Prof Ramesh Chandra Nath

Professor (Physics)

http://www.researcherid.com/rid/C-9345-2011

- Study of one dimensional nature of (Sr,Ba)2Cu(PO4)2 and BaCuP2O7 via 31P NMR.
**R. Nath**, A. V. Mahajan, N. Büttgen, C. Kegler, A. Loidl, and J. Bobroff*Phys. Rev. B***71***, 174436 (2005).* - Effect of Doping in BaNi2V2O8, a two-dimensional Honeycomb Antiferromagnet.
**R. Nath**, J. Das, and A. V. Mahajan*Physica B***369***,**72 (2005).* - NMR study of lineshifts and relaxation rates of the one-dimensional antiferromagnet LiCuVO4. C. Kegler, N. Büttgen, H.-A. Krug von Nidda, A. Loidl,
**R. Nath**, A. V. Mahajan, A. V. Prokofiev, and W. A?mus*Phys. Rev. B***73***, 104418 (2006).* - 31P NMR study on Na2CuP2O7: a two-dimensional Heisenberg antiferromagnetic system.
**R. Nath**, A. V. Mahajan, N. Büttgen, C. Kegler, J. Hemberger, and A. Loidl*J. Phys.:Condensed matter***18***, 4285 (2006)* - 31P NMR study of the spin S=½ quasi-1D Heisenberg antiferromagnet BaCuP2O7. A. V. Mahajan,
**R. Nath**, N. Büttgen, C. Kegler, A. Loidl, and J. Bobroff*Physica B***378***, 1148 (2006)* - Relaxation in the glass-former acetylsalicylic acid studied by deuteron magnetic resonance and dielectric spectroscopy.
**R. Nath**, T. El Goresy, B. Geil, H. Zimmermann, and R. Böhmer*Phys. Rev. E***74***, 021506 (2006) and Virtual Journal of Biological Physics Research12, 4 (2006)* - 2H NMR studies of super-cooled and glassy aspirin.
**R. Nath**, A. Nowaczyk, B. Geil, and R. Böhmer*J. Non. Cryst. Solids***353**, 3788*(2007)* - 7Li NMR studies on the triangular lattice system LiCrO2. L. K. Alexander, N. Büttgen,
**R. Nath**, A. V. Mahajan, and A. Loidl*Phys. Rev. B***76***, 064429 (2007)* - Electronic structure of the spin-½ Heisenberg antiferromagnetic systems: Ba2Cu(PO4)2 and Sr2Cu(PO4)2. Sarita S. Salunke, M. A. H. Ahsan,
**R. Nath**, A. V. Mahajan, and I. DasGupta*Phys. Rev. B***76***,**085104 (2007)* - Magnetic properties of Ag2VP2O8: An unexpected spin dimer system. A. A. Tsirlin,
**R. Nath**, C. Geibel, and H. Rosner*Phys. Rev. B***77***,**104436 (2008)* - Electronic and magnetic properties of K2CuP2O7: A model S=½ Heisenberg chain system
**R. Nath**, Deepa Kasinathan, H. Rosner, M. Baenitz, and C. Geibel*Phys. Rev. B***77***, 134451 (2008)* - Strong frustration due to competing ferromagnetic and antiferromagnetic interactions: Magnetic properties of (M)(VO)2(PO4)2 (M=Ca,Sr)
**R. Nath**, A. A. Tsirlin, E. E. Kaul, M. Baenitz, N. Büttgen, C. Geibel, and H. Rosner*Phys. Rev. B***78***, 024418 (2008)* - Magnetic properties of BaCdVO(PO4)2: A strongly frustrated spin-½ square lattice close to the critical regime.
**R. Nath**, A. A. Tsirlin, H. Rosner, and C. Geibel*Phys. Rev. B***78***, 064422 (2008) (***Editor's Suggestion**) - Single crystal growth and physical properties of the layered arsenide BaRh2As2. Yogesh Singh, Y. Lee, S. Nandi, A. Kreyssig, A. Ellern, S. Das,
**R. Nath**, B. N.Harmon, A. I. Goldman, and D. C. Johnston*Phys. Rev. B***78***, 104512 (2008) (***Editor's Suggestion**) - Synthesis, crystal structure, and magnetic properties of the Sr2Al0.78Mn1.22O5.2 anion-deficient layered perovskite. H. D'Hondt, J. Hadermann, A. M. Abakumov, A. S. Kalyuzhnaya, M. G. Rozova,A. A. Tsirlin,
**R. Nath**, H. Tan, J. Verbeeck, E. V. Antipov, and G. V. Tendeloo*J. Solid State Chem.***182***, 356 (2009)* - Magnetic interactions and high-field properties of Ag2VOP2O7: frustrated alternating chain close to the dimer limit. A. A. Tsirlin,
**R. Nath**, F. Weickert, Y. Skourski, C. Geibel, and H. Rosner*Presented in international symposium on Highly frustrated Magnetism Sept 7-12, 2008 Braunschweig, Germany**J. Phys.: Conference Series***145***, 012067 (2009)* - Reply to "Comment on 'Electronic structure of spin- ½ Heisenberg antiferromagnetic systems: Ba2Cu(PO4)2 and Sr2Cu(PO4)2". S. Salunke, M. A. H. Ahsan,
**R. Nath**, A. V. Mahajan, and I. Dasgupta*Phys. Rev. B***79**, 127102 (2009) - Magnetic, Thermal, and Transport Properties of Layered Arsenides BaRu2As2 and SrRu2As2.
**R. Nath**, Y. Singh, and D. C. Johnston*Phys. Rev. B***79***, 174513 (2009) and Virtual Journal of Applications of Superconductivity (2009)* - Fluctuations and correlations in a frustrated S=½ square lattice with competing ferromagnetic and antiferromagnetic interactions: a µSR study. P. Carretta, M. Filibian,
**R. Nath**, C. Geibel, and P. J. C. King*Phys. Rev. B***79***, 224432 (2009)* *In situ*High Energy X-ray Synchrotron Diffraction Study of the Synthesis and Stoichiometry of LaFeAsO and LaFeAsO1-xFx R. W. McCaiium, J.-Q. Yan, G. E. Rustan, E. D. Mun, Yogesh Singh, S. Das,**R.Nath**, S. L. Budko, K. W. Dennis, D. C. Johnston, P. C. Canfield, M. J. Kramer,A. Kreyssig, T. A. Lograsso, and A. I. Goldman*J. Appl. Phys.***105***, 123912 (2009)*- Vortex Dynamics and Frustration in 2D Triangular Chromium Lattices. H. Hemmida, H.-A. Krug von Nidda, N. Buettgen, A. Loidl, L. K. Alexander,
**R.****Nath**, A. V. Mahajan, R. F. Berger, R. J. Cava , Y. Singh, and D. C. Johnston*Phys. Rev. B**80**, 054406 (2009)* - Exploring the spin-½ frustrated square lattice model with high-field magnetization measurements. A. A. Tsirlin, B. Schmidt, Y. Skourski,
**R. Nath**, C. Geibel, and H. Rosner*Phys. Rev. B**80**,**132407 (2009)* - Spin correlations and exchange in square lattice frustrated ferromagnets. M. Skoulatos, J.P. Goff, C. Geibel, E.E. Kaul,
**R. Nath**, N. Shannon, B. Schmidt, A.P. Murani, P.P. Deen, M. Enderle, A.R. Wildes*Europhy. Lett**88**, 57005 (2009)* - Single crystal 31P NMR studies of the frustrated square lattice compound Pb2VO(PO4)2.
**R. Nath**, Y. Furukawa, F. Borsa, E. E. Kaul, M. Baenitz, C. Geibel, and D. C. Johnston*Phys. Rev. B***80**, 214430 (2009) (**Editors's Suggestion**) - Frustrated square lattice with spatial anisotropy: crystal structure and magnetic properties of PbZn(VO)(PO4)2. A. A. Tsirlin,
**R. Nath**, A. M. Abakumov, R. V. Shpanchenko, E. V. Antipov,C. Geibel, and H. Rosner*Phys. Rev. B,***81**, 174424 (2010) - Structural and magnetic, thermal and electronic transport properties of single crystal EuPd2Sb2. S.Das,K.McFadden,Y.Singh,
**R.Nath**,A.Ellern and D.C. Johnston*Phys. Rev. B***81**, 054425 (2010) - Synthesis, Structure and Properties of Tetragonal Sr2M3As2O2 (M3 = Mn3, Mn2Cu and MnZn2) Compounds Containing Alternating CuO2-Type and FeAs-Type Layers.
**R. Nath**, V. O. Garlea, A. I. Goldman, and D. C. Johnston*Phys. Rev. B***81**, 224513 (2010) (**Editor's suggestion**) - Bridging frustrated-spin-chain and spin-ladder physics: quasi-one-dimensional magnetism of BiCu2PO6. A. A. Tsirlin, I. Rousochatzakis, D. Kasinathan, O. Janson,
**R. Nath**, F. Weickert, W. Schnelle, C. Geibel, A. M. Lauchli, and H. Rosner*Phys.**Rev. B***82**, 144426 (2010)*(***Editors's Suggestion**) - NMR and muSR study of spin correlations in SrZnVO(PO4)2 a S=1/2 frustrated magnet on a square lattice. L. Bossoni, P. Carretta,
**R. Nath**, M. Moscardini, M. Baenitz, and C. Geibel*Phys. Rev. B***83**, 014412 (2011) - Frustrated couplings between alternating spin-1/2 chains in AgVOAsO4. A. A. Tsirlin,
**R. Nath**, J. Sichelschmidt, Y. Skourski, C. Geibel, and H. Rosner*Phys. Rev. B***83**, 144412 (2011) - Phase separation and frustrated square lattice magnetism of Na1.5VOPO4F0.5. A. A. Tsirlin,
**R. Nath**, A. M. Abakumov, Y. Furukawa, D. C. Johnston, M. Hemmida, H. - A. Krug von Nidda, A. Loidl, C. Geibel, and H. Rosner*Phys. Rev. B***84**, 014429*(2011)**(***Editors's Suggestion**) - Magnetic Exchange Interactions in BaMn2As2: A Case Study of the J1-J2-Jc Heisenberg Model. D. C. Johnston, R. J. McQueeney, B. Lake, A. Honecker, M. E. Zhitomirsky,
**R. Nath**, Y. Furukawa, V. P. Antropov, and Y. Singh*Phys. Rev. B***84**, 094445 (2011) - Magnetic model for A2CuP2O7 (A=Na, Li) revisited: one-dimensional versus two-dimensional behavior. S. Lebernegg, A. A. Tsirlin, O. Janson,
**R. Nath**, Y. Skourski, G. Amthauer, and H. Rosner*Phys. Rev. B***84**, 174436 (2011) - Low-temperature 31P NMR study of the two-dimensional frustrated square lattice compound BaCdVO(PO4)2. B. Roy, Y. Furukawa,
**R. Nath**, and D. C. Johnston*J. Phys.: Conference Series***320**, 012048 (2011) - Magnetism and superconductivity in Eu0.2Sr0.8(Fe0.86Co0.14)2As2 probed by 75As NMR. R. Sarkar,
**R. Nath**, P. Khuntia, H. S. Jeevan, P. Gegenwart, and M. Baenitz*J. Phys.: Condens. Matter***24**, 045702 (2012)

**Conferences**

- Effect of doping in BaNi2V2O8, a two-dimensional honeycomb antiferromagnet.
**R. C. Nath**, Jaydip Das, and A. V. Mahajan*Presented poster in DAE-SSP symposium (Chandigarh, India), Dec. 2002.* - 31P NMR study of S = ½ 1D HAF systems (Sr,Ba)2Cu(PO4)2 and BaCuP2O7.
**R. Nath**, A. V. Mahajan, N. Büttgen, C. Kegler, A. Loidl, J. Bobroff, and H. Alloul*Presented in DAE-SSP symposium (Amritsar, India), Dec. 2004.* - 31P NMR in the S= ½ one-dimensional chain Sr2Cu(PO4)2. A. V. Mahajan,
**R. Nath**, Ch. Kegler, N. Büttgen, A. Loidl, J. Bobroff and H. Alloul*Presented in the spring meeting of the German Physical Society, Germany, 2004.* - Glass formation of common drugs: What has relaxation to do with aspirin and caffeine? R. Böhmer, B. Geil, T. El Goresy,
**R. Nath**, A. Nowaczyk, and H. Zimmermann*Presented in UCM workshop on "Relaxation in Complex Systems", Madrid, June**2006.* - (Ca,Sr)(VO)2(PO4)2: Strong frustration due to competing ferro and antiferromagnetic interactions.
**R. Nath**, C. Geibel, Alexander A. Tsirlin, and H. Rosner*Presented poster in the international workshop on "Mobile Fermions and Bosons**on Frustrated Lattices", Dresden, Germany (11th January 2007).* - ESR and NMR on the frustrated square lattice ferromagnet SrZn(VO)(PO4)2. T. Foerster,
**R. Nath**, J. Sichelschmidt, M. Baenitz, and C. Geibel*Presented poster in the international workshop on "Korrelationstage 2007"**Dresden, Germany (26th February 2007).* - Spin correlations in frustrated square lattices. M. Skoulatos, J.P. Goff, N. Shannon, E.E. Kaul,
**R. Nath**, C. Geibel, P.P. Deen, A.P. Murani, M. Enderle, and A.R. Wildes*Presented in "4th European conference on neutron scattering" Lund, Sweden.* - 31P NMR on frustrated ferromagnetic square lattices Pb2(VO)(PO4)2 and SrZn(VO)(PO4)2.
**R. Nath**, M. Baenitz, N. Büttgen, and C. Geibel*Presented poster in School+Workshop on "Highly Frustrated Magnets and**strongly correlated Systems" ICTP Trieste, Italy (August-2007).* - Magnetic and thermodynamic properties of frustrated ferromagnetic square lattice BaCdVO(PO4)2.
**R. Nath**, A. A. Tsirlin, H. Rosner, and C. Geibel*Oral presentation at DPG spring meeting, Berlin (25th February-2008).* - Low-dimensional spin-½ systems in vanadium oxides: magnetic properties of Ag2VP2O8 and AgVAsO5 A. A. Tsirlin,
**R. Nath**, C. Geibel, and H. Rosner*Presented in Moscow International Symposium on Magnetism, 20th June 2008*. - Magnetic, Thermal, and Transport Properties of Layered Arsenides BaRu2As2 and SrRu2As2
**R. Nath**, Y. Singh, and D. C. Johnston*Oral presentation in APS March Meeting, Pittsburgh, USA (16th March**2009).* - Spin excitations in the novel two-leg spin-ladder compound BiCu2PO6. M. Skoulatos, K. Habicht, B. Lake, C. Geibel,
**R. Nath**, D.T. Adroja, J. Bobroff, and A. Mahajan International Conference on Magnetism-ICM 2009 in Karlsruhe, Germany July 26-31, 2009 - 31P NMR studies of the frustrated square lattice compound Pb2(VO)(PO4)2.
**R. Nath**, C. Geibel, E. E. Kaul, Y. Furukawa, and D. C. Johnston Oral presentation in International Conference on Magnetic Materials (ICMM 2010) in Kolkata, India October 25-29, 2010. - Synthesis, structure, and properties of tetragonal Sr2Mn3As2O2 and Sr2Mn2CuAs2O2 containing alternating CuO2-type and FeAs-type layers.
**R. Nath**, V. O. Garlea, A. I. Goldman, and D. C. Johnston Oral presentation in Conference on Current Trends in Condensed Matter Physics 2010 (CTCMP-2010) at NISER, Bhubaneswar (15th-19th December 2010). - Low-temperature 31P NMR study of the two-dimensional frustrated square lattice compound BaCdVO(PO4)2. B. Roy, Y. Furukawa,
**R. Nath**, and D. C. Johnston International conference on frustration in condensed matter to be held in Sendai, Japan from Jan 11-14, 2011. - Low Temperature
^{31}P NMR study of the frustrated square-lattice compound BaCdVO(PO_{4})_{2}. B. Roy,**R. Nath**, D. C. Johnston, and Y. Furukawa, ^{31}P NMR study on Eu(Ni_{1-x}Fe_{x})_{2}P_{2}: from valence fluctuations to ferromagnetic order. M. Baenitz,**R. Nath**, R. Sarkar, H. Jeevan, P. Gegenwart, Z. Hossain, N. Caroca-Canales, C. Geibel, and F. Steglich