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P R Willmott

Explore the profile of P R Willmott including associated specialties, affiliations and a list of published articles. Areas
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Articles 18
Citations 266
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Recent Articles
1.
Makita M, Vartiainen I, Mohacsi I, Caleman C, Diaz A, Jonsson H, et al.
Sci Rep . 2019 Jan; 9(1):602. PMID: 30679456
The evolution of bismuth crystal structure upon excitation of its A phonon has been intensely studied with short pulse optical lasers. Here we present the first-time observation of a hard...
2.
Reinle-Schmitt M, Cancellieri C, Cavallaro A, Harrington G, Leake S, Pomjakushina E, et al.
Nanoscale . 2014 Jan; 6(5):2598-602. PMID: 24473287
The properties of single-crystal SrTiO3 substrates and homoepitaxial SrTiO3 films grown by pulsed laser deposition have been compared, in order to understand the loss of interfacial conductivity when more than...
3.
Willmott P, Meister D, Leake S, Lange M, Bergamaschi A, Boge M, et al.
J Synchrotron Radiat . 2013 Aug; 20(Pt 5):667-82. PMID: 23955029
The Materials Science beamline at the Swiss Light Source has been operational since 2001. In late 2010, the original wiggler source was replaced with a novel insertion device, which allows...
4.
Cancellieri C, Reinle-Schmitt M, Kobayashi M, Strocov V, Schmitt T, Willmott P, et al.
Phys Rev Lett . 2013 Apr; 110(13):137601. PMID: 23581372
The interfaces of LaAlO3/SrTiO3 and (LaAlO3)(x)(SrTiO3)(1-x)/SrTiO3 heterostructures have been investigated by soft x-ray photoelectron spectroscopy for different layer thicknesses across the insulator-to-metal interface transition. The valence band and Fermi edge...
5.
Reinle-Schmitt M, Cancellieri C, Li D, Fontaine D, Medarde M, Pomjakushina E, et al.
Nat Commun . 2012 Jul; 3:932. PMID: 22760631
The physical mechanisms responsible for the formation of a two-dimensional electron gas at the interface between insulating SrTiO(3) and LaAlO(3) have remained a contentious subject since its discovery in 2004....
6.
Pauli S, Leake S, Bjorck M, Willmott P
J Phys Condens Matter . 2012 Jun; 24(30):305002. PMID: 22713776
The application of multi-wavelength anomalous diffraction to thin films, interfaces and surface structures is presented. The method directly determines the amplitudes and phases of the complex surface structure factors from...
7.
Cancellieri C, Fontaine D, Gariglio S, Reyren N, Caviglia A, Fete A, et al.
Phys Rev Lett . 2011 Aug; 107(5):056102. PMID: 21867080
We present a direct comparison between experimental data and ab initio calculations for the electrostrictive effect in the polar LaAlO(3) layer grown on SrTiO(3) substrates. From the structural data, a...
8.
Pauli S, Willmott P
J Phys Condens Matter . 2011 Jun; 20(26):264012. PMID: 21694346
Two-dimensional electron gases in semiconductors have found use in applications such as optoelectronics, high-power radio-frequency and magnetoelectronic devices. The ability to grow heterostructures of oxides exhibiting similar effects is a...
9.
Pauli S, Leake S, Delley B, Bjorck M, Schneider C, Schleputz C, et al.
Phys Rev Lett . 2011 Mar; 106(3):036101. PMID: 21405282
The evolution of the atomic structure of LaAlO_{3} grown on SrTiO_{3} was investigated using surface x-ray diffraction in conjunction with model-independent, phase-retrieval algorithms between two and five monolayers film thickness....
10.
Sobott B, Broennimann C, Eikenberry E, Dinapoli R, Kraft P, Taylor G, et al.
J Synchrotron Radiat . 2009 Jun; 16(Pt 4):489-93. PMID: 19535862
A synchrotron beam has been used to investigate the radiation tolerance of a PILATUS II module. It has been demonstrated that radiation-induced threshold shifts become significant above 30 Mrad. Individual...