P
P.J. Brown
Researcher at Loughborough University
Publications - 82
Citations - 2420
P.J. Brown is an academic researcher from Loughborough University. The author has contributed to research in topics: Neutron diffraction & Magnetization. The author has an hindex of 25, co-authored 82 publications receiving 2239 citations. Previous affiliations of P.J. Brown include Brookhaven National Laboratory.
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The crystal structure and phase transitions of the magnetic shape memory compound Ni2MnGa
P.J. Brown,J. Crangle,Takeshi Kanomata,Minoru Matsumoto,Klaus-Ulrich Neumann,Bachir Ouladdiaf,K.R.A. Ziebeck +6 more
TL;DR: In this paper, high-resolution neutron powder diffraction and single crystal measurements on the ferromagnetic shape memory compound Ni2MnGa have been carried out, which enabled the sequence of transformations which take place when the unstressed, stoichiometric compound is cooled from 400 to 20 K to be established.
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The magnetization distributions in some Heusler alloys proposed as half-metallic ferromagnets
TL;DR: In this article, the magnetization distributions in a series of ternary intermetallic compounds based on the composition Co2 YZ where Y is Ti, Mn or Fe and Z a subgroup-B element have been determined from polarized neutron diffraction measurements.
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Direct observation of a band Jahn-Teller effect in the martensitic phase transition of Ni2MnGa
TL;DR: In this paper, it has been suggested that the structural phase transition is driven by a band Jahn-Teller distortion involving redistribution of electrons between 3d sub-bands of different symmetries.
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Determination of the magnetic structure of Mn3Sn using generalized neutron polarization analysis
TL;DR: In this article, generalized polarization analysis has been used to re-examine the triangular magnetic structure of Mn3Sn. The analysis shows unambiguously that a structure allowing three trigonal domains is necessary to account for the scattered polarizations.
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Zero field neutron polarimetry
TL;DR: CRYOPAD, a novel neutron polarimeter developed at ILL is described using this cryogenic device, precise general polarization analysis could be readily accomplished up to large scattering angles.