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Contact Details

Postal Address

Dr. Siddharth Saxena
Cavendish Laboratory
J J Thomson Avenue
Cambridge CB3 0HE
U.K.

Phone & Fax

Phone: +44 1223 37379

E-mail

sss21 (at) cam.ac.uk

Dr. Montu Saxena


Montu Saxena
   

Research Interests

Dr S.S. Saxena is a Principal Research Associate in the Cavendish Laboratory, and Fellow at Jesus College at the University of Cambridge. He was awarded the 2006 IUPAP Young Scientist Medal in the field of magnetism. He has been a EPSRC Advanced Research Fellow, Sarah Woodhead Fellow at Girton College, Cambridge, a Post-doctoral Fellow at University College, London and a Spinoza Fellow at the University of Groningen, the Netherlands, after completing a PhD at Trinity College, Cambridge in 1997. He is also the Chairperson of the Cambridge Central Asia Forum and Honorary Secretary of the Committee for Central and Inner Asia. He and his co-workers discovered superconductivity in the itinerant electron ferromagnet UGe2, the first example of its kind. This discovery was soon followed by related discoveries in other systems on the border of metallic ferromagnetism, namely, elemental Fe itself above 150 kbar. His research is expanding within the field of strongly correlated electron systems and in particular deals with exotic forms of magnetism and superconductivity in metals and oxides as well as Ferroelectric and Multferroic Materials and neutron scattering. He and co-workers discovered elevated temperature superconductivity in graphite intercalate C6Yb and C6Ca which has led to a major worldwide revival in the field of Carbon based superconductors. Recently, he has been Chair, organiser, advisory committee member and session-chair of a number of international conferences like the Gordon Conference, SCES series, AIRAPT, M2S, MSM and Quantum Complexities in Condensed Matter as well as Quantum Condensates Conference. He has delivered plenary, key-note and invited talks at more than 70 international conferences during the last six years. Dr Saxena has been awarded grants from the EPSRC (Graphite Intercalates and Magnetic Superconductivity), the Royal Society (Pressure Cell Development) and the European Science Foundation (COST-Network), KAIST (Korea Cambridge Collaboration) and Neutron and X-Ray time at sources in UK and abroad. He is a co-founder and co-director of CamCool Ltd. and Cantabrigia Advisors Ltd.

Publications

2015

Sugimoto, T, Ootsuki, D, Morice, C, Artacho, E, *Saxena, S.S*., Schwier, E.F., Zheng, M, Kojima, Y, Iwasawa, H, Shimada, K, Arita, M, Namatame, H, Taniguchi, M, Takahashi, M, Saini, N.L, Asano, T, Higashinaka, R, Matsuda, T. D., Aoki, Y, and Mizokawa, T, *Fermi surfaces and orbital polarization in superconducting CeO0.5F0.5BiS2 revealed by angle-resolved photoemission spectroscopy, *Physical Review B, Volume 92, Article No. 041113 (Rapid Communications) , July 16 2015

Smith, RP, Weller, TE, Howard, CA, Dean, MPM, Rahnejat, KC, *Saxena, SS*, Ellerby, M, *Superconductivity in graphite intercalation compounds*, PHYSICA C SUPERCONDUCTIVITY AND ITS APPLICATIONS *(Invited Review*) Volume 514, pages 50-58, July 15, 2015.

Morice, C, Artacho, E, Dutton, SE, Molnar, D, Kim, H-J , *Saxena, SS*., *Effects of stoichiometric doping in superconducting Bi-O-S compounds*, JOURNAL OF PHYSICS-CONDENSED MATTER, Vol 27, Issue 13, Number: 135501, April 10, 2015.

Schiemer, J., Spalek, L. J. *Saxena, S. S*, Panagopoulos, C., Katsufuji, T., Carpenter, M. A, *Magnetoelastic relaxations in EuTiO3*, EPL, Vol. 59, issue 5, Number: 57004, Mar 2015.

2014

Rowley, SE, Spalek, LJ, Smith, RP, Dean, MPM, Itoh, M, Scott, JF, Lonzarich, GG, *Saxena, SS*, *Ferroelectric Quantum Criticality*, Nature Physics Volume 10, Issue 4, page 367-372, May 2014.

Spalek, LJ.; Saxena, SS.; Panagopoulos, C; et al. *Elastic and anelastic relaxations associated with phase transitions in EuTiO3*,PHYSICAL REVIEW B Volume: 90 Issue: 5 Article Number: 054119 Published: AUG 29 2014

2013

Petrovic AP, Kato Y, Sunku SS, Ito T, Sengupta P, Spalek L, Shimuta M, Katsufuji T, Batista CD, *Saxena SS*, et al.. *Electric field modulation of the tetragonal domain orientation revealed in the magnetic ground state of quantum paraelectric EuTiO3.* Physical Review B - Condensed Matter and Materials Physics *87*(6) 2013

*Saxena SS*, Littlewood PB. *Strongly correlated electron systems..* Journal of Physics Condensed Matter *24*(29) 2012

Haines CRS, Marcano N, Smith RP, Aviani I, Espeso JI, Gomez Sal JC, Saxena SS. *Complex magnetic states of heavy fermion compound CeGe.* Fizika Nizkikh Temperatur *38*(7):821-827 2012 ( in Russian)

Haines CRS, Marcano N, Smith RP, Aviani I, Espeso JI, Gomez Sal JC, *Saxena SS*. *Complex magnetic states of the heavy fermion compound CeGe.* Low Temperature Physics *38*(7):651-656 2012

Rowley SE, Smith R, Sutherland ML, Alireza P, *Saxena SS*, Lonzarich GG. *Quantum criticality and unconventional order in magnetic and dielectric material.* Journal of Phys= ics: Conference Series *400 *(PART 3) 2012

2011

van Wezel J, Nahai-Williamson P, *Saxena SS*. *Exciton-phonon interactions and superconductivity bordering charge order in TiSe2.* PHYS REV B *83*= (2): Article number 024502 04 Jan 2011

Rowley SE, Smith RP, Marcano N, Dean MPM, Kusmartseva A, Spalek LJ, O'Farrell ECT, Tompsett DA, Sutherland ML, Alireza PL, *Saxena SS* et al.. *Novel metallic states at low temperatures.* Fizika Nizkikh Temperatur (Kharkov) *37*(1):5-11 2011

van Wezel J, Nahai-Williamson P, *Saxena SS*. *Exciton-phonon-driven charge density wave in TiSe2.* PHYS REV B *81*= (16): Article number 165109 15 Apr 2010 (Journal article)

van Wezel J, Nahai-Williamson P, *Saxena SS*. *Quasi one-dimensional chains and exciton-phonon interactions in TiSe2.* PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS. 247: 592-594. Mar 2010

2009

van Wezel J, Nahai-Williamson P, *Saxena SS*. *An Alternative Interpretation of Recent ARPES Measurements on TiSe2.* EPL-EUROPHYS LE= TT *89*(4): Article number 47004 Feb

Dean MPM, Howard CA, *Saxena SS*, Ellerby M. *Non-adiabatic phonons within the doped graphene layers of XC$_6$ compounds.* PHYS REV B *81*= (4): Article number 045405 Jan 2010

Otero-Leal M, Rivadulla F, *Saxena SS*, Ahilan K, Rivas J. *Nature of the high-pressure tricritical point in MnSi.* PHYS REV B *79*= (6): Article number 060401 Feb 2009

Zhu H, Chu DP, Fleck NA, Rowley SE, *Saxena SS*. *Polarization change of PZTN ferroelectric thin film capacitors under tensile stress.* JOURNAL OF APPLIED PHYSICS *105*(6): Article number 061609 15 Mar 2009

2008

Smith RP, Sutherland M, Lonzarich GG, *Saxena SS*, Kimura N, Takashima S, Nohara M, Takagi H. *Marginal breakdown of the Fermi-liquid state on the border of metallic ferromagnetism.* NATURE *455*(7217):1220-1223 30 Oct 2008

Guritanu V, Armitage NP, Tediosi R, *Saxena SS*, Huxley A, Marel DD. *Optical spectra of the heavy fermion uniaxial ferromagnet UGe**2**.* PHYS REV B *78*= (17): Article number 172406 Nov 2008

2007

Akrap A, Weller T, Ellerby M, *Saxena SS*, Csanyi G, Forro L. *C6Yb and graphite: A comparative high-pressure transport study.* PHYS REV B *76*(4): Article number 045426 Jul 2007

Sutherland M, Doiron-Leyraud N, Taillefer L, Weller T, Ellerby M, *Saxena SS*. *Bulk evidence for single-Gap s-wave superconductivity in the intercalated graphite superconductor C6Yb..* PHYS REV LETT *98*(6): Article number 067003 09 Feb 2007

2006

Smith RP, Kusmartseva A, Ko YTC, *Saxena SS*, Akrap A, Forro L, Laad M, Weller TE, Ellerby M, Skipper NT. *Pressure dependence of the superconducting transition temperature in C6Yb and C6Ca.* PHYS REV B *74*(2): Article number 024505 Jul 2006

Smith RP, Weller TE, Kusmartseva AF, Skipper NT, Ellerby M, *Saxena SS*. *Positive pressure dependence of the superconducting transition temperature in C6Yb.* PHYSICA B-CONDENSED MATTER. 378-80: 892-893. 01 May 2006

Ellerby M, Weller TE, *Saxena SS*, Smith RP, Skipper NT. *Superconductivity at elevated temperatures in C6Yb and C6Ca.* PHYSICA B-CONDENSED MATTER. 378-80: 636-639. 01 May 2006

2005

Yelland EA, Hayden SM, Yates SJC, Pfleiderer C, Uhlarz M, Vollmer R, von Lohneysen H, Bernhoeft NR, Smith RP, *Saxena SS*, et al.. *Superconductivity induced by spark erosion in ZrZn2.* PHYS REV B *72*(21): Article number 214523 Dec 2005

Weller TE, Ellerby M, *Saxena SS*, Smith RP, Skipper NT. *Superconductivity in the intercalated graphite compounds C6Yb and C6Ca.* NAT PHYS *1*(1):39-41 Oct 2005

Lengsdorf R, Ait-Tahar M, *Saxena SS*, Ellerby M, Khomskii DI, Micklitz H, Lorenz T, Abd-Elmeguid MM. *Pressure-induced insulating state in (La,Sr)CoO$_{3}$.* PHYS REV B *69*(14): Article number 140403 Apr 2004

2004

Chiao M, *Saxena SS*, Gavilano JL, Rau D, Ott HR. *Tuning of magnetic order in CePd2In.* JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 272-76: 77-78. May 2004

Pugh E, Steiner MJ, Forsythe D, Walker R, *Saxena SS*, Julian SR, Lonzarich GG, Mackenzie AP, NishiZaki S, Maeno Y.*Resistivity measurements on Sr2RuO4 under pressure.* J MAGN MAGN MATER *272*:E137-E138 May 2004

*Saxena SS*, Monthoux P. *Symmetry not required.* Nature *427*(6977):799-799 2004

2003

Doerr M, Rotter M, Ellerby M, Markosyan A, Saxena SS, Hosokoshi Y, Inoue K, Loewenhaupt M. *Pressure dependent magnetization of DyCu2 single crystals.* PHYSICA B-CONDENSED MATTER. 329: 633-634. May 2003

Chiao M, Wigger G, Bergemann C, Ott HR, *Saxena SS*, Bianchi AD, Fisk Z. *Tuning of magnetic order in Eu1-xCaxB6.* ACTA PHYSICA POLONICA B. 34: 1441-1444. Feb 2003

2002

Forsythe D, Julian SR, Bergemann C, Pugh E, Steiner MJ, Alireza PL, McMullan GJ, Nakamura F, Haselwimmer RKW, Walker IR, *Saxena SS* et al.. *Evolution of Fermi-liquid interactions in Sr2RuO4 under pressure..* PHYS REV LETT *89*(16): Article number 166402 14 Oct 2002

Eerenstein W, Palstra TTM, *Saxena SS*, Hibma T. *Spin-polarized transport across sharp antiferromagnetic boundaries..* PHYS REV LETT *88*(24): Article number 247204 17 Jun 2002

Steiner MJ, Pugh E, Chiao M, *Saxena SS*, Walker IR, Julian SR, Lonzarich GG, Nishizaki S, Maeno Y, Perry RS, et al.. *Pressure dependence of the resistivity in the layered perovskites Sr 2RuO4 and Sr3Ru2O7.* Journal of the Physical Society of Japan*71*(SUPPL.):347-349 2002

2001

*Saxena SS*, Littlewood PB. *Iron cast in exotic role.* Nature *412*(6844):290-291

*Saxena SS*, Agarwal P, Ahilan K, Grosche FM, Haselwimmer RKW, Steiner MJ, Pugh E, Walker IR, Julian SR, Monthoux P, et al.. *Superconductivity on the border of itinerant electron ferromagnetism in UGe2.* JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 226: 45-47. May 2001

Dulic D, Pimenov A, van der Marel D, Broun DM, Kamal S, Hardy WN, Tsvetkov AA, Sutjaha IM, Liang RX, Menovsky AA, et al..*Observation of the transverse optical plasmon in SmLa0.8Sr0.2CuO4-delta..* PHYS REV LETT *86*(18):4144-4147 30 Apr

2000

Grosche FM, Agarwal P, Julian SR, Wilson NJ, Haselwimmer RKW, Lister SJS, Mathur ND, Carter FV, *Saxena SS*, Lonzarich GG. *Anomalous low temperature states in CeNi2Ge2 and CePd2Si2.* J PHYS-CONDENS MAT *12*(32):L533-L540 14 Aug 2000

Saxena SS, Agarwal P, Ahilan K, Grosche FM, Haselwimmer RKW, Steiner MJ, Pugh E, Walker IR, Julian SR, Monthoux P, et al.. *Superconductivity on the border of itinerant-electron ferromagnetism in UGe2.* NATURE *406*(6796):587-592 10 Aug

Frost CD, Rainford BD, Carter FV, Saxena SS. *Inelastic neutron scattering study of CeNi2Ge2.* PHYSICA B. 276: 290-291. Mar 2000

1999

Pellegrin E, Hagelstein M, Doyle S, Moser HO, Fuchs J, Vollath D, Schuppler S, James MA, Saxena SS, Niesen L, et al..*Characterization of nanocrystalline gamma-Fe2O3 with synchrotron radiation techniques.* PHYSICA STATUS SOLIDI B-BASIC RESEARCH. 215: 797-801. Sep 1999

1998

Grosche FM, Agarwal P, Julian SR, Wilson NJ, Haselwimmer RKW, Lister SJS, Mathur ND, Carter FV, Saxena SS, Lonzarich GG. *Anomalous Low Temperature States in CeNi2Ge2.* 08 Dec 1998

Julian SR, Carter FV, Grosche FM, Haselwimmer RKW, Lister SJ, Mathur ND, McMullan GJ, Pfleiderer C, Saxena SS, Walker IR, et al.. *Non-Fermi-liquid behaviour in magnetic d- and f-electron systems.* JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. 177: 265-270. Jan 1998

1997

Grosche FM, Lister SJS, Carter FV, Saxena SS, Haselwimmer RKW, Mathur ND, Julian SR, Lonzarich GG. *Superconductivity and anomalous normal state in the CePd2Si2/CeNi2Ge2 system.* PHYSICA B. 239: 62-66. Aug 1997

Lister SJS, Grosche FM, Carter FV, Haselwimmer RKW, Saxena SS, Mathur ND, Julian SR, Lonzarich GG. *Quantum critical behaviour in the CePd2Si2/CeNi2Ge2 system.* ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER. 103: 263-265. Jun 1997

1994

SAXENA SS, TANG JK, LEE YS, OCONNOR CJ. *MAGNETIC AND MAGNETOTRANSPORT PROPERTIES OF GRANULAR CU85FE15 PREPARED BY MECHANICAL ALLOYING.* JOURNAL OF APPLIED PHYSICS. 76: 6820-6822. 15 Nov 1994

TANG JK, LI L, SAXENA SS, PURI A, FALSTER AU, SIMMONS WB. *THE EFFECTS OF ARSENIC DOPING ON THE MAGNETIC-PROPERTIES OF CUCR2SE4.* IEEE TRANSACTIONS ON MAGNETICS. 30: 4972-4974. Nov 1994