2020
Misfit phase (BiSe)1.10NbSe2 as the origin of superconductivity in niobium-doped bismuth selenide
M. E. Kamminga, M. Batuk, J. Hadermann and S. J. Clarke,
Communications Materials 1 82 (2020).
Cation site preferences in layered oxide chalcogenides, synthesis, structures and magnetic ordering in Sr3-xCaxFe2O5Cu2Ch2 (Ch = S, Se; x = 1, 2)
B. Sheath, S. J. Cassidy and S. J. Clarke
J. Solid State Chem. 293 121761 (2021).
Magnetic Ordering in the Layered Cr(II) Oxide Arsenides Sr2CrO2Cr2As2 and Ba2CrO2Cr2As2
X. Xu, M. A. Jones, S. J. Cassidy, P. Manuel, F. Orlandi, M. Batuk, J. Hadermann, and S. J. Clarke,
Inorg. Chem. 59 15898–15912 (2020) .
2019
Single phase charge ordered stoichiometric CaFe3O5 with commensurate and incommensurate trimeron ordering
S. J. Cassidy, F. Orlandi, P. Manuel and S. J. Clarke,
Nature Commun. 10 5475 (2019).
In-situ Electrochemical X-ray Diffraction: A Rigorous Method to Navigate within Phase Diagrams Reveals Fe1+xSe as Superconductor for All x
B. Rasche, M. Yang, L. Nikonow, J. F. K. Cooper, C. A. Murray, S. J. Day, K. Kleiner, S. J. Clarke and R. G. Compton
Angew. Chem. 58 15401-15406 (2019).
Synthesis, Structure, and Compositional Tuning of the Layered Oxide Tellurides Sr2MnO2Cu2–xTe2 and Sr2CoO2Cu2Te2
J. N. Blandy, D. R. Parker, S. J. Cassidy, D. N. Woodruff, X. Xu and S. J. Clarke,
Inorg. Chem. 58 8140-8150 (2019).
Layered CeSO and LiCeSO Oxide Chalcogenides Obtained via Topotactic Oxidative and Reductive Transformations
S. J. Cassidy, M. J. Pitcher, J. J. K. Lim, J. Hadermann, J. P. Allen, G. W. Watson, S. Britto, E. J. Chong, D. G. Free, C. P. Grey, and S. J. Clarke,
Inorg. Chem. 58 3838-3850 (2019).
2018
Synthesis, structure and properties of the layered oxide chalcogenides Sr2CuO2Cu2S2 and Sr2CuO2Cu2Se2
J. N. Blandy, C. F. Smura, S. Liu, S. J. Cassidy, D. N. Woodruff, J. E. McGrady, S. J. Clarke,
Inorg. Chem. 57 15379-15388 (2018).
Magnetic ordering in the layered oxyselenides Sr2CoO2Ag2Se2 and Ba2CoO2Ag2Se2
S. J. C. Herkelrath, J. N. Blandy, S. J. Clarke,
J. Solid State Chem. 264 119-123 (2018).
Complex magnetic ordering in the oxide selenide Sr2Fe3Se2O3S
S. J. Cassidy, F. Orlandi, P. Manuel, J. Hadermann, A. Scrimshire, P. A. Bingham and S. J. Clarke,
Inorg. Chem. 57 10312-10322 (2018).
2017
Suppression of electronic correlations by chemical pressure from FeSe to FeS
P. Reiss, M. D. Watson, T. K. Kim, A. A. Haghighirad, D. N. Woodruff, M. Bruma, S. J. Clarke, A. I. Coldea,
Phys. Rev. B 96 121103(R) (2017).
Coexistence of magnetism and superconductivity in separate layers of the iron-based superconductor Li1-xFex(OH)Fe1-ySe
C V Topping, F K K Kirschner, S J Blundell, P J Baker, D N Woodruff, F Schild, H Sun, S J Clarke,
Phys. Rev. B 95 134419(2017).
Synthesis and magnetic structure of the layered manganese oxide selenide Sr2MnO2Ag1.5Se2.
J N Blandy, J C Boskovic, S J Clarke,
J. Solid State Chem. 245 61-66 (2017).
2016
Robustness of superconductivity to competing magnetic phases in tetragonal FeS.
F K K Kirschner, F Lang, C V Topping, P J Baker, F L Pratt, S E Wright, D N Woodruff, S J Clarke, S J Blundell,
Phys. Rev. B 94 134509 (2016).
Spin resonance in the superconducting state of Li1-xFexODFe1-ySe observed by neutron spectroscopy.
N R Davies, M C Rahn, H C Walker, R A Ewings, D N Woodruff, S J Clarke, A T Boothroyd,
Phys. Rev. B 94 144503 (2016).
Complex Microstructure and Magnetism in Polymorphic CaFeSeO.
S J Cassidy, M Batuk, D Batuk, J Hadermann, D N Woodruff, A L Thompson, S J Clarke,
Inorg. Chem. 55 10714-10726 (2016).
The Parent Li(OH)FeSe Phase of Lithium Iron Hydroxide Selenide Superconductors.
D N Woodruff, F Schild, C V Topping, S J Cassidy, J N Blandy, S J Blundell, A L Thompson, S J Clarke,
Inorg. Chem. 55 9886–9891 (2016).
2015
Robustness of superconductivity to structural disorder in Sr0.3(NH2)y(NH3)1-yFe2Se2.
F R Foronda, S Ghannadzadeh, S J Sedlmaier, J D Wright, K Burns, S J Cassidy, P A Goddard, T Lancaster, S J Clarke, S J Blundell,
Phys. Rev. B 92 134517 (2015).
Soft chemical control of the crystal and magnetic structure of a layered mixed valent manganite oxide sulfide.
J N Blandy, A M Abakumov, K E Christensen, J Hadermann, P Adamson, S J Cassidy, S Ramos, D G Free, H Cohen, D N Woodruff, A L Thompson and S J Clarke,
APL Materials 3 041520 (2015).
Strong (pi; 0) spin Fluctuations in beta-FeSe observed by neutron spectroscopy.
M C Rahn, R A Ewings, S J Sedlmaier, S J Clarke, and A T Boothroyd
Phys. Rev. B 91 180501(R) (2015).
Controlling parameters for superconductivity in layered lithium iron hydroxide selenides.
H Sun, D N Woodruff, S J Cassidy, G M Allcroft, S J Sedlmaier, A L Thompson, P A Bingham, S D Forder, S Cartenet, N Mary, S Ramos, F R Foronda, B H Williams, X. Li, S J Blundell, S J Clarke,
Inorg. Chem. 54 1958–1964 (2015).
2014
Ammonia-Rich High-Temperature Superconducting Intercalates of Iron Selenide Revealed through Time-Resolved in Situ X-ray and Neutron Diffraction.
S J Sedlmaier, S J Cassidy, R G Morris, M Drakopoulos, C Reinhard, S J Moorhouse, D O’Hare, P Manuel, D Khalyavin, S J Clarke,
J. Am. Chem. Soc. 136, 630-633 (2014).
Local structure of sodium- and iron-deintercalated NaFeAs
2013
Enhancement of the superconducting
transition temperature of FeSe by intercalation of a molecular spacer layer.
M
Burrard-Lucas, D G Free,
S J Sedlmaier,
J D Wright, S J Cassidy, Y Hara, A J
Corkett, T
Lancaster, P J Baker, S J Blundell, S J Clarke,
Nature Materials
12,
15-19,
(2013).
Magnetic
fluctuations and spin freezing in nonsuperconducting LiFeAs derivatives
J D Wright, M J Pitcher, W Trevelyan-Thomas, T
Lancaster, P J Baker, F L Pratt, S J Clarke, and S J Blundell, Phys. Rev.
B 88, 060401(R) (2013). Spin fluctuations away from (π,0) in the
superconducting phase of molecular-intercalated FeSe A E Taylor, S
J Sedlmaier, S J Cassidy, E A Goremychkin, R A Ewings, T G
Perring, S J Clarke, A T Boothroyd, Phys. Rev. B 87,
220508(R), (2013).
2012
Sr2Mn2O4Se: A New Oxychalcogenide with
Antiferromagnetic Chains D G Free, S J
Herkelrath, S J Clarke, Z. Anorg. Allg. Chem. 638, 2532–2537 (2012).
Competing magnetic
structures and the evolution of copper ion/vacancy ordering with composition
in the manganite oxide chalcogenides Sr2MnO2Cu1.5(S1−xSex)2
P Adamson, J Hadermann, C F Smura, O J Rutt, G Hyett, D G Free, S J Clarke,
Chem. Mater.
24,
2802–2816. (2012)
10.1021/cm301486v
The gradual destruction of magnetism in the superconducting family NaFe1−xCoxAs.
J D Wright, T Lancaster, I Franke, A J Steele, J S Möller, M J Pitcher, A J
Corkett, D G Free, D R Parker, F L Pratt, P J Baker, S J Clarke, and S J
Blundell,
Physical
Review B 85,
054503
(2012).
2011
Antiferromagnetic spin fluctuations in LiFeAs
observed by neutron scattering.
A E
Taylor, M J Pitcher, R A
Ewings, T G Perring, S J
Clarke and A T Boothroyd,
Physical
Review B 83,
220514(R) (2011).
High spin cobalt(II) ions in square planar coordination:
structures and magnetism of the oxysulfides Sr2CoO2Cu2S2,
Ba2CoO2Cu2S2 and their solid
solution.
C F Smura, D R Parker, M Zbiri, M R Johnson, Z A Gál, and S J
Clarke, Journal of the American Chemical Society
133, 2691 (2011).
Structure, magnetism and superconductivity of the
layered iron arsenides Sr1−xNaxFe2As2.
R Cortes-Gil and S J Clarke, Chemistry of Materials
23, 1009 (2011).
2010
The indifference of superconductivity and magnetism to
size-mismatched cations in the layered iron arsenides Ba1-xNaxFe2As2
R
Cortes-Gil, D R Parker, M J Pitcher, J Hadermann and S J Clarke,
Chemistry
of Materials
22,
4304 (2010).
2009
Stoichiometric CeOCuS – a well-behaved Ce(III) layered
oxysulfide M J Pitcher, C F Smura and S J Clarke, Inorganic
Chemistry 130 14426 (2009).
Download
Structure, antiferromagnetism and superconductivity of the
layered iron arsenide NaFeAs D R Parker, M J Pitcher, P J Baker, I Franke, T
Lancaster,
S J Blundell and S J Clarke, Chemical Communications
2189 (2009).
Download
Response of superconductivity and crystal structure of
LiFeAs to hydrostatic pressure M Mito, M J Pitcher, W Crichton, G Garbarino,
P J Baker, S J Blundell, P Adamson, D R Parker and S J Clarke, Journal of
the American Chemical Society 131 2986 (2009).
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Enhancement of Superfluid Stiffness, Suppression of
Superconducting Tc and Field-induced Magnetism in the Pnictide Superconductor
LiFeAs F L Pratt, P J Baker, S J Blundell, T Lancaster, H J Lewtas, P
Adamson, M J Pitcher, D R Parker and S J Clarke
Physical Review B 79
052508 (2009).
Download
2008
High-energy spin excitations in BaFe2As2 observed by
inelastic neutron scattering R A Ewings, T G Perring, R I Bewley,
M J Pitcher, D R Parker, S J Clarke and A T Boothroyd, Physical Review B
78 220501 (2008).
Download
Fragmentation of an infinite ZnO2 square plane
into discrete [ZnO2]2− linear units in the oxyselenide Ba2ZnO2Ag2Se2
S J C Herkelrath, I Saratovsky, J Hadermann, and S J Clarke, Journal of
the American Chemical Society 130 14426 (2008).
Download
Structure and superconductivity of LiFeAs
M J Pitcher, D R
Parker, P Adamson, S J C Herkelrath, A T Boothroyd, R M Ibberson, M Brunelli and
S J Clarke, Chemical Communications 5918 (2008).
Download
Structures, physical properties and chemistry of layered
oxychalcogenides and oxypnictides. S J Clarke, P Adamson, S J C Herkelrath, O
J Rutt, D R Parker, M J Pitcher and C F Smura, Inorganic Chemistry
47 8473 (2008).
Download
Ba2Mn2O4Cu0.9S
– a layered oxysulfide with a new perovskite-related manganese oxide
fragment. G Hyett, Z A Gál, C F Smura and S J Clarke, Chemistry of
Materials 20 559 (2008).
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2007
Topotactic oxidative and reductive control of the structures and properties
of layered manganese oxychalcogenides G Hyett, N Barrier, S J Clarke and J
Hadermann
Journal of the American Chemical Society 129 11192 (2007).
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Cation
defective layered Ruddlesden-Popper-related oxysulfides La2LnMS2O5
(Ln = La, Y; M = Nb, Ta) L Cario, A Florin Popa, A Lafond, C Guillot-Deudon, H Kabbour, A Meerschaut, S J Clarke and P Adamson
Inorganic Chemistry 46,
9584 (2007).
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Structure and
physical properties of the polar oxysulfide CaZnOS T Sambrook, C F Smura, S J Clarke, K M Ok and P S Halasyamani
Inorganic Chemistry 46 2571 (2007).
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2001-2006
Layered Oxysulfides Sr2MnO2Cu2m-0.5Sm+1 (m = 1, 2, and 3) as Insertion Hosts for
Li Ion Batteries S Indris, J Cabana, O J Rutt, S J Clarke and C P Grey
Journal of the American Chemical Society 128 13354 (2006).
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Structural Chemistry and Metamagnetism of an Homologous Series of Layered Manganese Oxysulfides
Z A Gál, O J Rutt, C F Smura, T P Overton, N Barrier, S J Clarke and J Hadermann
Journal of the American Chemical Society 128 8530 (2006).
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Vertex-Linked ZnO2S2 Tetrahedra in the Oxysulfide BaZnOS: a New Coordination Environment for Zinc in a Condensed Solid
S Broadley, Z A Gál, F Corà, C F Smura, and S J Clarke
Inorganic Chemistry 44 9092 (2005).
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Synthesis and Structure of
Alkaline Earth Silicon Nitrides: BaSiN2, SrSiN2 and CaSiN2 Z A Gál, P M Mallinson, H J Orchard and S J Clarke
Inorganic Chemistry 43 3998 (2004).
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The first ternary tin (II) nitride: NaSnN N S P Watney, Z A Gál, M D S Webster
and S J Clarke
Chemical Communications
4190 - 4192 (2005)
Synthesis and Structure of b-Ca3Ga2N4, a ternary nitride with two interpenetrating nets. S J Clarke and F J DiSalvo Journal of Alloys Compounds 274 118 (1998)
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