Publications from Robert Hallock's Research Group since 1991 Publications from Robert Hallock's Research Group since 1991
Research Publications:
"Temperature and Field Dependent IV Characteristics of
an Ag-YBa$_2$Cu$_3$O$_{7-x}$ Fiber" (with W.M. Tiernan),
Phys. Rev. B 43, 10508 (1991).
"Linear T$_c$ Depression in Mg Doped YBa$_2$Cu$_3$O$_{7-x}$"
(with W.M. Tiernan), Phys. Rev. B 44, 4661 (1991).
"Longitudinal NMR Relaxation of Degenerate 2-D
3He in 4He Films" (with D.T. Sprague and N. Alikacem), Phys. Rev. B
(RC), 44, 9776 (1991).
"Energetics of 3He States in 4He Films" (with N.
Alikacem and D.T. Sprague), Phys. Rev. Letters {\bf 67}, 2501 (1991).
"Anomalous Wetting of Helium on Cesium" (with
K.S. Ketola and S. Wang), Phys. Rev. Letters 68, 201 (1992).
"Properties of 3He in Thin 4He Films"
(with N. Alikacem, R.H. Higley and D.T. Sprague), J. Low Temp. Phys.
87, 279 (1992).
"Superconducting Properties of Polycrystalline
YBa$_2$Cu$_3$O$_{7-x}$: Evidence for a Gauge Glass" (with W.M. Tiernan)
Phys. Rev. B 46 3688 (1992).
"Anomalous Wetting of Helium on Cesium" (with K.S. Ketola and
S. Wang), J. Low Temp. Phys. 89, 601 (1992).
"Third Sound and Mass Adsorption Studies of 4He on
C$_{60}$" (with K.S. Ketola, S. Wang and A.F. Hebard), J. Low Temp. Phys.
89, 609 (1992).
"Spin Diffusion and Magnetization Studies of 3He in 3He
- 4He Mixture Films" (with D.T. Sprague, N. Alikacem and P.A. Sheldon),
J. Low Temp. Phys. 89, 605 (1992).
"Self-Organized Criticality in 4He with a Heat Current",
(with D. Candela and J. Machta), Phys. Rev. E 47, 4581 (1993).
"I-V Characteristics and the Superconducting Transition in
Polycrystalline YBa$_2$Cu$_3$O$_{7-x}$" (with W.M. Tiernan and R. Joshi),
Phys. Rev. B 48, 3423 (1993).
"The Influence of 3He on the Wetting of 4He to a
Cesiated Substrate", (with K.S. Ketola), J. Low Temp. Phys. 93, 935
(1993).
"Effect of 3He on the Wetting of 4He to a Cesium Coated
Substrate", (with K.S. Ketola), Phys. Rev. Letters 71, 3295 (1993).
"Memory, Congruence and Avalanche Effects in Hysteretic
Capillary Condensation", (with M.P. Lilly and P.A. Finley), Phys. Rev.
Letters 71, 4186 (1993).
"3He Binding Energy to Thin Helium Mixture Films", (with
D.T. Sprague, N. Alikacem and P.A. Sheldon), Phys. Rev. Letters 72,
384 (1994).
"AC Susceptibility Near the Superconductuing Transition in
Polycrystalline YBa$_2$Cu$_3$O$_{7-x}$", (with W.M. Tiernan), Phys. Rev. B
49, 9168 (1994).
"Binding Energy of 3He in thin 4He Films", (with D.T.
Sprague, N. Alikacem and P.A. Sheldon), Physica B 194-196, 629 (1994).
"3He Spin Diffusion in Thin 4He Films", (with D.T.
Sprague, N. Alikacem and P.A. Sheldon), Physica B 194-196, 631 (1994).
"Amplitude Saturation of Pulsed Third Sound on Glass", (with
K.S. Ketola and S. Wang), Physica B 194-196, 649 (1994).
"Third Sound and Quartz Crystal Resonance Studies of Helium
Adsorbed to C$_{60}$", (with K.S. Ketola, S. Wang and A.F. Hebard), Physica
B 194-196, 651 (1994).
"Observation of Third Sound Pulses in Collision", (with K.S.
Ketola and S. Wang), Physica B 194-196, 653 (1994).
"Memory and Hysteretic Capillary Condensation of 4He in
Nuclepore", (with M.P. Lilly), Physica B 194-196, 691 (1994).
"Third Sound in 3He - 4He Mixture Films", with (P.A.
Sheldon, D.T. Sprague, N. Alikacem and J. Vithayathil), Physica B
194-196, 877 (1994).
"Third Sound and Energetics in 3He -4He Mixture Films",
(with P.A. Sheldon), Phys. Rev. B. 50, 16082 (1994).
"Antibody Binding to Antigen-Coated Substrates Studied with
Surface Plasmon Oscillations", (with J.R. Rahn), Langmuir 11,
650 (1995).
"Hysteresis in a Capillary Condensation System", (with M.P.
Lilly), Materials Research Society Symposium Proceedings, vol. 366,
{\it Dynamics in Small Confining Systems II}, ed. J.M. Drake et al.,
p. 241, 1995.
"3He Mobility and Localization in 4He Films", (with D.T.
Sprague and N. Alikacem), Phys. Rev. Letters 74, 4479
(1995).
"Novel Behavior of 3He-4He Mixture Films on a
Cesium Coated Substrate at Low
Temperatures", (with K.S. Ketola and T.A. Moreau), J.
Low Temp. Phys. 101, 343 (1995).
"Experiments to Search for a Substrate State for $^3$He
Adjacent to Surfaces in 3He - 4He Mixtures", (with P.A. Sheldon and
J.P. Vithayathil), J. Low Temp. Phys. 101, 231 (1995).
"Review of Some of the
Experimental Evidence for the Novel Wetting of
Helium on Alkali Metals", J. Low Temp. Phys. 101, 31 (1995).
"Hysteresis and Avalanche Phenomena of Helium in Nuclepore",
(with M.P. Lilly), J. Low Temp. Phys. 101, 385 (1995).
"Third Sound and NMR Studies of Helium Mixtures in Nuclepore"
(with P.A. Sheldon), J. Low Temp. Phys. 101, 403 (1995).
"Absence of a Substrate State for 3He in a 3He-4He
Bulk Mixture in Proximity to a Strong-Binding Surface", (with
P.A. Sheldon), Phys. Rev. B. 52, 12530 (1995).
"Third Sound Resonance in 3He - 4He Mixture Films" (with P.T. Finley and
P.S. Ebey), [LT-21], Czech. J. Phys. {\bf 46}, Suppl. S1, 103, (1996).
"Spatial Extent of Capillary Condensation Avalanches"
(with M.P. Lilly), [LT-21], Czech. J. Phys. {\bf 46}, Suppl. S1, 141, (1996).
"A Search for 4He in C60 Interstitial Sites" (with W. Teizer),
[LT-21], Czech. J. Phys. {\bf 46}, Suppl. S1, 421, (1996).
"Non-linear Interaction between Colliding Third Sound Pulses"
(with M.P. Lilly and
F. Portier), [LT-21], Czech. J. Phys. {\bf 46}, Suppl. S1, 423, (1996).
"Localization of 2D 3He on a 4He Film" (with P.A. Sheldon),
[LT-21], Czech. J. Phys. {\bf 46}, Suppl. S1, 425, (1996).
"Critical Exponents of the Superconducting Transition in
granular YBa2Cu3O7-x"
(with R.J. Joshi and J.A. Taylor), [LT-21], Czech. J.
Phys. {\bf 46}, Suppl. S1, 1271, (1996).
"The Properties of 2D 3He on very Thin 4He films", (with P.A. Sheldon),
Phys. Rev. Letters {\bf 77}, 2973 (1996).
"Spatially Extended Avalanches in a Hysteretic Capillary Condensation
System: Superfluid 4He in Nuclepore" (with M.P. Lilly and A.H. Wootters), Phys. Rev.
Letters {\bf 77}, 4222 (1996).
"Critical Exponents of the Superconducting Transition in Granular YBa2Cu3O7-x",
(with R.J. Joshi and J.A. Taylor), Phys. Rev. B {\bf 55}, 9107 (1997).
"4He Adsorption and Superfluid Transition on C60" (with W. Teizer),
J. Low Temp. Phys. {\bf 109}, 243 (1997).
"Compressibility of 4He Liquid Confined in Nuclepore"
(with M.P. Lilly), J. Low Temp. Phys. {\bf 110}, 555 (1998).
"A Third Sound Resonator with Cesium Boundaries"
(with J.C. Herrmann), J. Low Temp. Phys. {\bf 110}, 671 (1998).
"Hysteresis and Avalanche Behavior of Helium in Anopore and Nuclepore"
(with A.H. Wootters and M.P. Lilly), J. Low Temp. Phys. {\bf 110}, 561 (1998).
"Third Sound and Quartz Crystal Microbalance Measurements of Helium on Rubidium"
(with T.A. Moreau), J. Low Temp. Phys. {\bf 110}, 659 (1998).
"Thin Film Adsorption of 4He to C60"
(with W. Teizer and A.F. Hebard), J. Low Temp. Phys. {\bf 110}, 647 (1998).
"Quartz Oscillator Study of Monolayer 4He and 3He-4He Mixture
Films Adsorbed on Solid H2" (with P.S. Ebey and P.T. Finley), J. Low Temp. Phys. {\bf 110}, 635 (1998).
"The Magic of 3He in Two, or Nearly Two, Dimensions", Physics Today, 51, 30 (1998).
"Anomalous 4He Adsorption to in-situ Baked C60" (with W. Teizer, Q.L. Hudspeth and A.F. Hebard) J. Low Temp. Phys. {\bf 113}, 453 (1998).
"3He Spin Diffusion Measurements for 3He-4He Mixture Films on Nuclepore" (with P.T. Finley) J. Low Temp. Phys. {\bf 113}, 305 (1998).
"Third Sound Attenuation and Reflection for a 4He Film in a Cesium Corral",
(with J.C. Herrmann), Phys. Rev. B. 59, 1318 (1999).
"Third Sound in Thin 3He - 4He Films"
(with R.H. Anderson and M.D. Miller), Phys. Rev. B 59, 3345 (1999).
"4He Desorption from Single Wall Carbon Nanotube Bundles:
A 1-Dimensional Adsorbate" (with W. Teizer, E. Dujardin and T. W. Ebbesen),
Phys. Rev. Letters 82, 5305 (1999).
"Avalanche Draining of Superfluid 4He from Nuclepore"
(with A.H. Wooters), [LT-22] Physica B 284-288, 141 (2000).
"Properties of Zinc Thin Film Bolometers" (with T.A. Moreau),
[LT-22] Physica B 284-288, 2131 (2000).
"Amplitude Saturation and Non-Linearity of Pulsed Third
Sound on a Glass Substrate", (with K.S. Ketola, S. Wang and P. Lemaire), J.
Low Temp. Phys. 119, 645 (2000).
"Hysteretic Behavior of Superfluid Helium in Anopore", (with A.H. Wootters), J. Low Temp. Phys. 121, 459 (2000).
"The Two-Dimensional World of 3He in 3He - 4He Mixture Films", J. Low Temp. Phys. 121, 441 (2000).
"Specific Heat Measurements of 3He in 3He - 4He Mixture Films", (with P.C. Ho), J. Low Temp. Phys. 121, 501 (2000).
"A Compact Design for an Indium Heat Switch", (with P.C. Ho), J. Low Temp. Phys. 121, 797 (2000).
"3He Spin Diffusion Measurements in 3He - 4He Mixture Films", (with P.A. Sheldon),
Phys. Rev. Letters 85, 1468 (2000).
"A Study of 4He Third Sound Pulse Collisions" (with M.P. Lilly and F. Portier),
Phys. Rev. B 63, 054524 (2001).
"Probing the Internal Structure of Nuclepore with Hysteretic Capillary Condensation", (with M.P.
Lilly), Phys. Rev. B 63, 174503 (2001).
"Avalanche Behavior in the Draining of Superfluid Helium from the
Porous Material Nuclepore" (with M.P. Lilly), Phys. Rev. B 64, 024516 (2001).
"The Specific Heat of 3He-4He Mixture Films and the Two-Dimensional Fermi Liquid Parameters F1S and F0A"
(with P.C. Ho), Phys. Rev. Letters 87,135301 (2001).
"The Effect of Perimeter-Limited Superfluid 4He Fluid Flow on Avalanches in Nuclepore" (with A.H. Wootters), J. Low
Temp. Phys. 126, 211 (2002).
"Third Sound on Disordered Substrates" (with J.C. Herrmann), J. Low
Temp. Phys. 126, 361 (2002).
"Continuing Specific Heat Measurements on 3He in 3He-4He Mixture Films" (with P.C. Ho and H. Akimoto), J. Low
Temp. Phys. 126, 349 (2002).
"4He Binding Energies on Single Wall Carbon Nanotube Bundles" (with Y.H. Kahng), J. Low
Temp. Phys. 126, 223 (2002).
"Avalanches in the Draining of Nanoporous Nuclepore
Mediated by the Superfluid Helium Film" (with M.P. Lilly), Phys. Rev. B 65, 104503 (2002).
"A Compound Thin Film Thermometer" (with T.A. Moreau), J. Low Temp. Phys. 127, 189 (2002).
"Specific Heat Measurements of 3He-4He Mixture Films" (with H. Akimoto), Physica B 329-333, 164 (2003).
"Properties of Two-dimensional 3He in 3He-4He Mixture Films", Physica B 329-333, 154-157 (2003).
"Competetive Adsorption of 4He and H2 on Single-wall Carbon Nanotube Bundles" (with Y.H. Kahng and E. Dujardin), Physica B 329-333, 280-281 (2003).
"Simulated Avalanches in the Draining of Superfluid Helium from Nuclepore" (with A.H. Wootters) Physica B 329-333, 214-215 (2003).
"Superfluid Avalanches in Nuclepore: Constrained vs. Free-boundary
Experiments and Simulations" (with A.H. Wootters), Phys. Rev. Letters 91, 165301 (2003).
"4He Adsorption and Third Sound Propagation on Rough CaF2 Surfaces"
(with J. Herrmann), Phys. Rev. B 68, 224510 (2003).
"Adsorption of Helium and other Gases to Carbon Nanotubes and Nanotube Bundles" (with Y.H. Kahng),
J. Low Temp. Phys. 134, 21 (2004).
"4He Third Sound and AFM Characterization of Rough Calcium Fluoride Substrates" (with D.R. Luhman),
J. Low Temp. Phys. 134, 245 (2004).
"Specific Heat Measurements of 3He-4He Mixture Films" (with H. Akimoto),
J. Low Temp. Phys. 134, 257 (2004).
"Evidence for Power-Law Dominated Noise in Vacuum Deposited CaF2" (with D.R. Luhman),
Phys. Rev. Letters 92, 256102 (2004).
"Kosterlitz-Thouless Transition for 4He Films Adsorbed to Rough Surfaces" (with D.R. Luhman),
Phys. Rev. Letters 93, 086106 (2004).
"Statistical Characterization of Thermally Evaporated Rough CaF2 Films" (with D.R. Luhman),
Phys. Rev. E 70, 051606 (2004).
"Competetive Adsorption of 3He and 4He to Carbon Nanotube Bundles" (with Y.H. Kahng
and M.M. Calbi), J. Low Temp. Phys. 138, 217 (2005).
"Tunable 4He Third Sound Index of Refraction Using Patterned Calcium Flouride" (with D.R. Luhman),
J. Low temp. Phys. 138, 319 (2005).
"3He and 4He Coverage Dependence of F0A and F1S in Thin Mixture Films"
(with J. Cummings and H. Akimoto), J. Low temp. Phys. 138, 325 (2005).
"Observation of Two-dimensional Classical Wave Localization: Third Sound on Superfluid
4He Films on a Disordered Surface" (with D.R. Luhman and J. Herrmann), Phys. Rev. Letters 94, 176401 (2005).
"Two-Dimensional Classical Wave Localization in a Third
Sound System" (with D.R. Luhman and J. Herrmann), AIP Conference Proceedings 850, p. 259 (2006).
"Kosterlitz-Thouless Transition in 4He Films
Adsorbed to Rough Calcium Fluoride" (with D.R. Luhman), AIP Conference Proceedings 850, p. 267 (2006).
"Coverage Dependence of F0A and F1S for 3He on Thin 4He Films
(with J. Cummings and H. Akimoto), Phys. Rev. B 73, 012507 (2006).
"Third Sound on CaF2 films of varying
roughness" (with D.R. Luhman),
Phys. Rev. B 74, 014510 (2006).
"Visual Observations of Disordered Solid Helium" (with N.C. Ford, Jr. and K.H. Langley),
J. Low Temp. Phys. 148, 653 (2007).
"Al/Au Bilayer Thermometer for Third Sound Detection" (with J.D. Cummings),
J. Low Temp. Phys. 148, 893 (2007).
"Pulsed Third Sound in the Presence of a Superflow" (with D.R. Luhman),
J. Low Temp. Phys. 148, 541 (2007).
"Measurements of Third Sound Attenuation at T = 1.35 K" (with D.R. Luhman),
J. Low Temp. Phys. 148, 535 (2007).
"Unexpected Mass Decoupling for 3He - 4He Films on a Solid Hydrogen Substrate" (with P.T. Finley and
P.S. Ebey), Phys. Rev. Letters 98, 265301 (2007).
"Observation of Unusual Mass Transport in Solid hcp 4He" (with M.W. Ray), Phys. Rev. Letters 100, 235301 (2008).
"The Critical Temperature and Reproducibility of Al/Au Bilayer Thermometers
Fabricated with Different Al/Au Thickness Ratios by Vacuum Evaporation Techniques" (with J.D. Cummings),
J. Low Temp. Phys. 153, 35 (2008).
"Observation of Mass Flux Through hcp 4He off the melting Curve" (with M.W. Ray),
Journal of Physics: Conference Series 150, 032087 (2009).
"Growth of Solid hcp 4He from the Superfluid" (with M.W. Ray),
Journal of Physics: Conference Series 150, 032088 (2009).
"New Developments in Low Temperature Physics" (with M. Paalanen),
Journal of Physics: Conference Series 150, 001003 (2009).
"Study of the Effect of Initial Conditions on the Scaling Properties of CaF2 Thin Films"
(with K.J. Thompson and D.R. Luhman), Surface Science 603, 3249 (2009).
"Observation of Mass Transport through Solid 4He" (with M.W. Ray), Phys. Rev. B 79, 224302 (2009).
"Mass Flow through Solid 4He" (with M.W. Ray), J. Low Temp. Phys. 158, 560 (2010); Erratum (typo correction) 158, 734 (2010).
"Growth of Solid hcp 4He from the Superfluid" (with M.W. Ray), Phys. Rev. B 81, 214523 (2010).
"Experiments with Solid 4He", Physica A 389, 2894 (2010).
"Observation of Thermomechanical Equilibration in the Presence of a Solid 4He Conduit", (with M.W. Ray), Phys. Rev. B 82, 012502 (2010).
"Isochoric Compressibility of Solid 4He" (with M.W. Ray), J. Low Temp. Phys. 162, 427 (2011).
"Mass Flux through a Cell Filled with Solid 4He Induced by the Thermo-mechanical Effect" (with M.W. Ray), J. Low Temp. Phys. 162, 421 (2011).
"Mass Flux and Solid Growth in Solid 4He for 60 mK - 700 mK" (with M.W. Ray), Phys. Rev. Letters 105, 145301 (2010).
"Gas Adsorption on single-wall Carbon Nanotube Bundles and Charcoal Samples" (with Y.H. Kahng and E. Dujardin), Phys. Rev. B 83, 115434 (2011).
"Mass Flow through Solid 4He Induced by the Fountain Effect" (with M.W. Ray) Phys. Rev. B 84, 144512 (2011).
"Temperature Dependence of Helium Diffusion though Common Epoxies" (with D.J. Lovinger) Journal of Physics: Conference Series 400, 052006 (2012).
"Mass Flux though Solid 4He Induced by Chemical Potential Differences" Journal of Physics: Conference Series 400, 012014 (2012).
"Summary of Physics and Issues from the LT26 International Conference, Beijing, China, August 2011" (with K. Kono), Journal of Physics: Conference Series 400, 001001 (2012).
"Mass Flux Characteristics in Solid 4He for T > 100 mK: Evidence for Bosonic Luttinger Liquid Behavior" (with Ye. Vekhov) Phys. Rev. Letters 109, 045303 (2012).
"A Summary of Mass Flux Measurements in Solid 4He" (with M.W. Ray and Ye. Vekhov) J. Low Temp. Phys. 169, 264 (2012).
"Overview on Solid 4He and the Issue of Supersolidity " (with M.H.W. Chan and L Reatto) J. Low Temp. Phys. 172, 317 (2013).
"Universal Temperature Dependence, Flux Extinction and the Role of 3He Impurities in Mass transport through Solid 4He", (with Ye. Vekhov and W.J. Mullin) Phys. Rev. Letters 113, 035302 (2014)
"Dissipative Superfluid Mass Flux through Solid 4He" (with Ye. Vekhov), Phys. Rev. B. 90, 134511 (2014).
"Remarks on Solid Helium" (with S. Balibar and J. Beamish), J. Low Temp. Phys. 180, 3 (2015).
"Solid 4He: Progress, Status and Outlook for Mass Flux Measurements", J. Low Temp. Phys. 180, 6 (2015).
"Is Solid Helium a Supersolid?", Physics Today 68, 30 (2015).
"Flux Bottlenecks in the Mass Superflux in Solid Helium", (with Ye. Vekhov), Phys. Rev. B. 91, 180506(R). (2015)
"Mass Flux in Solid 4He: the Role of 3He Impurities", (with Ye. Vekhov), Phys. Rev. B. 92, 104509 (2015).
"Mass Flux Stability at the Td Conductance Transition in Solid 3He-4He Mixtures", (with Ye. Vekhov), J. Low Temp. Phys. 183, 92 (2016).
"Mass Flux Stability in the Presence of Temperature Excursions and Perturbations in Solid 3He-4He Mixtures", (with Ye. Vekhov), J. Low Temp. Phys. 185, 287 (2016).