃.
N. Hasanli, A. Scrimshire, P. A. Bingham, R. G. Palgrave and M. A. Hayward.
Dalton Transactions, 49 (2020) 11346. Download

(106) Complex structural phase transitions of the hybrid improper polar Dion-Jacobson oxides RbNdM₂O₇ and CsNdM₂O₇ (M = Nb, Ta).
T. Zhu, A. S. Gibbs, N. A. Benedek and M. A. Hayward.
Chemistry of Materials, 32 (2020) 4340. Download

(105) Preparation of the noncentrosymmetric ferrimagnetic phase La_0.9Ba_0.1Mn_0.96O_2.43 by topochemical reduction.
T. G. Parsons, J. Hadermann, P. S. Halasyamani and M. A. Hayward.
Journal of Solid State Chemistry, 287 (2020) 121356. Download

(104) Evidence of paracrystalline cation order in the Ruddlesden–Popper phase LaSr₃NiRuO₈ through neutron total scattering techniques.
M. L. Robinson, E. Whitaker, L. Jin, M. A. Hayward and G. Laurita.
Inorganic Chemistry, 59 (2020) 3026. Download

(103) A structurally characterized cobalt(I) σ–alkane complex.
T. M. Boyd, B. Tegner, G. Tizzard, A. Martinez-Martinez, S. Neale, M. A. Hayward, S. Coles, S. Macgregor and A. S. Weller.
Angewandte Chemie, 59 (2020) 6177. Download

(102) Hole and electron doping of the 4d transition-metal oxyhydride LaSr₃NiRuO₄H₄.
L. Jin and M. A. Hayward.
Angewandte Chemie, 59 (2020) 2076. Download

(101) Pressure-induced transitions in the 1-dimensional vanadium oxyhydrides Sr₂VO₃H and Sr₃V₂O₅H₂, and comparison to 2-dimensional SrVO₂H.
T. Yamamoto, H. W. T. Morgan, D. Zeng, T. Kawakami, M. Amano Patino, M. A. Hayward, H Kageyama and J. E. McGrady.
Inorganic Chemistry, 58 (2019) 15393. Download

(100) Exsolution of SrO during the topochemical conversion of LaSr₃CoRuO₈ to the oxyhydride LaSr₃CoRuO₄H₄.
L. Jin, M. Batuk, F. K. K. Kirschner, F. Lang, S. J. Blundell, J. Hadermann and M. A. Hayward.
Inorganic Chemistry, 58 (2019) 14863. Download

(99) Synthesis and magnetism of extended solids containing transition-metal cations in square-planar, MO₄ coordination sites.
M. A. Hayward.
Inorganic Chemistry, 58 (2019) 11961. Download

(98) CaMn_0.5Ir_0.5O_2.5 – an anion-deficient perovskite oxide containing Ir³⁺.
J. E. Page and M. A. Hayward.
Inorganic Chemistry, 58 (2019) 8835. Download

(97) Structure and magnetism of (La/Sr)₂M_0.5Ir^V_0.5O₄ and topochemically reduced (La/Sr)₂M_0.5Ir^II_0.5O₃ (M = Fe, Co) complex oxides.
J. E. Page and M. A. Hayward.
Inorganic Chemistry, 58 (2019) 6336. Download

(96) Rhodium-containing oxide-hydrides: covalently stabilized mixed-anion solids.
L. Jin and M. A. Hayward.
Chemical Communications, 55 (2019) 4861. Download

(95) Cation exchange as a mechanism to engineer polarity in layered perovskites.
T. Zhu, G. Khalsa, D. M. Havas, A. S. Gibbs, W. Zhang, P. S. Halasyamani, N. A. Benedek and M. A. Hayward.
Chemistry of Materials, 30 (2018) 8915. Download

(94) Small-moment paramagnetism and extensive twinning in the topochemically reduced phase Sr₂ReLiO_5.5.
N. Hasanli, N. Gauquelin, J. Verbeeck, J. Hadermann and M. A. Hayward.
Dalton Transactions, 47 (2018) 15783. Download

(93) Sr₂FeIrO₄: square-planar Ir(II) in an extended oxide.
J. E. Page, H. W. T. Morgan, D. Zeng, P. Manuel, J. E. McGrady and M. A. Hayward.
Inorganic Chemistry, 57 (2018) 13577. Download

(92) Chemical pressure-induced anion order-disorder transition in LnHO enabled by hydride size flexibility.
H. Yamashita, T. Broux, Y. Kobayashi, F. Takeiri, H. Ubukata, T. Zhu, M. A. Hayward, K. Fujii, M. Yashima, K. Shitara, A. Kuwabara, T. Murakami, H. Kageyama.
Journal of the American Chemical Society, 140 (2018) 11170. Download

(91) Doped Sr₂FeIrO₆ – phase separation and a J_eff ≠ 0 state for Ir⁵⁺.
J. E. Page, C. V. Topping, A. Scrimshire, P. A. Bingham, S. J. Blundell and M. A. Hayward.
Inorganic Chemistry, 57 (2018) 10303. Download

(90) LaSr₃NiRuO₄H₄: A 4d transition-metal oxide-hydride containing metal hydride sheets.
L. Jin, M. Lane, D. Zeng, F. K. K. Kirschner, F. Lang, P. Manuel, S. J. Blundell, J. E. McGrady and M. A. Hayward
Angewandte Chemie, 57 (2018) 5025. Download

(89) Extreme sensitivity of a topochemical reaction to cation substitution: SrVO₂H vs SrV_1-xTi_xO_1.5H_1.5.
M. Amano Patino, D. Zeng, S. J. Blundell, J. E. McGrady and M. A. Hayward
Inorganic Chemistry, 57 (2018) 2890. Download

(88) Theory and neutrons combine to reveal a family of layered perovskites without inversion symmetry.
T. Zhu, T. Cohen, A. Gibbs, W. Zhang, P. S. Halasyamani, M. A. Hayward and N. A. Benedek
Chemistry of Materials, 29 (2017) 9489. Download

(87) The role of π-blocking hydride ligands in a pressure-induced insulator-to-metal phase transition in SrVO₂H.
T. Yamamoto, D. Zeng, T. Kawakami, V. Arcisauskaite, K. Yata, M. Amano Patino, N. Izumo, J. E. McGrady, H. Kageyama and M. A. Hayward
Nature Communications, 8 (2017) 1217. Download

(86) Structural modification of the cation-ordered Ruddlesden-Popper phase YSr₂Mn₂O₇ by cation exchange and anion insertion
R. Zhang, A. Gibbs, W. Zhang, P. S. Halasyamani and M. A. Hayward
Inorganic Chemistry, 56 (2017) 9988. Download

(85) Topochemical reduction of YMnO₃ into a composite structure.
H. Kabbour, G. Gauthier, F. Tessier, M. Huvé, T. Pussacq, P. Roussel, M. A. Hayward, Z. L. Moreno B., M. Marinova, M. Colmont, S. Colis and O. Mentré
Inorganic Chemistry, 56 (2017) 8547. Download

(84) Local structure study of the orbital order/disorder transition in LaMnO₃.
P. M. M. Thygesen, C. A. Young, E. O. R. Beake, F. Denis Romero, L. D. Connor, T. E. Proffen, A. E. Phillips, M. G. Tucker, M. A. Hayward, D. A. Keen and A. L. Goodwin
Physical Review B, 95 (2017) 174107. Download

(83) Characterization of mechanosynthesized Bi_1-xSm_xFeO₃ samples unencumbered by secondary phases or compositional inhomogeneity.
E. Gil-González, A. Perejón, P. E. Sánchez-Jiménez, M. A. Hayward, J. E. Criado, M. J. Sayagués and L. A. Pérez-Maqueda
Journal of Alloys and Compounds, 711 (2017) 541. Download

(82) Identifying the local structural units in La_0.5Ba_0.5MnO_2.5 and BaY_0.25Fe_0.75O_2.5 through the neutron pair distribution function.
G. King, C. M. Thompson, K. Luo, J. E. Greedan and M. A. Hayward
Dalton Transactions, 46 (2017) 1145. Download

(81) Orbital dimer model for a spin-glass state in Y₂Mo₂O₇.
P. M. M. Thygesen, J. A. M. Paddison, R. Zhang, K. A. Beyer, K. W. Chapman, H. Y. Playford, M. G. Tucker, D. A. Keen, M. A. Hayward and A. L. Goodwin
Physical Review Letters, 118 (2017) 067201. Download

(80) Preparation of ytterbium substituted BiFeO₃ multiferroics by mechanical activation.
E. Gil-González, A. Perejón, P. E. Sánchez-Jiménez, M. A. Hayward and L. A. Pérez-Maqueda
Journal of the European Ceramic Society, 37 (2017) 945. Download

(79) Directed lifting of inversion symmetry in Ruddlesden-Popper oxide-fluorides – toward ferroelectric and multiferroic behavior.
R. Zhang, M. S. Senn and M. A. Hayward
Chemistry of Materials, 28 (2016) 8399. Download

(78) A Coupled Electronic and Magnetic Phase Transition in the Infinite-Layer Phase LaSrNiRuO₄.
M. Amano Patino, D. Zeng, R. Bower, J. E. McGrady and M. A. Hayward
Inorganic Chemistry, 55 (2016) 9012. Download

(77) La₂SrCr₂O₇: Controlling the tilting distortions of n = 2 Ruddlesden-Popper phases through A-site cation order.
R. Zhang, B. M. Abbett, G. Read, F. Lang, T. Lancaster, T. T. Tran, P. S. Halasyamani, S. J. Blundell, N. A. Benedek and M. A. Hayward
Inorganic Chemistry, 55 (2016) 8951. Download

(76) “Ba₆Nb₄RuO₁₈” and “LaBa₄Nb₃RuO₁₅” – The structural consequences of substituting paramagnetic cations into A_nB_n-1O_3n cation-deficient perovskite oxides.
E. L. Kamil, H. W. T. Morgan and M. A. Hayward
Journal of Solid State Chemistry, 238 (2016) 267. Download

(75) La₂SrCr₂O₇F₂ - A Ruddlesden-Popper oxyfluoride containing octahedrally coordinated Cr⁴⁺ centers.
R. Zhang, G. Read, F. Lang, T. Lancaster, S. J. Blundell and M. A. Hayward
Inorganic Chemistry, 55 (2016) 3169. Download

(74) Diamagnetic Ru²⁺ in Na₂La₂Ti₂RuO_10-x (0 < x < 2): a series of complex oxides prepared by topochemical reduction.
J. A. Pratt, A. M. Shepherd and M. A. Hayward
Inorganic Chemistry, 54 (2015) 109993. Download

(73) K₄Fe₃F₁₂: An Fe²⁺/Fe³⁺ charge-ordered, ferrimagnetic fluoride with a cation-deficient, layered perovskite structure.
S. W. Kim, R. Zhang, P. S. Halasyamani and M. A. Hayward
Inorganic Chemistry, 54 (2015) 6647. Download

(72) Reductive lithium insertion into B-cation deficient niobium perovskite oxides.
A. Perejon and M. A. Hayward
Dalton Transactions, 44 (2015) 10636. Download

(71) Ca₂Cr_0.5Ga_1.5O₅ – An extremely redox-stable brownmillerite phase.
K. Luo, M. Amano Patino and M. A. Hayward
Journal of Solid State Chemisty, 222 (2015) 71. Download

(70) Cation exchange in a 3D perovskite – synthesis of Ni_0.5TaO₃.
M. Amano Patino, T. Smith, W. Zhang, P. S. Halasyamani and M. A. Hayward
Inorganic Chemistry, 53 (2014) 8020. Download

(69) Strontium vanadium oxide-hydrides: ‘square-planar’ two-electron phases.
F. Denis Romero, A. Leach, J. S. Möller, F. Foronda, S. J. Blundell and M. A. Hayward
Angewandte Chemie, 53 (2014) 7556. Download

(68) Topochemical reactions of layered transition-metal oxides.
M. A. Hayward
Semiconductor Science and Technology, 29 (2014) 64010. Download

(67) Stoichiometry dependent Co³⁺ spin-state in La_xSr_2-xCoGaO_5+d brownmillerite phases.
K. Luo and M. A. Hayward
Dalton Transactions, 43 (2014) 1571. Download

(66) Synthesis and selective topochemical fluorination of the cation and anion-vacancy ordered phases Ba₂YCoO₅ and Ba₃YCo₂O_7.5.
K. Luo, T. T. Tran, P. S. Halasyamani and M. A. Hayward
Inorganic Chemistry, 52 (2013) 13762. Download

(65) Topochemical reduction of the Ruddlesden-Popper phases Sr₂Fe_0.5Ru_0.5O₄ and Sr₃(Fe_0.5Ru_0.5)₂O₇
F. Denis Romero, D. Gianolio, G. Cibin, P. A. Bingham, J-C. d’Hollander, S. D. Forder and M. A. Hayward
Inorganic Chemistry, 52 (2013) 10920. Download

Soft chemistry synthesis of oxides.
M. A. Hayward
Comprehensive Inorganic Chemistry II, Eds. J. Reedijk and K. R. Poeppelmeier, Elsevier (Oxford), Vol. 2 (2013) 417. Download

(64) Ba₂YFeO_5.5 – A ferromagnetic pyroelectric phase prepared by topochemical oxidation
K. Luo, R. D. Johnson, T. T. Tran, P. S. Halasyamani, P. G. Radaelli and M. A. Hayward
Chemistry of Materials, 25 (2013) 1800. Download

(63) Topochemical fluorination of Sr₃(M_0.5Ru_0.5)₂O₇ (M = Ti, Mn, Fe) n = 2 Ruddlesden-Popper phases
F. Denis Romero, P. A. Bingham, S. D. Forder and M. A. Hayward
Inorganic Chemistry, 52 (2013) 3388. Download

(62) SrFe_0.5Ru_0.5O₂: Square-planar Ru²⁺ in an extended oxide
F. Denis Romero, S. J. Burr, J. E. McGrady, D. Gianolio, G. Cibin and M. A. Hayward
Journal of the American Chemical Society, 135 (2013) 1838. Download

(61) The synthesis and characterisation of LaCa₂Fe₂GaO₈
K. Luo and M. A. Hayward
Journal of Solid State Chemistry, 198 (2013) 203. Download

(60) Complex cation order in anion-deficient Ba_nYFe_n-1O_2.5n perovskite phases
K. Luo and M. A. Hayward
Inorganic Chemistry, 51 (2012) 12281. Download

(59) The structure and magnetism of Sr₃Co₂O₄Cl₂ – An electronically driven lattice distortion in an oxychloride containing square planar Co^II centers
F. Denis Romero, L. Coyle and M. A. Hayward
Journal of the American Chemical Society, 134 (2012) 15946. Download

(58) The structure and magnetism of the topotactically reduced oxychloride Sr₄Mn₃O_6.5Cl₂
F. Denis Romero and M. A. Hayward
Inorganic Chemistry, 51 (2012) 5325. Download

(57) The structures and magnetism of La_1-xSr_xMnO_3-(0.5+x)/2 (0.67 < x < 1) phases
E. Dixon, J. Hadermann and M. A. Hayward
Chemistry of Materials, 24 (2012) 1486. Download

(56) Reverse Monte Carlo study of apical Cu-O bond distortions in YBa₂Cu₃O_6.93
C. A. Young, E. Dixon, M. G. Tucker, D. A. Keen, M. A. Hayward and A. L. Goodwin
Zeitschrift fuer Kristallographie, 227 (2012) 280. Download

(55) Mn(I) in an extended oxide - The synthesis and characterization of La_1-xCa_xMnO_2+d (0.6 < x < 1)
E. Dixon, J. Hadermann, S. Ramos, A. L. Goodwin and M. A. Hayward
Journal of the American Chemical Society, 133 (2011) 18397. Download

(54) ‘A’ cation polarity control in ACuTe₂O₇ (A = Sr²⁺, Ba²⁺, or Pb²⁺)
J. Yeon, S-H Kim, M. A. Hayward and P. S. Halasyamani.
Inorganic Chemistry, 50 (2011) 8663. Download

(53) Suppression of magnetic order in Sr₃Fe₂O₄Cl₂ by Fe-site substitution by cobalt
E. Dixon and M. A. Hayward
Inorganic Chemistry, 50 (2011) 7250. Download

(52) The synthesis and complex anion-vacancy ordered structure of La_0.33Sr_0.67MnO_2.42
E. Dixon, J. Hadermann and M. A. Hayward
Journal of Solid State Chemistry, 184 (2011) 1791. Download

(51) Sr₃Co₂O_4.33H_0.84 – An extended transition metal oxide-hydride
R. M. Helps, N. H. Rees and M. A. Hayward
Inorganic Chemistry, 49 (2010) 11062. Download

(50) The topotactic reduction of Sr₃Fe₂O₅Cl₂ – square planar Fe(II) in an extended oxyhalide
E. Dixon and M. A. Hayward
Inorganic Chemistry, 49 (2010) 9649. Download

(49) Noncentrosymmetric cation order in the cubic perovskite Ba₄CaFe₃O_9.5
S. A. Turp, J. Hargreaves, J. Baek, P. S. Halasyamani and M. A. Hayward
Chemistry of Materials, 22 (2010) 5580. Download

(48) Topotactic reduction as a synthetic route for the preparation of low-dimensional Mn(II) oxide phases : The structure and magnetism of LaAMnO_4-x (A = Sr, Ba)
H. J. Kitchen, I. Saratovsky and M. A. Hayward
Dalton Transactions, 39 (2010) 6098. Download

(47) The topotactic reduction of YBaCo₂O₅ and LaBaCo₂O₅ – square-planar Co(I) in an extended oxide
J. Seddon, E. Suard and M. A. Hayward
Journal of the American Chemical Society, 132 (2010) 2802. Download