Neutron Scattering Group


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Bai, F.M., Wang, N.G., Li, J.F., Viehland, D., Gehring, P.M., Xu, G., and Shirane, G. X-ray and neutron diffraction investigations of the structural phase tranformation sequence under electric field in 0.7Pb(Mg1/3Nb2/3)O3 – 0.3PbTiO3 crystals. J. Appl. Phys. 96, 1620-1627 (2004).

Behr, G., Löser, W., Apostu, M.-O., Gruner, W., Hücker, M., Schramm, L., Souptel, D., and Werner, J. Floating zone growth of CuO under elevated oxygen pressure and its relevance for the crystal growth of cuprates. J. of Crystal Growth (submitted).

Bing, Y.-H., Bokov, A.A., Ye, Z.-G., Noheda, B., and Shirane, G. Structural phase transition and dielectric relaxation in Pb(Zn1/3Nb2/3)O3 single crystals. Phys. Rev. B (submitted).

Boothroyd, A.T., Freeman, P.G., Prabhakaran, D., Woo, H., Nakajima, K., Tranquada, J.M., Yamada, K., and Frost, C.D. Spin excitations in stripe-ordered La2-xSrxNiO4 (x = 0.275 and 1/3). J. Magn. Magn. Mater. 272-276, 265-266 (2004).

Conlon, K., Luo, H., Viehland, D., Li, J.F., Whan, T., Fox, J.H., Stock, C., and Shirane, G. Direct observation of the near-surface layer in Pb(Mg1/3Nb2/3)O3 using neutron diffraction. Phys. Rev. B (submitted); cond-mat/0407609.

Cox, D.E., Noheda, B., and Shirane, G. Low-temperature phases in PbZr0.52Ti0.48O3: A neutron powder diffraction study. Phys. Rev. B (submitted); cond-mat/0408177.

Fujita, M., Goka, H., Yamada, K., Tranquada, J.M., and Regnault, L.P. Stripe order, depinning, and fluctuations in La1.875Ba0.125CuO4 and La1.875Ba0.075Sr0.050CuO4. Phys. Rev. B 70, 104517 (2004).

Fujita, M., Goka, H., Tranquada, J.M., and Yamada, K. Stripe correlations in La1.875Ba0.125CuO4. Physica C 408-410, 451-452 (2004).

Gehring, P.M., Ohwada, K., and Shirane, G. Electric-field effects on the diffuse scattering in PbZn1/3Nb2/3O3 doped with 8% PbTiO3. Phys. Rev. B 70, 014110 (2004).

Gnezdilov, V.P., Pashkevich, Yu.G., Tranquada, J.M., Lemmens, P., Guntherodt, G., Yeremenko, A.V., Barilo, S.N., Shiryaev, S.V., Kurnevich, L.A., and Gehring, P.M. Interplay of structural and electronic phase separation in single-crystalline La2CuO4.05 studied by neutron and Raman scattering. Phys. Rev. B69, 174508 (2004).

Gu, G.D., Hücker, M., Kim, Y.-J., Tranquada, J.M., Dabkowska, H., Luke, G.M., Timusk, T., Gaulin, B.D., Li, Q., and Moodenbaugh, A.R. Crystal growth and superconductivity of (La1-xCax)2CaCu2O6+d . J. Phys. Chem. Solids (submitted).

He, R.H., Feng, D.L., Eisaki, H., Shimoyama, J.-I., Kishio, K., and Gu, G.D. Superconducting order parameter in heavily overdoped Bi2Sr2CaCu2O8+d . Phys. Rev. B 69, 220502(R) (2004).

Hess, C., ElHaes, H., Büchner, B., Ammerahl, U., Hücker, M., and Revcolevschi, A. Magnon-hole scattering and charge order in Sr14-xCaxCu24O41. Phys. Rev. Lett. 93, 027005 (2004).

Hiraka, H., Lee, S.-H., Gehring, P.M., Xu, G., and Shirane, G. Cold-neutron scattering study on diffuse and phonon excitations in the relaxor Pb(Mg1/3Nb2/3)O3. Phys. Rev. B (accepted); cond-mat/0403544.

Hücker, M., Klauss, H.-H., and Büchner, B. Frustration of the interlayer coupling by mobile holes in La2-xSrxCuO4(x < 0.02). Phys. Rev. B. (submitted); cond-mat/0210357.

Hücker, M., Kataev, V., Pommer, J., Ammerahl, U., Revcolevschi, A., Tranquada, J.M., and Büchner. Dzyaloshinsky-Moriya spin canting in the LTT phase of La2-x-yEuySrxCuO4. Phys. Rev. B (accepted); cond-mat/0309461.

Hücker, M., Chung, K., Chand, M., Vogt, T., Tranquada, J.M., and Buttrey, D.J. Oxygen and strontium codoping of La2NiO4: room temperature phase diagrams. Phys. Rev. B70, 064105 (2004).

Hücker, M., Kim, Young-June, Gu, G.D., Tranquada, J.M., Gaulin, B.D., and Lynn, J.W. Neutron scattering study on La1.9Ca1.1Cu2O6+d and La1.85Sr0.15CaCu2O6+d . Phys. Rev. B (accepted); cond-mat/0408298.

Hwang, J., Timusk, T., Puchkov, A.V., Wang, N.L., Gu, G.D., Homes, C.C., Tu, J.J., and Eisaki, H. Marginal Fermi liquid analysis of 300 K reflectance of Bi2Sr2CaCu2O8+d . Phys. Rev. B69, 094520 (2004).

Hwang, J., Timusk, T., and Gu, G.D. High-transition-temperature superconductivity in the absence of the magnetic-resonance mode. Nature 427, 714-716 (2004).

Khatsko, E.N., Zheludev, A., Tranquada, J.M., Klooster, W.T., Knigavko, A.M., and Srivastava, R.C. Neutron scattering study of the layered Ising magnet CsDy(MoO4)2. Low Temp. Phys. 30, 133-139 (2004); Fizika Nizkikh Temperatur 30, 184-192 (2004).

Kim, Y.-J., Hill, J.P., Gu, G., Chou, F., Wakimoto, S., Birgeneau, R., Komiya, S., Ando, Y., Motoyama, N., Kojima, K., Uchida, S., Casa, D., and Gog, T. Molecular orbital excitations in cuprates. Phys. Rev. B (submitted); cond-mat/0407179.

Kivelson, S.A., Fradkin, E., Oganesyan, V., Bindloss, I.P., Tranquada, J.M., Kapitulnik, A., and Howald, C. How to detect fluctuating order in the high-temperature superconductors. Rev. Mod. Phys. 75, 1201 (2003).

Klingeler, R., Büchner, B., Cheong,, S-W., and Hücker, M. Weak ferromagnetism of the charge stripes in La5/3Sr1/3NiO4. Phys. Rev. B (submitted).

Kroll, T., Klingeler, R., Geck. J., Büchner, B., Selke, W., Hücker, M., and Gukasov, A. Magnetism of low doped spin chains in Lax(Sr,Ca)14-xCu24O41. J. Magn. Magn. Mater. (submitted).

Li, J.Q., Chen, H.Y., Zhang, H.R., Yu, H.C., Shi, Y.G., Liu, L.B., Tian, H.F., Zhu, Y., and Tranquada, J.M. Structural properties and charge ordered states in RMnO3 (R=La, Pr, Nd, Ca, Sr) and (La, Sr)2NiO4. Micron 35, 419-424 (2004).

Pintschovius, L., Endoh, Y., Reznik, D., Hiraka, H., Tranquada, J.M., Reichardt, W., Uchiyama, H., Masui, T., Tajima, S. Evidence for dynamic charge stripes in the phonons of optimally doped YBCO. Phys. Rev. Lett. (submitted); cond-mat/0308357.

Pintschovius, L., Reznik, D., Reichardt, W., Endoh, Y., Hiraka, H., Tranquada, J.M., Uchiyama, H., Masui, T., and Tajima, S. Oxygen phonon branches in YBa2Cu3O7. Phys. Rev. B69, 214506 (2004).

Rigal, L.B., Schmadel, D.C., Drew, H.D., Maiorov, B., Osquigil, E., Preston, J.S., Hughes, R., and Gu, G.D. Magneto-optical evidence for a gapped Fermi surface in underdoped YBa2Cu3O6+x. J. Appl. Phys. (submitted); cond-mat/0309108.

Roca, L., Izquierdo, M., Avila, J., Gu, G.D., Asensio, M.C. Photon energy and polarization dependence of the Fermi surface in optimally doped Bi2Sr2CaCu2O8+d superconductors. J. Electron Spectrosc. Relat. Phenom. 137-140, 657-661 (2004).

Schmadel, D.C., Tu, J.J., Rigal, L.B., Romero, D.B., Grayson, M., Gu, G.D., Drew, H.D. The mid-infrared AC Hall effect in optimally-doped Bi2Sr2CaCu2O8+d . Phys. Rev. Lett. (submitted).

Shapiro, S.M., Bao, Wei, Raymond, S., Lee, S.H., Motoya, K. Observation of linear spin wave dispersion in re-entrant spin glass Fe0.7Al0.3. J. Appl. Phys. A (submitted).

Shapiro, S.M., Zaliznyak, I.A., Passell, L., and Ghosh, V. HYSPEC: A crystal time-of-flight hybrid spectrometer for the spallation neutron source. 16th Meeting of the International Collaboration on Advanced Neutron Sources (ICANS-XVI), Dusseldorf-Neuss, Germany.

Shirane, G., Xu, Guangyong, and Gehring, P.M. Dynamics and structure of PMN and PZN. Ferroelectrics (submitted).

Simovic, B., Nicklas, M., Hammel, P.C., Hücker, M., Büchner, B., and Thompson, J.D. Interplay between freezing and superconductivity in the optimallyb doped La1.65Eu0.2Sr0.15CuO4 under hydrostatic pressure. Europhys. Lett. 66, 722-728 (2004).

Stock, C., Birgeneau, R.J., Wakimoto, S., Gardner, J.S., Chen, W., Ye, Z.-G., and Shirane, G. Universal static and dynamic properties of the structural transition in Pb(Zn1/3Nb2/3)O3. Phys. Rev. B69, 094104 (2004).

Stock, C., Luo, H., Viehland, D., Li, J.F., Swainson, I., Birgeneau, R.J., and Shirane, G. Strong influence of the diffuse component on the lattice dynamics in Pb(Mg1/3Nb2/3)O3. Phys. Rev. B (submitted); cond-mat/0404086.

Tranquada, J.M., Lee, C.H., Yamada, K., Lee, Y.S., Regnault, L.P., and Rønnow, H.M. Evidence for an incommensurate magnetic resonance in La2-xSrxCuO4. Phys. Rev. B69, 174507 (2004).

Tranquada, J.M. Metallic charge stripes in cuprates. Physica C 408-410, 426-429 (2004); cond-mat/0308214.

Tranquada, J.M., Woo, H., Perring, T.G., Goka, H., Gu, G.D., Xu, G., Fujita, M., and Yamada, K. Quantum magnetic excitations from stripes in copper-oxide superconductors. Nature 429, 534-538 (2004).

Valla, T., Kidd, T., Johnson, P., Kim, K., Homes, C., and Gu, G. Doping of a one-dimensional Mott insulator: photoemission and optical studies of Sr2CuO3+d . Phys. Rev. Lett. (submitted); cond-mat/0403486.

Wakimoto, S., Lee, S.-H., Gehring, P.M., Birgeneau, R.J., and Shirane, G. Neutron scattering study of soft phonons and diffuse scattering in insulating La1.95Sr0.05CuO4. J. Phys. Soc. Jpn. (submitted); cond-mat/0408519.

Wang, Yayu, Li, Lu, Naughton, M.J., Gu, G.D., Uchida, S., and Ong, N.P. Enhanced diamagnetism in the pseudogap state of the cuprate Bi2Sr2CaCu2O8+d . Nature (submitted).

Woo, Hyungje, Zaliznyak, Igor, Perring, Toby, Broholm, Collin, Frost, Chris, Takagi, Hidenori. Spinons in a strongly correlated copper oxide chain. ISIS Highlight Report (2003).

Woo, Hyungje, Zaliznyak, Igor, Perring, Toby G., Broholm, Collin, Frost, Christopher, and Takagi, Hidenori. Spinons in a strongly correlated copper oxide chain. Physica B 350, E-249-E252 (2004).

Xu, Guangyong, Viehland, D., Li, J.F., Gehring, P.M., and Shirane, G. Evidence of decoupled lattice distortion and ferroelectric polarization in the relaxor system PMN-xPT. Phys. Rev. B68, 212410 (2003).

Xu, Guangyong, Shirane, G., Copley, J.R.D., and Gehring, P.M. Neutron elastic diffuse scattering study of Pb(Mg1/3Nb2/3)O3. Phys. Rev. B69, 064112 (2004).

Xu, Guangyong, Hiraka, H., Shirane, G., and Ohwada, K. Dual structures in (1-x)Pb(Zn1/3Nb2/3)O3-xPbTiO3 ferroelectric relaxors. Appl. Phys. Lett. 84, 3975-3977 (2004).

Xu, Guangyong, Zhong, Z., Bing, Y., Ye, Z.-G., Stock, C., and Shirane, G. An anomalous phase in the relaxor ferroelectric Pb(Zn1/3Nb2/3)O3. Phys. Rev. B (submitted).

Xu, Guangyong, Zhong, Z., Hiraka, H., and Shirane, G. 3-D mapping of diffuse scattering in Pb(Zn1/3Nb2/3)O3-xPbTiO3. Phys. Rev. B (submitted).

Ye, Z.-G., Bing, Y., Gao, J., Bokov, A.A., Stephens, P., Noheda, B., and Shirane, G. Development of ferroelectric ordering in relaxor (1-x)Pb(Mg1/3Nb2/3)O3 –xPbTiO3 (0 ≤ x ≤ 0.15). Phys. Rev. B67, 094111 (2003).

Zaliznyak, I.A. Spiral order induced by distortion in frustrated square-lattice antiferromagnet. Phys. Rev. B69, 092404 (2004).

Zaliznyak, I.A. Heisenberg magnet with modulated exchange. Phys. Rev. B68, 134451 (2003).

Zaliznyak, I.A., Tranquada, J.M., Gu, G., Erwin, R.W., and Moritomo, Y. Universal features of charge and spin order in a half-doped layered perovskite. J. Appl. Phys. 95, 7369-7371 (2004).

Zaliznyak, I.A., Woo, H., Perring, T.G., Broholm, C.L., Frost, C.D., and Takagi, H. Spinons in the strongly correlated copper oxide chains in SrCuO2. Phys. Rev. Lett. 93, 087202 (2004).

Zaliznyak, Igor A., and Lee, Seung-hun. Magnetic Neutron Scattering. Modern Techniques for Characterizing Magnetic Materials, Ed. Y. Zhu (Kluwer Academic, New York, 2004).

Zheludev, A., Honda, Z., Broholm, C.L., Katsumata, K., Shapiro, S.M., Kolezhuk, A., Park, S., and Qiu, Y. Massive triplet excitations in a magnetized anisotropic Haldane spin chain. Phys. Rev. B68, 134438 (2003).

Zheludev, A., Shapiro, S.M., Honda, Z., Katsumata, K., Grenier, B., Ressouche, E., Regnault, L.-P., Chen, Y., Vorderwisch, P., Mikeska,, H.-J., and Kolezhuk, A.K. Dynamics of an anisotropic Haldane antiferromagnet in strong magnetic field. Phys. Rev. B69, 054414 (2004).

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