Session Index
Session J34: Focus Session: Iron Pnictides and Other Novel Superconductors VII: Pressure Effects and Thermal Expansion |
Show Abstracts |
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Sponsoring Units: DCMP Chair: Neil Sullivan, University of Florida Room: 404 |
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Tuesday, March 17, 2009 11:15AM - 11:51AM |
J34.00001: Effects of pressure on CaFe$_{2}$As$_{2}$ and related materials Invited Speaker: Paul Canfield Preview Abstract |
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Tuesday, March 17, 2009 11:51AM - 12:03PM |
J34.00002: Discovery of a pressure-induced ``collapsed'' phase in CaFe$_{2}$As$_{2}$ A. Kreyssig$^{1,2}$ , M.A. Green$^{3,4}$ , Y. Lee$^{1,2}$ , G.D. Samolyuk$^{1,2}$ , P. Zajdel$^{3,5}$ , J.W. Lynn$^{3}$ , S.L. Bud'ko$^{1,2}$ , M.S. Torikachvili$^{6}$ , N. Ni$^{1,2}$ , S. Nandi$^{1,2}$ , J.B. Le\~{a}o$^{3}$ , S.J. Poulton$^{3,4}$ , D.N. Argyriou$^{7}$ , B.N. Harmon$^{1,2}$ , R.J. McQueeney$^{1,2}$ , P.C. Canfield$^{1,2}$ , A.I. Goldman$^{1,2}$ Preview Abstract |
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Tuesday, March 17, 2009 12:03PM - 12:15PM |
J34.00003: Pressure-induced superconducting state of CaFe$_{2}$As$_{2}$ from an antiferromagnetic spin-density-wave state Hanoh Lee , Eunsung Park , Tuson Park , F. Ronning , E.D. Bauer , J.D. Thompson Preview Abstract |
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Tuesday, March 17, 2009 12:15PM - 12:27PM |
J34.00004: Structural changes in pressure induced superconducting BaFe$_{2}$As$_{2}$: Similarities to chemical doping Simon Kimber , Andreas Kreyssig , Fabiano Yokaichiya , Dimitri Argyriou , Jiaqiang Yan , Thomas Hansen , Tapan Chatterji , Robert McQueeney , Paul Canfield , Alan Goldman Preview Abstract |
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Tuesday, March 17, 2009 12:27PM - 12:39PM |
J34.00005: Dffraction Studies of the P-T Phase Diagram with Single-Crystal Ca122 A.I. Goldman , A. Kreyssig , K. Prokes , D.K. Pratt , D.N. Argyriou , J.W. Lynn , S. Nandi , S.A.J. Kimber , Y. Chen , Y.B. Lee , G. Samolyuk , J.B. Leao , S.J. Poulton , S.L. Budko , N. Ni , P.C. Canfield , B.N. Harmon , R.J. McQueeney Preview Abstract |
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Tuesday, March 17, 2009 12:39PM - 12:51PM |
J34.00006: Pressure-induced shift of $T_c $ in $K_x Sr_{1-x} Fe_2 As_2 $ (x = 0.2, 0.4, 0.7): Analogy to the high-T$_{c}$ cuprate superconductors Melissa Gooch , Bing Lv , Bernd Lorenz , Arnold Guloy , Ching-Wu Chu Preview Abstract |
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Tuesday, March 17, 2009 12:51PM - 1:03PM |
J34.00007: Pressure Effect on the Structural and Magnetic Transition in CaFe$_2$As$_2$ Shiliang Li , Ying Chen , Jeffrey Lynn , Xianhui Chen , Pengcheng Dai Preview Abstract |
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Tuesday, March 17, 2009 1:03PM - 1:15PM |
J34.00008: Pressure dependence of the inelastic neutron scattering response of CaFe$_{2}$As$_{2}$. S. Rosenkranz , R. Osborn , E. Goremychkin , I.S. Todorov , D.Y. Chung , H. Claus , J.A. Schlueter , C.D. Malliakas , M.G. Kanatzidis , A.D. Christianson , R.I. Bewley , T. Guidi Preview Abstract |
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Tuesday, March 17, 2009 1:15PM - 1:27PM |
J34.00009: Thermal expansion and pressure derivatives of $T_c$ in Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$ single crystals S.L. Bud'ko , M.S. Torikachvili , N. Ni , J.-Q. Yan , P.C. Canfield , G.M. Schmiedeshoff Preview Abstract |
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Tuesday, March 17, 2009 1:27PM - 1:39PM |
J34.00010: High-Resolution Thermal Expansion Measurements of CaFe$_2$As$_2$ Ariana de Campos , M.S. da Luz , J.J. Neumeier , E.D. Bauer , F. Ronning , J.D. Thompson , Hanoh Lee , Tuson Park , Eunsung Park Preview Abstract |
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Tuesday, March 17, 2009 1:39PM - 1:51PM |
J34.00011: Magnetic Ordering and Negative Thermal Expansion in PrFeAsO D.N. Argyriou , S.A.J. Kimber , F. Yokaichiya , K. Habicht , S. Gerischer , R Klingeler , C. Hess , G. Behr , A. Kondrat , B. B\"uchner , T. Hansen , T. Chatterji Preview Abstract |