Details of Grant 

EPSRC Reference:	EP/J018147/1
Title:	Mapping magnetic anisotropy: rational design of high-blocking temperature nanomagnets
Principal Investigator:	Murrie, Professor M
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department:	School of Chemistry
Organisation:	University of Glasgow
Scheme:	Standard Research
Starts:	14 January 2013	Ends:	30 June 2016	Value (£):	342,395
EPSRC Research Topic Classifications:	Chemical Synthetic Methodology Co-ordination Chemistry
EPSRC Industrial Sector Classifications:	Information Technologies
Related Grants:
Panel History:	Panel Date Panel Name Outcome 18 Apr 2012 EPSRC Physical Sciences Chemistry - April 2012 Announced
Summary on Grant Application Form
Magnetic materials are all around us in everyday life and we rely on devices that store data without a second thought, expecting the next gadget to be smaller and with an increased storage capacity. The materials used to store data are made using a 'top-down' approach: magnetic particles made in this way can not continue to decrease in size indefinitely, as thermally activated magnetization reversal will lead to data loss. However, using a 'bottom-up' approach, we can produce magnetic molecules, which are easy to synthesise, cheap and are monodisperse. Hence, we can envisage information storage at ultra-high Pbit / in2 densities, by using a self-assembled array of molecular bits on a surface, with each molecule just a few nanometres in size. Although these molecules are easy to synthesise, current approaches afford little control over the structure of the molecule and hence, limited control over the resultant magnetic properties. Therefore, these potentially fascinating molecules display their interesting magnetic properties only at very low temperatures. To increase the so-called blocking temperature, we need to develop much greater level of control. The key requirement is that the molecule has a large easy-axis magnetic anisotropy associated with the spin ground state. However, the rules for controlling the anisotropy of magnetic molecules are not well understood. By synthesising families of these molecules and tuning the structure, along with detailed magnetic measurements and theoretical calculations, we will develop the magnetostructural correlations that determine the overall anisotropy. Hence, we will tune and increase the magnetic anisotropy, providing an unprecedented level of control in the production of high-blocking temperature magnetic molecules.
Key Findings
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