Gillian Anne Gehring: C.V.

Address: Department of Physics and Astronomy, University of Sheffield, Hicks Building, Sheffield S3 7RH   Telephone: 0114 222 4299   Fax: 0114 222 3555 Email: G.Gehring@Sheffield.ac.uk

Born:                 19 May 1941 née Murray 

Married:         Karl Gehring (1968); daughters born Trudi 28.12.79, Rosalind 8.10.81.

University education: 

1959-62  University of Manchester B.Sc. Class I (with honours in Physics)

1962-3           University of Manchester Diploma of Advanced Studies (passed with distinction)

1963-5         University of Oxford D.Phil (supervised by W Marshall)

Honours:

1992                Honorary DSc University of Salford 

2004                Honorary Fellow of St Hugh’s College Oxford

2005                   O.B.E ‘For Services to Physics and to Equal Opportunities’

2006                Emeritus Professor University of Sheffield

2006                Leverhulme Emeritus Fellowship.

Employment and main visits:          

1965-7           Leverhulme Research Fellow St Hugh's College University of Oxford

1967-8              NATO Research Fellow University of California Berkeley with C Kittel

1968-89  Official Fellow and Tutor in Physics St Hugh's College Oxford and

                        CUF lecturer in the University of Oxford.

1989-06            Professor of Solid State Physics University of Sheffield

1996-99  Head of Physics Department University of Sheffield

2000                Invited visit (6 months) to Newton Institute, Cambridge, for programme on Strongly Correlated Electron Systems

2002             Visiting Professorship for 3 months in KTH Stockholm

2006-               Emeritus Professor University of Sheffield

Main research areas:

Co-operative Jahn Teller effect:

• Co-operative Jahn-Teller effects GA Gehring and KA Gehring  Rep Prog Phys  38  (1975)  1-85

Optical properties of magnets:

• Linear optical birefringence of magnetic crystals J Ferré and GA Gehring  Rep Prog  Phys  47 (1984)  513-611

Magnetic oxides:

• Tunnelling from Fe₃O₄  C Srinitiwarawong and GA Gehring  J Phys-Cond Matt 13 (2001) 7987-7998
• Ab initio charge, spin and orbital energy scales in LaMnO₃  R Tyer, WM Temmerman, Z Szotek, G Banach, A Svane, L Petit L and GA Gehring Europhys Lett 65  (2004) 519-525
• Magnetic order and valency at La_0.7Sr_o.3MnO₃/SrTiO₃ interfaces   H Zenia, GA Gehring , WM Temmerman New Journal of Physics 9 Art. No. 105 (2007)
• Potts model for the distortion transition in LaMnO3    MR Ahmed and GA Gehring  Physical Review B 74 (1) (2006) 014420

Dilute magnetic semiconductors based on ZnO

·                Ferromagnetism above Room Temperature in Bulk and Transparent Thin films of Mn doped ZnO   Parmanand Sharma, Amita Gupta, K.V. Rao, Frank J. Owens, Renu Sharma, Rajeev Ahuja, J. M. Osorio Guillen, Börje Johansson and GA Gehring   Nature Materials 2 (2003) 673-77.

• Room-temperature magneto-optics of ferromagnetic transition-metal-doped ZnO thin films    JR Neal, AJ Behan, RM Ibrahim, GA Gehring et al.   Phys Rev Lett 96 (2006) 197208
• Carrier-induced ferromagnetism in n-type ZnMnAlO and ZnCoAlO thin films at room temperature   XH Xu, HJ Blythe, M Ziese, GA Gehring et al.  New Journal of Physics 8 (2006) 135
• Two magnetic regimes in doped ZnO corresponding to a dilute magnetic semiconductor and a dilute magnetic insulator      A.J. Behan, A. Mokhtari, H.J. Blythe, D. Score, X-H. Xu, J.R. Neal, A.M. Fox and G.A. Gehring Phys Rev Lett 100  (2008) 047206.