MAPS science

MAPS was primarily designed to tackle magnetic and structural excitations in single crystals.

With its high resolution, broad energy  range (meV to several eV) coupled to its large detector solid angle coverage ( -20 to +60 degrees in the horizontal plane and ±20 degrees in the vertical plane) MAPS is able to access the Q,Energy regime of many current condensed matter problems in fantastic detail  

The pioneering position sensitive detectors with minimal gaps in the coverage, makes it ideal for single crystal measurement but also increasing useful in addressing high resolution studies of non-dispersive excitations in powders.

For examples of the kind of exemplary science that can be performed on this instrument have a look at the recently published articles by following the e-pubs link to the right, or see the following recent highlights

 

Meng Wang, Chenglin Zhang, Xingye Lu, Guotai Tan, Huiqian Luo, Yu Song, Miaoyin Wang, Xiaotian Zhang, E.A. Goremychkin, T.G. Perring, T.A. Maier, Zhiping Yin, Kristjan Haule, Gabriel Kotliar, Pengcheng Dai, Doping dependence of spin excitations and its correlations with high-temperature superconductivity in iron pnictides, Nature Commun. 4 2874 (2013) [doi:10.1038/ncomms3874]

J. Oh, MD Le, J Jeong, J Lee, H Woo, T.G. Perring, W. J. L. Buyers. S. Cheong, J. Park, Magnon breakdown in a two dimensional triangular lattice Heisenberg antiferromagnet of multiferroic LuMnO3, Phys. Rev. Lett. 111, 257202 (2013) [doi:10.1103/PhysRevLett.111.257202]

GE Johnstone, TG Perring , O Sikora, D Prabhakaran, AT Boothroyd,
Ground state in a half-doped manganite distinguished by neutron spectroscopy
Phys Rev Lett 109 (23) 237202 (2012) [doi:10.1103/PhysRevLett.109.237202]

SF Parker, The role of hydroxyl groups in low temperature carbon monoxide oxidation
Chem Commun 47 (7) 1988 (2011) [doi:10.1039/c0cc04991c]

PW Albers, K Moebus, CD Frost , SF Parker  
Characterization of Beta-Palladium Hydride Formation in the Lindlar Catalyst and in Carbon-Supported Palladium
J Phys Chem C 115 (50) 24485-24493 (2011) [doi:10.1021/jp205951c]

O. J. Lipscombe, G. F. Chen, Chen Fang, T. G. Perring, D. L. Abernathy, A. D. Christianson, Takeshi Egami, Nanlin Wang, Jiangping Hu, and Pengcheng Dai, Spin Waves in the (pi, 0) Magnetically Ordered Iron Chalcogenide Fe(1.05)Te. Phys. Rev. Lett. 106, 057004 (2011)

B Lake,  AM Tsvelik, S Notbohm, , TG Perring, M Reehuis, C Sekar, G Krabbes, B Buechner, Confinement of fractional quantum number particles in a condensed-matter system, Nature Physics 6, 50-55 (2010)

SO Diallo,  VP Antropov, TG Perring (STFC Rutherford Appleton Lab.), C Broholm,  JJ Pulikkotil,  N Ni, et al
Itinerant magnetic excitations in antiferromagnetic CaFe2As2
Phys Rev Lett 102 187206 (2009) [doi: 10.1103/PhysRevLett.102.187206]

OJ Lipscombe, B Vignolle, TG Perring , CD Frost , SM Hayden
Emergence of coherent magnetic excitations in the high temperature underdoped La2-xSrxCuO4 superconductor at low temperatures
Phys Rev Lett 102 167002 (2009) [doi:10.1103/PhysRevLett.102.167002]

G Xu, GD Gu, M Hücker,  B Fauqué, TG Perring , LP Regnault, et al Testing the itinerancy of spin dynamics in superconducting Bi2Sr2CaCu2O8+ Nature Physics 5 642-646 (2009) [doi:10.1038/nphys1360] 

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