Coffey, D., DeMarco, M., Ho, P. C., Maple, M. B., Sayles, T., Lynn, J. W., ...
The M\"{o}ssbauer Effect(ME) is frequently used to investigate magnetically ordered systems. One usually assumes that the magnetic order induces a hyperfine magnetic field, $B_{hyperfine}$, at the ME...
Ye, F., Chi, Songxue, Fernandez-Baca, J. A., Moreo, A., Dagotto, E., Lynn, J. W., ...
We use neutron scattering to investigate the doping evolution of the magnetic correlations in the single-layer manganite $\rm Pr_{\it 1-x}Ca_{\it 1+x}MnO_4$, away from the $x=0.5$ composition where...
Origin of Electric Field Induced Magnetization in Multiferroic HoMnO3 (2009)
Ueland, B. G., Lynn, J. W., Laver, M., Choi, Y. J., Cheong, S. W.
We have performed polarized and unpolarized small angle neutron scattering experiments on single crystals of HoMnO3 and have found that an increase in magnetic scattering at low momentum transfers...
Lattice distortion and magnetic quantum phase transition in CeFeAs(1-x)P(x)O (2009)
De La Cruz, Clarina, Hu, W. Z., Li, Shiliang, Huang, Q., Lynn, J. W., Green, M. A., ...
We use neutron scattering to show that replacing the larger arsenic with smaller phosphorus in CeFeAs(1-x)P(x)O simultaneously suppresses the AF order and orthorhombic distortion near x = 0.4,...
Determination of the magnetic structure of Yb3Pt4: a k=0 local-moment antiferromagnet (2009)
Janssen, Y., Kim, M. S., Park, K. S., Wu, L. S., Marques, C., Bennett, M. C., ...
We have used neutron diffraction measurements to study the zero-field magnetic structure of the intermetallic compound Yb3Pt4, which was earlier found to order antiferromagnetically at the Neel...
Liu, D. M., Huang, Q., Yue, M., Lynn, J. W., Liu, L. J., Chen, Y., ...
Neutron powder diffraction studies of the crystal and magnetic structures of the magnetocaloric compound Mn1.1Fe0.9(P0.8Ge0.2) have been carried out as a function of temperature, applied magnetic...
Coupled magnetic and ferroelectric domains in multiferroic Ni3V2O8 (2009)
Cabrera, I., Kenzelmann, M., Lawes, G., Chen, Y., Chen, W. C., Erwin, R., ...
Electric control of multiferroic domains is demonstrated through polarized magnetic neutron diffraction. Cooling to the cycloidal multiferroic phase of Ni3V2O8 in an electric field (E) causes the...
Magnetic ordering in electronically phase separated Sr/O co-doped La(2-x)Sr(x)CuO(4+y) (2009)
Udby, L., Andersen, N. H., Chou, F. C., Christensen, N. B., Emery, S. B., Lefmann, K., ...
We present results of magnetic neutron diffraction experiments on the co-doped super-oxygenated La(2-x)Sr(x)CuO(4+y) (LSCO+O) system with x=0.09. The spin-density wave has been studied and we find...
First-order magnetic and structural phase transitions in Fe1+ySexTe1-x (2009)
Li, S. L., Huang, Q., Chen, Y., Lynn, J. W., Hu, J. P., ...
Magnetic structures of quaternary intermetallic borocarbides RCo2B2C (R=Dy, Ho, Er) (2008)
ElMassalami, M., Moreno, R., Takeya, H., Ouladdiaf, B., Lynn, J. W., Freitas, R. S.
The magnetic structures of the title compounds have been studied by neutron diffraction. In contrast to the isomorphous RNi2B2C compounds wherein a variety of exotic incommensurate modulated...
Synthesis and magnetic characterization of TmCo2B2C (2008)
ElMassalami, M., Rapp, R. E., Chaves, F. A. B., Moreno, R., Takeya, H., Ouladdiaf, B., ...
A new quaternary intermetallic borocarbide TmCo2B2C has been synthesized via a rapid-quench of an arc-melted ingot. Elemental and powder-diffraction analyses established its correct stoichiometry and...
Goldman, A. I., Kreyssig, A., Prokes, K., Pratt, D. K., Argyriou, D. N., Lynn, J. W., ...
Single crystal neutron and high-energy x-ray diffraction have identified the phase lines corresponding to transitions between the ambient-pressure tetragonal (T), the antiferromagnetic orthorhombic...
First-order magnetic and structural phase transitions in Fe$_{1+y}$Se$_x$Te$_{1-x}$ (2008)
Li, Shiliang, De La Cruz, Clarina, Huang, Q., Chen, Y., Lynn, J. W., Hu, Jiangping, ...
We use bulk magnetic susceptibility, electronic specific heat, and neutron scattering to study structural and magnetic phase transitions in Fe$_{1+y}$Se% $_x$Te$_{1-x}$. Fe$_{1.068}$Te exhibits a...
Ye, F., Ren, Y., Fernandez-Baca, J. A., Mook, H. A., Lynn, J. W., Chaudhury, R. P., ...
Elastic neutron scattering is used to study the spin correlations in the multiferroic $\rm Mn_{1-x}Fe_{x}WO_4$ with $x=0.035, 0.05$ and 0.10. The noncollinear, incommensurate (ICM) magnetic structure...
Moore, R. G., Lumsden, M. D., Stone, M. B., Zhang, Jiandi, Chen, Y., Lynn, J. W., ...
Inelastic neutron scattering is used to measure the temperature dependent phonon dispersion in Ca$_{2-x}$Sr$_{x}$RuO$_{4}$ ($x=0.4$, 0.6). The in-plane $\Sigma_{4}$ octahedral tilt mode softens...
Manley, M. E., Sievers, A. J., Lynn, J. W., Kiselev, S. A., Agladze, N. I., Chen, Y., ...
Inelastic neutron measurements of the high temperature lattice excitations in NaI show surprising features. In thermal equilibrium at 555 K an intrinsic mode, localized in three dimensions, is...
Chen, Y., Ueland, B. G., Lynn, J. W., Bychkov, G. L., Barilo, S. N., Mukovskii, Y. M.
The nature of the polarons in the optimally doped colossal magnetoresistive (CMR) materials La0.7Ba0.3MnO3 (LBMO) and La0.7Sr0.3MnO3 (LSMO) is studied by elastic and inelastic neutron scattering. In...
Spin and lattice structures of single-crystalline SrFe2As2 (2008)
Zhao, J., Ratcliff, W., Lynn, J. W., Chen, G. F., Luo, J. L., Wang, N. L., ...
Doping evoluton of antiferromagnetic order and structural distortion in LaFeAsO$_{1-x}$F$_x$ (2008)
Huang, Q., Zhao, Jun, Lynn, J. W., Chen, G. F., Luo, J. L., Wang, N. L., ...
We use neutron scattering to study the structural distortion and antiferromagnetic (AFM) order in LaFeAsO$_{1-x}$F$_{x}$ as the system is doped with fluorine (F) to induce superconductivity. In the...
Low energy spin waves and magnetic interactions in SrFe$_2$As$_2$ (2008)
Zhao, Jun, Yao, Dao-Xin, Li, Shiliang, Hong, Tao, Chen, Y., Chang, S., ...
We report inelastic neutron scattering studies of magnetic excitations in antiferromagnetically ordered SrFe$_{2}$As$_{2}$ ($T_{N}=220$ K), the parent compound of the FeAs-based superconductors. At...
Chi, Songxue, Adroja, D. T., Guidi, T., Bewley, R., Li, Shiliang, Zhao, Jun, ...
We use inelastic neutron scattering to study the crystalline electric field (CEF) excitations of Ce$^{3+}$ in CeFeAsO$_{1-x}$F$_{x}$($x=0,0.16$). For nonsuperconducting CeFeAsO, the Ce CEF levels...
Lattice and Magnetic structures of PrFeAsO, PrFeAsO0.85F0.15 and PrFeAsO0.85 (2008)
Zhao, Jun, Huang, Q., De La Cruz, Clarina, Lynn, J. W., Lumsden, M. D., Ren, Z. A., ...
We use powder neutron diffraction to study the spin and lattice structures of polycrystalline samples of nonsuperconducting PrFeAsO and superconducting PrFeAsO0.85F0.15 and PrFeAsO0.85. We find that...
Pressure-induced volume-collapsed tetragonal phase of CaFe2As2 as seen via neutron scattering (2008)
Kreyssig, A., Green, M. A., Lee, Y., Samolyuk, G. D., Zajdel, P., Lynn, J. W., ...
Recent investigations of the superconducting iron-arsenide families have highlighted the role of pressure, be it chemical or mechanical, in fostering superconductivity. Here we report that CaFe2As2...
Spin and Lattice Structure of Single Crystal SrFe2As2 (2008)
Zhao, Jun, Ratcliff II, W., Lynn, J. W., Chen, G. F., Luo, J. L., Wang, N. L., ...
We use neutron scattering to study the spin and lattice structure on single crystals of SrFe2As2, the parent compound of the FeAs based superconductor (Sr,K)Fe2As2. We find that SrFe2As2 exhibits an...
Magnetic Order of the Iron Spins in NdOFeAs (2008)
Chen, Ying, Lynn, J. W., Li, J., Li, G., Chen, G. F., Luo, J. L., ...
Polarized and unpolarized neutron diffraction measurements have been carried out to investigate the iron magnetic order in undoped NdOFeAs. Antiferromagnetic order is observed below 141(6) K, which...
Li, Shiliang, Chi, Songxue, Zhao, Jun, Stone, M. B., Lynn, J. W., ...
We use thermodynamic and neutron scattering measurements to study the effect of oxygen annealing on the superconductivity and magnetism in Pr$_{0.88}$LaCe$_{0.12}$CuO$_{4-\delta}$. Although the...
Huang, Q., Qiu, Y., Bao, Wei, Lynn, J. W., Green, M. A., Chen, Y., ...
In addition to higher Tc compared with the ubiquitous cuprates for a material composed of a single electronically active layer, the newly discovered LnFeAsO superconductors offer additional...
Zhao, Jun, Huang, Q., De La Cruz, Clarina, Li, Shiliang, Lynn, J. W., Chen, Y., ...
We use neutron scattering to study the structural and magnetic phase transitions in the iron pnictides CeFeAsO1-xFx as the system is tuned from a semimetal to a high-transition-temperature (high-Tc)...
Structure and Magnetic Order in the NdFeAs(O,F) Superconductor System (2008)
Qiu, Y., Bao, Wei, Huang, Q., Yildirim, T., Simmons, J., Lynn, J. W., ...
The transition temperature Tc~26 K of the recently discovered superconductor LaFeAs(O,F) has been demonstrated to be extremely sensitive to the lanthanide ion, reaching 55 K for the Sm containing...
Intrinsic Properties of Stoichiometric LaOFeP (2008)
McQueen, T. M., Regulacio, M., Williams, A. J., Huang, Q., Lynn, J. W., Hor, Y. S., ...
DC and ac magnetization, resistivity, specific heat, and neutron diffraction data reveal that stoichiometric LaOFeP is metallic and non-superconducting above T = 0.35 K, with gamma = 12.5 mJ/mol*K....
Quantum Phase Transition in the Itinerant Antiferromagnet (V0.9Ti0.1)2O3 (2008)
Kadowaki, Hiroaki, Motoya, Kiyoichiro, Sato, Taku J., Lynn, J. W., Fernandez-Baca, J. A., Kikuchi, Jun
Quantum-critical behavior of the itinerant electron antiferromagnet (V0.9Ti0.1)2O3 has been studied by single-crystal neutron scattering. By directly observing antiferromagnetic spin fluctuations in...
Neutron scattering study of the oxypnictide superconductor La(O,F)FeAs (2008)
Qiu, Y., Kofu, M., Bao, Wei, Huang, Q., Yildirim, T., ...
The newly discovered superconductor La(O,F)FeAs (Tc = 26 K) was investigated using the neutron scattering technique. No spin-density-wave (SDW) order was observed in the normal state nor in the...
Inelastic neutron scattering studies of Crystal Field Levels in PrOs$_4$As$_{12}$ (2008)
Chi, Songxue, Dai, Pengcheng, Barnes, T., Kang, H. J., Lynn, J. W., Bewley, R., ...
We use neutron scattering to study the Pr$^{3+}$ crystalline electric field (CEF) excitations in the filled skutterudite PrOs$_4$As$_{12}$. By comparing the observed levels and their strengths under...
Structure and magnetic properties of the Ho2Ge2O7 pyrogermanate (2008)
Morosan, E., Fleitman, J. A., Huang, Q., Lynn, J. W., Chen, Y., Ke, X., ...
We report the anisotropic magnetic properties of Ho2Ge2O7 determined from dc and ac magnetization, specific heat and powder neutron diffraction experiments. The magnetic lanthanide sublattice, seen...
Low Energy Spin Waves and Magnetic Interactions in SrFe2As2 (2008)
Zhao, J., Yao, D. X., Li, S. L., Hong, T., Chen, Y., Chang, S., ...
We report inelastic neutron scattering studies of magnetic excitations in antiferromagnetically ordered SrFe2As2 (TN=200â"220 K), the parent compound of the FeAs-based superconductors. At low...
Qu, Z., Spinu, L., Yuan, H., Dobrosavljević, V., Bao, W., Lynn, J. W., ...
McQueen, T. M., Huang, Q., Lynn, J. W., Berger, R. F., Klimczuk, T., Ueland, B. G., ...
The magnetic properties of $\alpha$-NaFeO$_2$ are studied by neutron diffraction and magnetization measurements. An ordered phase with spins aligned along the b$_hex$ axis exists at low temperatures...
Magnetic excitations of RNi2B2C single crystals with R = Tb and Ho (2004)
Kreyssig, A., Stockert, O., Reznik, D., Woodward, F. M., Lynn, J. W., Bitterlich, H., ...
Low-energy phonons in TbNi§2B§2C and HoNi§2B§2C. (2004)
Kreyssig, A., Stockert, O., Reznik, D., Woodward, F.M., Lynn, J.W., Reichardt, W., ...
Proc. of the 3. European Conference on Neutron Scattering, Montpellier, F, September 3-6, 2003
Magnetic excitations of RNi§2B§2C single crystals with R = Tb and Ho. (2004)
Kreyssig, A., Stockert, O., Reznik, D., Woodward, F.M., Lynn, J.W., Bitterlich, H., ...
Proc.of the 7th Internat.Conf.on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M2SRIO), Rio de Janeiro, BR, May 25-30, 2003
Giant Anharmonicity and Nonlinear Electron-Phonon Coupling in MgB2 (2001)
Brown, C. M., Gülseren, O., Lynn, J. W., Udovic, T. J., Yildirim, T.
Spin Dynamics and Orbital State in LaTiO3 (2000)
Keimer, B., Casa, D., Ivanov, A., Lynn, J. W., Von Zimmermann, M., Hill, J. P., ...
Spin structure of the dopable quasi-one-dimensional copper oxide Ca2Y2Cu5O10. (1999)
Fong, H. F., Keimer, B., Lynn, J. W., Hayashi, A., Cava, R. J.
Magnetic ordering in single crystals of PrBa2Cu3O7-δ. (1998)
Uma, S., Schnelle, W., Gmelin, E., Rangarajan, G., Skanthakumar, S., Lynn, J. W., ...
The magnetic response of paramagnetic Fe at high energy transfers (1985)
Brown, P.J., Capellmann, H., Déportes, J., Givord, D., Johnson, S.M., Lynn, J.W., ...
Previous measurements in paramagnetic iron using polarized neutrons with polarization analysis revealed strong forward magnetic scattering. By contrast, the scattering at large wavevectors, was...
The magnetic response of paramagnetic Fe at high energy transfers (1985)
Brown, P.J., Capellmann, H., Déportes, J., Givord, D., Johnson, S.M., Lynn, J.W., ...
Previous measurements in paramagnetic iron using polarized neutrons with polarization analysis revealed strong forward magnetic scattering. By contrast, the scattering at large wavevectors, was...
Observation of long range magnetic order in the reentrant superconductor HoMo6S8 (1981)
Lynn, J.W., Raggazoni, A., Pynn, R., Joffrin, J.
High resolution small-angle neutron scattering experiments have been carried out on HoMo6S8 to investigate the magnetic behaviour in the vicinity of the reentrant superconducting transition. With...
Observation of long range magnetic order in the reentrant superconductor HoMo6S8 (1981)
Lynn, J.W., Raggazoni, A., Pynn, R., Joffrin, J.
High resolution small-angle neutron scattering experiments have been carried out on HoMo6S8 to investigate the magnetic behaviour in the vicinity of the reentrant superconducting transition. With...
Patterson, Howard H., Lynn, J. W., Shirane, G.
This work was performed under the auspices of the U.S, Energy Research and Development Agency. Present address of J.W. LYNN Department of Physics University of Maryland College Park, Maryland, 20742.