Simone Anzellini


Beamline Scientist I15
Simone Anzellini is a Beamline Scientist on I15. Simone joined Diamond

as Postdoctoral Research Associate in 2014 after completing his PhD in Physics at

Paris VI (Sorbonne) University and CEA/DAM/DIF. 

Tel: +44 (0) 1235 777669

Latest publications

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  1. Biography
  2. Collaborations
  3. Publications
  4. Research Expertise
Biography -

Simone obtained a MSci in Physics from the University of RomaTre (Rome, IT) in 2010. In 2011 he started his PhD in physics at the CEA-DAM-DIF of Bruyer les Chatel (FR) under the supervision of Dr. Paul Loubeyre. During this period, his main project was the characterization of the phase diagram of iron under extreme conditions of pressure and temperature.

In 2014, Simone started working at Diamond Light Source as PDRA on the extreme condition beamline (I15). During this period, he mainly focussed on the designing, building and commissioning of a laser-heating system for in situ X-ray diffraction experiment in diamond anvil cells. The system is now open to the user community and allows the characterization of material under pressure in the Mbar range and temperatures up to 5000 K.

Collaborations - +
Publications - +

S. Anzellini, A. Dewaele, M. Mezouar, P. Loubeyre and G. Morard, "Melting of Iron at Earth's Inner Core Boundary Based on Fast X-ray Diffraction", Science 340, 464 (2013).

S. Anzellini, A. Dewaele, F. Occelli, P. Loubeyre, M. Mezouar, "Equation of state of rhenium and application for ultra high pressure calibration", J. Appl. Phys. 115, 043511 (2014).

S. Anzellini, D. Errandonea, S. G. MacLeod, P. Botella, D. Daisenberger, J. M. De’Ath, J. Gonzalez-Platas, J. Ibáñez, M. I. McMahon, K. A. Munro, C. Popescu, J. Ruiz-Fuertes, and C. W. Wilson, "Phase diagram of calcium at high pressure and high temperature", Phys. Rev. Mat. 2, 083608 (2018).

S. Anzellini, A.K. Kleppe, D. Daisenberger, M.T. Wharmby, R. Giampaoli, S. Boccato, M.A. Baron, F. Miozzi, D.S. Keeble, A. Ross, S. Gurney, J. Thompson, G. Knap, M. Booth, L. Hudson, D. Hawkins, M.J. Walter and H. Wilhelm, "Laser-heating for high-pressure X-ray diffraction at the Extreme Conditions beamline I15 at Diamond Light Source", J. Synchrotron Rad. 25 (2018).

R.N. Widmer, G.I. Lampronti, S. Anzellini, R. Galliac, S. Farsang, C. Zhou, A.M. Belenguer, H. Palmer, A.K. Kleppe, M.T. Wharmby, S.A.T. Redfern, F.X. Coudert and T.D. Bennett, "Pressure promoted low-temperature melting of metal-organic framework", Nature Materials (2019).

Research Expertise - +

My research interest focus on material under extreme conditions of pressure (P) and temperature (T). I am interested in the characterization of phase diagrams, melting lines and equation of state of metals: in particular of metals of geophysical interest such as Fe, Ni and Co. In pursuit of these interests, I perform experiments with diamond anvil cells (DAC), combined with resistive-heating, laser-heating and cryostat-cooling, using both XRD and XAS technique to characterize the structural, chemical and textural evolution of the sample from atomic and macroscopic length scale.

I am also interested in developing new techniques and methods to push the limits of the metrology used to explore such extreme conditions.

More recently, my research focussed more on the characterization of the phase diagram and equation of state of 5d metals such as Pd, Ir and Re. Their outstanding mechanical and thermal properties such as high yield strength, phase stability and refractory nature, make them extremely important in high pressure technology. An accurate characterization of their physical properties at high P-T will provide important technical information and will push the limits of the present experimental techniques.

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