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Cs3H(SeO4)(2) at 300 K by high-resolution neutron powder diffraction

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS 53 (1997) 1529-1531

Authors:

R Sonntag, R Melzer, T Wessels, PG Radaelli
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Hysteresis of the pressure-induced Jahn-Teller switch in deuterated ammonium copper(II) Tutton salt, (ND4)(2)[Cu(D2O)(6)](SO4)(2)

INORGANIC CHEMISTRY 36:15 (1997) 3382-&

Authors:

AJ Schultz, MA Hitchman, JD Jorgensen, S Lukin, PG Radaelli, CJ Simmons, H Stratemeier
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Stripe structure and non-homogeneity of the CuO2 plane by joint EXAFS and diffraction

JOURNAL DE PHYSIQUE IV 7:C2 (1997) 735-740

Authors:

A Bianconi, NL Saini, A Lanzara, M Lusignoli, T Rossetti, PG Radaelli, P Bordet, A Kvick, H Oyanagi
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Crystal and magnetic structures of the colossal magnetoresistance manganates Sr2-xNd1+xMn2O7 (x=0.0, 0.1).

Phys Rev B Condens Matter 54:22 (1996) 15967-15977

Authors:

PD Battle, MA Green, NS Laskey, JE Millburn, PG Radaelli, MJ Rosseinsky, SP Sullivan, JF Vente
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Determination of SAW phase velocities on the nanoscale

Proceedings of the IEEE Ultrasonics Symposium 2 (1996) 811-814

Authors:

T Hesjedal, E Chilla, HJ Froehlich

Abstract:

This paper reports about the first determination of the phase velocity of surface acoustic waves (SAWs) on the nanometer scale. With a scanning acoustic force microscope (SAFM) a maximum lateral resolution of 19.9 nm has been achieved. This is almost two orders of magnitude better than the resolution of standard quantitative acoustic microscopy. The key of measuring the phase of high frequency signals with a slowly responding SAFM cantilever is frequency mixing at its non-linear force curve. For demonstrating its abilities SAW dispersion was studied on Au layers of different thicknesses by SAFM over a lateral distance of down to 200 nm.
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