Des Mapps

Teaching interests
Information Storage Engineering/Information Processing, Magneto-optics, Micro-magnetics, Electrical and Electronic Engineering, Magnetic Sensors.
Previous lecturing experience includes approximately 3000 hours lectures in Electrical and Electronic Engineering with an additional 7000 hours seminars, tutorials and laboratory/project work. Active in the planning and formation of proposals for the BEng degree in Electrical and Electronic Engineering and the MEng degree in Communication, Information and Electronic Engineering.
 

Staff serving as external examiners
External Examiner for Higher Degrees (30 PhD, 3 MPhil, 50 MSc)
PhD P.He, University of Manchester, December 2002
PhD R. Taylor, University of Wales, April 2002
PhD S.A.M. Tofail, University of Limerick, April 2002
MPhil J.C.S. Milne, University of Bath, 2001
PhD G. Jones, University of York, July 2001
PhD J. Collins, University of Aston, June 2001
PhD J.A. Homewood, University of Wales, October 1998
PhD A.F. Md Nor, University of Manchester, November, 1998
PhD Y Liu, University of Glasgow, January 1997
PhD P.C. Ling, University of Wales, June 1997
PhD S Cumpson, University of Manchester, April 1996
PhD A Spencer, University of Keele, September 1996
PhD G.P. Farrell, University of Manchester, March 1995
PhD H.F. Lau, University of Wales, June 1995
PhD H.C. Patel, University of Keele, February 1994
PhD B. Liu, University of Manchester, June 1993
PhD P. Akhtar, University of Wales, September 1993
PhD H. Jenniches, Coventry University, October 1993
PhD H.C. Koh, University of Brighton, August 1992
PhD S. Brakspear, Kingston University, August 1992
PhD J. Boehm, University of Salford, April 1991
PhD J.R. Hone, University of Wales, March 1991
PhD D.J. Rogers, University of Glasgow, April 1990
PhD R. Nourizadeh, University of Wales, June 1990
PhD A. Rojeab, University of Wales, November 1990
MPhil S.A. Medhat, CNAA May 1989
PhD M.M. A'Arabi, University of Wales, February 1988
MPhil A.G. Robinson, CNAA October 1988
PhD M. Aimoniotis, University of Wales, May 1987
PhD G. Farrow, University of Manchester, December 1987
PhD A.M.H. Al-Habib, University of London, February 1983
PhD J.T. Mullin, CNAA, June 1983
PhD A. Abdollahian, University of Wales, November 1983

External Examiner for University of Wales MSc course in Electrical and
Electromagnetic Engineering with Industrial Applications 1995 - 2000

External Examiner for University of Keele MSc course on Optical Data Recording 1990 – 1993

Visiting Teaching Quality Assessor for the BSc in Broadcast Engineering at DeMontfort Universitiy 2005

International Panel Member for the Quality Inspection and Peer Review of the Department of Electronic and Computer Engineering, University of Limerick, Ireland, April 2006

External Validator for the MSc in Innovation, University of East London, May 2006
 

Research interests
Published 150 papers in International Research Journals, 10 patents, 72 industrial reports, 120 papers at International Conferences and 55 (mostly invited) papers at other conferences/meetings. Supervised 25 successful PhDs. Invited visiting Professor at the SONY Research Centre (Japan), EHIME University (Japan), University of California and the University of Alabama. Grant income (main applicant) is approximately £2.25 million plus £690,000 (second applicant) and £431,000 for facilities. Chaired sessions at international conferences including PMRC 2004, (Sendai) and JEMS 2004 (Dresden). Past Chairman of EPSRC Engineering Panel. Member of current EPSRC College. Research interest is magnetic information storage technology and magnetic sensors.  

UoP Research group membership

Other research
Medical applications of magnetism. 

Research degrees awarded to supervised students
PhD Supervision
Twenty-six successful PhD's to date
(2006, 2004, 2004, 2003, 1999, 1999, 1999, 1998, 1997, 1995, 1994, 1994, 1993, 1993, 1992, 1992, 1991, 1990, 1989, 1988, 1988, 1986, 1986, 1985, 1982, 1979)
 

Grants & contracts
Research Grants (as Primary Applicant) (£2,319,048)

Research Grant of £56,000 from Arjo Wiggins Ltd., August 2004

D.T.I ‘SMART’ award with TRIX Data Products £37,000. August 2003 – Februrary 2004.

Grant from Arjo-Wiggins for research on new security paper material £12 ,000. August 2003 – February 2004.

Grant from BAE Systems for research in micro sensors (£22,500).

Royal Society grant for visiting scientist, Dr. A. Radkovskaya, £6,215, August 2002 – February 2003.

"Advanced perpendicular magnetic writing system for hard disk drives - a feasibility study". EPSRC Research Grant, GR/G/42443, £63,254, March 2001.

"Spin polarised electron tunnelling: basic science and device technology". EPSRC Research Grant, GR/M23977, £130,956, 1/10/1998 to 30/9/2001.

"Research on Giant Magneto-Impedance devices". Royal Society grant for joint research with the Former Soviet Union, £15000, 1/4/1999 to 31/3/2001.

"Investigation of advanced, metal-in-gap, magnetic recording heads". EPSRC Research Grant, GR/M 23939, £106,179, 1/10/1998 to 30/9/2000.

"Computer simulation of spatial noise fields in high-performance thin-film magnetic tape heads". EPSRC Research Grant, GR/L39803, £65,973, 1/6/1997 to 31/5/2000.

"A new nanoscale position sensing system". EPSRC Research Grant, GR/K87395, £73,286, 1/9/96 to 31/8/99.

"Feasibility of NdFeB as a computer disk medium”. EPSRC Research Grant GR/L69404, £51,621, 1/9/97 to 31/8/98.

"Rotating MR head for Data Recording". Hewlett Packard (Europe) research grant, £22,297.

"Crossfeed in Read-while-Write Tape Heads". Three Hewlett Packard (U.S.) research grants, $106,403, $60,958 and $28,097 (£126,103), September 1995 - August 1998.

"High data rate Computer Disk Head for fast transfer of Parallel Information". British Council sponsorship, collaboration with AIT Japan, £15,000, May 1995-May 1998.

Research Grants as Second Applicant (£691,940)

"Magnetic/Metallic multilayers for asymmetrical giant magneto-impedance and applications in magnetic sensing". EPSRC Research Grant, GRN66544 (with Panina L.V.), £135,787, 2001-2004.

“Submicron sized spin-valve heads and exchange pinning layers”. EPSRC Research Grant, GR/M82837 (with Pan G., Clegg W.W.), £95,915, 1999-2002.

“Theory of Magnetic Recording”. EPSRC grant for (Mallinson J.C.), visiting Research Scientist (with Wilton D. T., Shute H.A.), £8,938, 1999-2001.

“Reactive sputtering of giant/high magnetic moment iron-nitride films with in-situ plasma diagnosis and control”. EPSRC Research Grant, GR/M46808 (with Pan G.) £110,763, 1999-2001.

"Two-dimensional sequence detection for a multiple-track, high performance data recording system". EPSRC Research Grant, GR/L54974 (with Donnelly T.), £113,666, 1997-2000.

"A novel submicron trackwidth thin-film magnetic recording head with focused ion beam machined front gap". EPSRC Research Grant, GR/M56746 and GR/L38110 (with Pan G.), £83,244, 1997-2000.

"Observation of high-frequency magnetodynamics in materials and devices". EPSRC Research Grant, GR/L19751(with Clegg W.W.), £143,627, 1997-2000.

Grants for Research Facilities (£431,500)

HEFCE Grant for Refurbishing Micro-magnetics Clean Room at the University of Plymouth. (University of Plymouth added £136,500), £100K, July-December 1998.

Royal Society/Wolfson Foundation grant for upgrading the Micro-magnetics Clean Room for nanotechnology. £195k. January 2004.
 

Publications
1. Delooze P., Panina L.V., Mapps D.J., “AC biased sub – nanoTesla magnetic field sensor for low
frequency applications utilizing magneto impedance in multilayer films” IEEE Transactions on
Magnetics, Vol. 41, No. 10, Oct 2005, pp 3652 -3654.
2. Fry N., Makhnovskiy D.P., Panina L.V., Sandacci S., Mapps D.J., Akhter M., "Off –diagonal
magnetoimpedance in NiFe/Au/NiFe layered film and its application to linear magnetic sensors".
IEEE Trans.Mag.Vol 40, No.5, Sept 2004, p3358.
3. Makhnovskiy D.P., Fry N., Panina L.V., Mapps D.J., "Effect of magnetic anisotropy on magneto-impedance characteristics in NiFe, Au, NiFe sandwich thin films". Journal of Applied Physics, Applied Physics Letters. Accepted for publication 2004.
4. Delooze P., Panina L.V., Mapps D.J., Ueno K., Sano H., "Sub-nano Tesla Differential Magnetic Field Sensor Utilising Asymmetrical Magneto Impedance in Multilayer films", IEEE Trans. Magn. 2004. Accepted for publication
5. Delooze P., Panina L.V., Mapps D.J., Ueno K., Sano H., "Effect of transverse magnetic field on thin-film magnetoimpedance and application to magnetic recording", J. Magn. Magn. Mater, 2004, Accepted for publication
6. Wilton D.T., McKirdy D., Shute H.A., Miles J.J., Mapps D.J., “Approximate head fields for perpendicular magnetic recording”. IEEE Trans. Mag. Vol. 40, No. 1, January 2004, pp 148-156.
7. Shute H.A., Wilton D.T., McKirdy D., Mapps D.J., “Improved approximation for two-dimensional perpendicular magnetic recording heads”. IEEE Trans. Mag. Vol. 39, No. 4, July 2003, pp 2098-2102.
8. Shute H.A., Miles J.J. Wilton D.T., Mapps D.J., “Optimization of one-sided pole heads for perpendicular recording”. IEEE Trans. Mag. Vol. 38, No. 5, Sept 2002, pp 2207-2209.
9. Lu Z.Q., Pan G., Lai W.Y., Mapps D.J., Clegg W.W., “Exchange anisotrophy in NiFe/FeMn bilayers studied by planar Hall effect”. Journal of Magnetism and Magnetic Materials, 242, 2002, pp525-528.
10. Shute H.A., Wilton D.T., Mapps D.J., “Analytic field components for perpendicular thin-film recording heads”. IEEE Trans. Mag., Vol. 37, No. 6, Nov 2001, pp 3947-3955.
11. Shute H.A., Wilton D.T., Mapps D.J., "The effect of throat height reduction in gapped heads". IEEE Trans. Magn., Vol. 37, No. 3, May 2001, pp 1141-1145.
12. Shute H.A., Mapps D.J., Wilton D.T., "Eddy-current assisted digital video read/write head". IEEE Trans. Magn., Vol. 37, 2001, pp 3043-3052.
13. Wilton D.T., Shute H.A., Brown S.J.C., Mapps D.J., "Approximation of shielded MR head output for perpendicular media". Journal of Magnetism and Magnetic Materials, 235, 2001, pp393-397.
14. Wilton D.T., Brown S.J.C., Shute H.A., Mapps D.J., "Integrals arising in models of shielded magnetoresistive heads". IEEE Transactions on Magnetics, Vol. 37, No. 1, Jan 2001, pp 571-574.
15. Panina L.V., Makhnovskiy D.P., Fry N., Mapps D.J., “Magneto-impedance in NiFe/Au/NiFe sandwich films with different types of anisotropy”. Accepted for publication, Journal of Magnetism and Magnetic Materials. 2004.
16. Delooze P., Panina L.V., Mapps D.J., Ueno K., Sano H., “CoFeB/Cu layered film for asymmetrical magneto-impedance”. Accepted for publication. IEEE Trans. Mag. 2004.
17. Mahdi A.E., Panina L.V., Mapps D.J., “ Some new horizons in magnetic sensing: high Tc-SQUIDS, GMR and GMI materials”. Sensors and Actuators A : Physical, vol 105, Issue 3, August 2003, pp 271-285
18. Grigorenko A.N., Mapps D.J., “Magnetic tunnel junctions with non-collinear anisotropy axes for sensor applications”. Journal of Physics D-Applied Physics 36, No.7, 2003, pp 791-797.
19. Grigorenko A.N., Panina L.V., Sandacci S.I., Makhnovskiy D.P., Mapps D.J., Khrushchev I.Y., Dubov M.V., Larin V., Torkunoc A., “Laser processing effect on magnetic properties of amorphous wires”. Applied Physics Letters 81, No.25, 2002, pp 4790-4792.
20. Allsop T., Neal R., Giannone D., Webb D.J., Mapps D.J., Dennion I., “Sensing characteristics of a novel two-section long-period grating”. Journal of Applied Optics, Vol 42, No.19, July 2003.
21. Mapps D.J., “Remote Magnetic Sensing of People”. Sensors and Actuators A: Physical. Vol 106, Issues 1-3 15th Sept 2003, pp 321-325. European Journal of Magnetic Sensors and Actuators. 2003.
22. Allsop T., Neal R., Giannone D., Webb D.J., Mapps D.J., Bennion I. “Discrimmination between temperature and refractive index using a single long period grating”.
23. Panina L.V., Makhnovskiy D.P., Mapps D.J., Mohri K., Nikitin P.I., “Effect of frequency and d.c. current on a.c. biased asymmetrical magneto-impedance in wires”. Materials Science Forum, Vols. 373-376, 2001, pp 741-744. Trans. Tech. Publications, ISBN 087849-880-X.
24. Makhnovskiy D.P., Panina L.V., Mapps D.J., “Field-dependent surface impedance tensor, in amorphous wires with two types of magnetic anisotropy: Helical and circumferential”. Physical Review B, Vol. 63, No. 14, 2001, p 144424.
25. Makhnovskiy D.P., Panina L.V., Mapps D.J., "Surface impedance tensor in amorphous wires with helical anisotropy: magnetic hysteresis and asymmetry". Journal of Applied Physics, Vol. 89, No. 11, 2001, pp 7224-7226.
26. Panina L.V., Makhnovskiy D.P., Mapps D.J., Zarechnyuk D.S., "Two-dimensional analysis of magneto-impedance in magnetic/metallic multilayers". Journal of Applied Physics, Vol. 89, No. 11, 2001, pp 7221-7223.
27. Sandacci S.I., Grigorenko A.N., Panina L.V., Mapps D.J., “Dynamic hysteresis in magnetostrictive amorphous microwires”. IEEE Transactions on Magnetics 38, No.5, 2002, pp 2409-2411.
28. Zhukova V.A., Chizhik A.B., Gonzalez J., Makhnovskiy D.P., Panina L.V., Mapps D.J., Zhukov A.P., “Effect of annealing under torsoin stress on the field dependence of the impedance tensor in amorphous wires”. Journal of Magnetism and Magnetic Materials, 249, 324, 2002.
29. Makhnovskiy D.P., Panina L.V., Sarychev A.K., Mapps D.J., “Effect of transition layers on the electromagnetic properties of composites containing conducting fibres”. Physical Review B64, Vol. 64(9), 134205, 2001.
30. Shute H.A., Wilton D. T., McA McKirdy D. and Mapps D. J., “Analysis of two-dimensional
shielded pole heads using singular expansion functions”, IEEE Trans. Magn., 40(5), 3402-
3406, Sept. 2004.
31. Wilton D.T., McKirdy D. Mc.A., Shute H.A., Mapps D.J., "Approximate three dimensional head fields for perpendicular magnetic recording" IEEE Trans. Magn., Vol 40(1), 148-156.
 

Reports & invited lectures
“A scenario for magnetic information storage in the 21st Century”. Invited lecture. Magnetism Institute of the Ukrainian Academy of Science, March 2004.
• “Cube could spell the death of the disk”. Invited article. ComputerWeekly.com 4th November 2003.
• “Remote Magnetic Sensing of People”. Guest Speaker, San Jose Chapter of the IEEE Magnetics Society, San Jose, U.S.A. January 14th 2003 (Also given to the University of Plymouth Neuroscience Institute and the Medical Physics Group at Derriford General Hospital, Plymouth and the Institute of Metal Physics, Academy of Science of the Ukraine, March 2004). Given as a public lecture at the City of Plymouth Museum, March 2004.
• “Approximate 3-D head fields for perpendicular magnetic recording”. IMST 2002, Exeter, Sept 2002.
• “Storing information in computers”. U.K. Science Year public lecture. Plymouth City Museum. 5th March 2002.
• "Giant magnetic impedance effect in amorphous wire and thin films". UK Magnetics Society on Sensors and Actuators, 12 February 2002.
• "Low field magnetic measurements in biological applications". Invited Lecture (twice) at the U.K. Magnetics Society Meetings in Birmingham University (Magnets in Medicine), U.K., 26 September 2001 and in the National Physical Laboratory, Teddington, U.K., (low Field Magnetic Measurements), 10 October 2001.
 

Conferences organised
Member of International Committee, International Conference on Magnetic Materials and Devices, Singapore, Sept 2005
Convenor and Co-Chairman, session on Perpendicular Recording, JEMS, Sept 2004
Member of international committee, 5th Perpendicular Magnetic Recording Conference, Sendai , Japan, May/June 2004. Chairman of ‘Theory’ session.
Member of International Organising Committee of the North American Perpendicular Magnetic Recording Conference, Monterey, California, January 2003.
Session Chairman, International Workshop on Magnetic Wires, San Sebastian, Spain, June 2001.
Member of Advisory Board, Int. Conf. on Magneto-optics (MORIS), Nagoya, Japan, October 2000 and Beg Mail, France, 2002.
Member of Advisory Board, Int. Conf on Perpendicular Magnetic Recording, Sendai, Japan, October 2000.
Member of International Committee of the Moscow International Symposium on Magnetism 1999, 2002 and 2005 (Chairman of various sessions).
Chairman, European Symposium on Sensors and Actuators, Sheffield, U.K., July 1998.
Member of Advisory Board, Session Chairman, 4th Perpendicular Magnetic Recording Conference, Akita, Japan, October 1997.
Member of Technical Program Committee, International Symposium on Non-Linear Electromagnetic Systems, Braunschweig, Germany, May 1997.
Session Chairman, 1996 Intermag Conference, Seattle, U.S.A.
Advisory Committee, 1994 Int. Conf. on Perpendicular Magnetic Recording, Tokyo, Japan.
Organising Committee, 1992 Int. Conf. on Electric Contacts, Loughborough, U.K.
Program Committee member, 1991 Intermag Conference, Pittsburgh, U.S.A.
Joint program Chairman, 1990 Intermag Conference, Brighton, U.K.
Program Committee member, 1989 Intermag Conference, Washington, U.S.A.

Organising Committee and U.K. University Representative, U.K.-Japan High-Technology Industry Forum. Conferences in Bristol U.K., 2004, Plymouth, U.K.,1999; Kobe, Japan 1997; Oxford, U.K., 1996; Kyoto, Japan, 1995; Gleneagles, Scotland, 1994; Gotemba, Japan, 1993; (also speaker and co-chairman in various conference sessions).