Jason Stewart Gardner

Address NIST Center for Neutron Research

Building 235, Rm A-118

National Institute of Standards and Technology

Gaithersburg, MD 20899-8562

Phone: (301) 975-8391

Fax: (301) 921-9847

Email: jason.gardner@bnl.gov

University Qualifications

(1988-91) B. Sc. (Physics),University of Warwick, Coventry, England.

(1991-92) MSc. (Physics), Keele University, Staffordshire, England.

(1992-96) Ph.D. (Physics), University of Warwick, Coventry, England

Thesis Title: “Neutron Scattering, mSR and Magnetic Studies of Compounds Related to High Temperature Superconductors.”

Prof. Don McKenzie Paul, Advisor

Employment

(2003 – present) Assistant Physicist, Brookhaven National Laboratory, Upton, NY

(1999 – 2002): Research Associate/Officer, National Research Council, Chalk River, CANADA.

(1998 – 1999): Postdoctoral Fellow, Los Alamos National Laboratory, NM.

(1996 – 1998): Research Associate, Dept. of Physics and Astronomy, McMaster University, Canada.

Awards/Grants

2002

Three Researcher Exchange Awards between the NRC and the British Council $6.5k

NATO science Programme Collaborative Linkage Grant €10k

2001

Technology Investment Fund (TIF) with Dr. Calvin Hyatt - Design of Magnetic Shape Memory Alloys for 3 years $250k/yr (3 yrs)

Travel grant to Taiwan under the NRC’s Eminent Researchers Program. $5k

Two Researcher Exchange Awards between the NRC and the British Council $4.6k

2000

NSERC Major equipment Grant with M. Collins (McMaster University) 9 Tesla, 300 mK superconducting magnet for neutron studies $260k

SELECTED PUBLICATIONS

"Evidence for Quantum Dynamics in "Hot" Spin Ice" G Ehlers, A L Cornelius, M Orendac, M Kajnakova, T Fennell, S T Bramwell and J. S. Gardner J. Phys. Cond. Matter 15, L9, (2003).

"Pressure Induced Crystallization of a Spin Liquid" I Mirebeau, I N Goncharenko, P Cadavez-Peres, S T Bramwell, M J P Gingras and J S Gardner NATURE 420, 54 (2002).

"Magnetic structure of antiferromagnetic NdRhIn5" S Chang, P G Pagliuso, W Bao, J S Gardner, I P Swainson, J L Sarrao, and H Nakotte Phys. Rev. B 66, 132417 (2002).

"Magnetization distribution in the Layered Colossal Magnetoresistance Manganite La1.2Sr1.8Mn2O7 from Polarized Neutron Diffraction" D.N. Argyriou, P.J. Brown, J S Gardner and R.H. Heffner Phys. Rev. B 65, 214431 (2002).

"Neutron scattering studies of the cooperative paramagnet pyrochlore Tb2Ti2O7" J S Gardner, B D Gaulin, A J Berlinsky, P Waldron, S R Dunsiger, N P Raju and J E Greedan Phys. Rev. B 64, 224416 (2001).

"Order in the Heisenberg pyrochlore: The magnetic structure of Gd2Ti2O7" J D M Champion, A S Wills, T Fennell, S T Bramwell, J S Gardner and M A Green Phys. Rev. B 64, 140407(R) (2001).

"Spin Correlations in Ho2Ti2O7: a Dipolar Spin Ice System" S T Bramwell, M J Harris, B C Den Hertog, M J P Gingras, J S Gardner, D F McMorrow, A R Wildes, A Cornelius, J D M Champion, R G Melko and T Fennell Phys. Rev. Lett. 87, 047205 (2001).

"Low Temperature Spin Dynamics of the Geometrically Frustrated Antiferromagnet Gd3Ga5O12" S Dunsiger, J S Gardner , J Chakhalian, R Kiefl, R Movshovich W A MacFarlane, R I Miller, J E Sonier and B D Gaulin Phys. Rev. Lett., 85, 3504 (2000).

"Glassy Statics and Dynamics in the Chemically Ordered Pyrochlore Antiferromagnet Y2Mo2O7" J S Gardner, B D Gaulin, S H Lee, C Broholm, N P Raju and J E Greedan Phys. Rev. Lett., 83, 211 (1999).

"Co-operative Paramagnetism in the Geometrically Frustrated Pyrochlore, Tb2Ti2O7" J S Gardner, S Dunsiger, B D Gaulin, R Kiefl, M D Lumsden, Z Tun, N Raju, I Swainson and J E Greedan Phys. Rev. Lett., 82, 1012 (1999).