Selected Publications on High Pressure

Stability limits of pressure densifed polycarbonate glass
A.P. Holt, D. Fragiadakis, J.A. Wollmershauser, B.N. Feigelson, M. Tyagi, and C.M. Roland Macromolecules 52, 4139 (2019).

The α and Johari-Goldstein relaxations in 1,4-polybutadiene: Breakdown of isochronal superpositioning
T.C. Ransom, D. Fragiadakis, and C.M. Roland Macromolecules 51, 4694 (2018).

Dynamic correlation under isochronal conditions
C.M. Roland and D. Fragiadakis in Nonlinear Dielectric Spectroscopy (R. Richert, Ed.) Spinger (2018).

Acoustic properties and density of polyurea at pressure up to 13.5 GPa through Brillouin scattering spectroscopy
T.C. Ransom, M. Ahart, R.J. Hemley, and C.M. Roland J. Appl. Phys. 123, 195102 (2018).

Nonlinear dielectric spectroscopy of propylene carbonate derivatives
R. Casalini and C.M. Roland J. Chem. Phys. 148, 134506 (2018).

Pressure densification of a simple liquid
R. Casalini and C.M. Roland J. Non-Cryst. Solids 475, 25 (2017).

Effect of density on the physical aging of pressure-densified polymethylmethacrylate
R. Casalini and C.M. Roland J. Chem. Phys. 147, 091104 (2017).

Dynamic Correlation Length Scales under Isochronal Conditions
R. Casalini, D. Fragiadakis, C.M. Roland J. Chem. Phys. 142, 064504 (2015).

Phase Behavior and Dynamics of a Cholesteric Liquid Crystal
D. Roy, D. Fragiadakis, C.M. Roland, R. Dabrowski, J. Dziaduszek, S. Urban J. Chem. Phys. 140, 074502 (2014).

Volumetric Study of n-Octyloxy-cyanobiphenyl (8OCB)
C.M. Roland, D. Fragiadakis, D. Roy, S. Urban Liquid Crystals 41, 9 (2014).

Anomalous Electrical Conductivity Behavior at Elevated Pressure in the Protic Ionic Liquid Procainamide Hydrochloride,
Z. Wojnarowksa, C.M. Roland, A. Swiety-Pospiech, K. Grzybowska, M. Paluch Phys. Rev. Lett. 108, 015701 (2012).

On the low-frequency peak in the dielectric spectrum of glycerol,
R. Casalini, C.M. Roland J. Chem. Phys. 135, 094502 (2011).

Relaxation Phenomena in Vitrifying Polymers and Molecular Liquids,
C.M. Roland, Macromolecules 43, 7875 (2010). [doi]

Insights on the origin of the Debye process in monoalcohols from dielectric spectroscopy under extreme pressure conditions,
D. Fragiadakis; C.M. Roland; R. Casalini, J. Chem. Phys. 132, 144505 (2010). [doi]

Anomalous properties of the local dynamics in polymer glasses,
R. Casalini; C.M. Roland, J. Chem. Phys. 131, 114501 (2009). [doi]

On the pressure dependence of the fragility of glycerol,
S. Pawlus; M. Paluch; J. Ziolo; C.M. Roland, J. Phys.-Condes. Matter 21, 332101 (2009). [doi]

Aging of the Secondary Relaxation to Probe Structural Relaxation in the Glassy State,
R. Casalini; C.M. Roland, Phys. Rev. Lett. 102, 035701 (2009). [doi]

Characteristic relaxation times and their invariance to thermodynamic conditions,
C.M. Roland, Soft Matter 4, 2316 (2008). [doi]

Pressure-induced polymerization of tetraethylene glycol dimethacrylate,
K. Kaminski; M. Paluch; R. Wrzalik; J. Ziolo; R. Bogoslovov; C.M. Roland, J. Polym. Sci. Pol. Chem. 46, 3795 (2008). [doi]

Pressure-induced polymerization of phenoxyethyl acrylate,
K. Kaminski; R. Wrzalik; M. Paluch; J. Ziolo; C.M. Roland, J. Phys.-Condes. Matter 20, 244121 (2008). [doi]

Role of hydrogen bonds in the supercooled dynamics of glass-forming liquids at high pressures,
C.M. Roland; R. Casalini; R. Bergman; J. Mattsson, Phys. Rev. B 77, 012201 (2008). [doi]

The effect of thermodynamic variables on polymer chain dynamics,
C.M. Roland, Curr. Opin. Solid State Mat. Sci. 11, 41 (2007). [doi]

Fragility and the dynamic crossover in lubricants,
S. Bair; C.M. Roland; R. Casalini, Proc. Inst. Mech. Eng. Part J.-J. Eng. Tribol. 221, 801 (2007). [doi]

Invariance of the local segmental relaxation dispersion in polycyclohexylmethacrylate/poly-alpha-methylstyrene blends,
C.M. Roland; R. Casalini, J. Non-Cryst. Solids 353, 3996 (2007). [doi]

Effect of hydrostatic pressure on the viscoelastic response of polyurea,
C.M. Roland; R. Casalini, Polymer 48, 5747 (2007). [doi]

On the glass temperature under extreme pressures,
A. Drozd-Rzoska; S.J. Rzoska; M. Paluch; A.R. Imre; C.M. Roland, J. Chem. Phys. 126, 164504 (2007). [doi]

Volume effects on the glass transition dynamics,
C.M. Roland; K.J. McGrath; R. Casalini, J. Non-Cryst. Solids 352, 4910 (2006). [doi]

Effect of glass structure on the dynamics of the secondary relaxation in diisobutyl and diisoctyl phthalates,
M. Paluch; S. Pawlus; S. Hensel-Bielowka; K. Kaminski; T. Psurek; S.J. Rzoska; J. Ziolo; C.M. Roland, Phys. Rev. B 72, 224205 (2005). [doi]

Isobaric and isochoric fragilities and the influence of volume on the temperature dependence of local segmental relaxation in polyvinylethylene networks,
C.M. Roland; D.F. Roland; J. Wang; R. Casalini, J. Chem. Phys. 123, 204905 (2005). [doi]

Why liquids are fragile,
R. Casalini; C.M. Roland, Phys. Rev. E 72, 031503 (2005). [doi]

Do theories of the glass transition, in which the structural relaxation time does not define the dispersion of the structural relaxation, need revision?,
K.L. Ngai; R. Casalini; S. Capaccioli; M. Paluch; C.M. Roland, J. Phys. Chem. B 109, 17356 (2005). [doi]

Hydrogen bonding and secondary relaxations in propylene glycol trimer,
S. Pawlus; S. Hensel-Bielowka; M. Paluch; R. Casalini; C.M. Roland, Phys. Rev. B 72, 064201 (2005). [doi]

Supercooled dynamics of glass-forming liquids and polymers under hydrostatic pressure,
C.M. Roland; S. Hensel-Bielowka; M. Paluch; R. Casalini, Rep. Prog. Phys. 68, 1405 (2005). [doi]

Effect of chemical structure on the isobaric and isochoric fragility in polychlorinated biphenyls,
C.M. Roland; R. Casalini, J. Chem. Phys. 122, 134505 (2005). [doi]

Temperature and density effects on the local segmental and global chain dynamics of poly(oxybutylene),
R. Casalini; C.M. Roland, Macromolecules 38, 1779 (2005). [doi]

Primary and secondary relaxations in bis-5-hydroxypentylphthalate,
S. Maslanka; M. Paluch; W.W. Sulkowski; C.M. Roland, J. Chem. Phys. 122, 084511 (2005). [doi]

Viscosity at the dynamic crossover in o-terphenyl and salol under high pressure,
R. Casalini; C.M. Roland, Phys. Rev. Lett. 92, 245702 (2004). [doi]

Effect of large hydrostatic pressure on the dielectric loss spectrum of type-A glass formers,
S. Hensel-Bielowka; S. Pawlus; C.M. Roland; J. Ziolo; M. Paluch, Phys. Rev. E 69, 050501 (2004). [doi]

Adam-Gibbs model for the supercooled dynamics in the ortho-terphenyl ortho-phenylphenol mixture,
C.M. Roland; S. Capaccioli; M. Lucchesi; R. Casalini, J. Chem. Phys. 120, 10640 (2004). [doi]

Volume and temperature as control parameters for the dielectric a relaxation of polymers and molecular glass formers,
C.M. Roland; M. Paluch; T. Pakula; R. Casalini, Philos. Mag. 84, 1573 (2004). [doi]

Structural and secondary relaxations in supercooled di-n-butyl phthalate and diisobutyl phthalate at elevated pressure,
M. Sekula; S. Pawlus; S. Hensel-Bielowka; J. Ziolo; M. Paluch; C.M. Roland, J. Phys. Chem. B 108, 4997 (2004). [doi]

Excess wing in the dielectric loss spectra of propylene glycol oligomers at elevated pressure,
R. Casalini; C.M. Roland, Phys. Rev. B 69, 094202 (2004). [doi]

Temperature and pressure dependences of the structural dynamics: an interpretation of Vogel-Fulcher behavior in terms of the Adam-Gibbs model,
R. Casalini; M. Paluch; T. Psurek; C.M. Roland, J. Mol. Liq. 111, 53 (2004). [doi]

Effect of temperature and pressure on segmental relaxation in polymethylphenylsiloxane,
S. Pawlus; S.J. Rzoska; J. Ziolo; M. Paluch; C.M. Roland, Rubber Chem. Technol. 76, 1106 (2003).

Pressure effects on the segmental dynamics of hydrogen-bonded polymer blends,
S.H. Zhang; R. Casalini; J. Runt; C.M. Roland, Macromolecules 36, 9917 (2003). [doi]

Departures from the correlation of time- and temperature-dependences of the alpha-relaxation in molecular glass-formers,
C.M. Roland; M. Paluch; S.J. Rzoska, J. Chem. Phys. 119, 12439 (2003). [doi]

Segmental- and normal-mode dielectric relaxation of poly(propylene glycol) under pressure,
C.M. Roland; T. Psurek; S. Pawlus; M. Paluch, J. Polym. Sci. Pt. B-Polym. Phys. 41, 3047 (2003). [doi]

Dielectric alpha-relaxation and ionic conductivity in propylene glycol and its oligomers measured at elevated pressure,
R. Casalini; C.M. Roland, J. Chem. Phys. 119, 11951 (2003). [doi]

Effect of volume changes on segmental relaxation in siloxane polymers,
M. Paluch; R. Casalini; A. Patkowski; T. Pakula; C.M. Roland, Phys. Rev. E 68, 031802 (2003). [doi]

Dynamic properties of polyvinylmethylether near the glass transition,
R. Casalini; C.M. Roland, J. Chem. Phys. 119, 4052 (2003). [doi]

Pressure evolution of the excess wing in a type-B glass former,
R. Casalini; C.M. Roland, Phys. Rev. Lett. 91, 015702 (2003). [doi]

Chemical structure and local segmental dynamics in 1,2-polybutadiene,
C.M. Roland; R. Casalini; P. Santangelo; M. Sekula; J. Ziolo; M. Paluch, Macromolecules 36, 4954 (2003).

Temperature dependence of local segmental motion in polystyrene and its variation with molecular weight,
C.M. Roland; R. Casalini, J. Chem. Phys. 119, 1838 (2003). [doi]

Test of the Einstein-Debye relation in supercooled dibutylphthalate at pressures up to 1.4 GPa,
M. Paluch; M. Sekula; S. Pawlus; S.J. Rzoska; J. Ziolo; C.M. Roland, Phys. Rev. Lett. 90, 175702 (2003). [doi]

The dynamics crossover region in phenol- and cresol-phthalein-dimethylethers under different conditions of pressure and temperature,
R. Casalini; M. Paluch; C.M. Roland, J. Phys.-Condes. Matter 15, S859 (2003).

Influence of molecular structure on the dynamics of supercooled van der Waals liquids,
R. Casalini; M. Paluch; C.M. Roland, Phys. Rev. E 67, 031505 (2003). [doi]

Dynamics of salol at elevated pressure,
R. Casalini; M. Paluch; C.M. Roland, J. Phys. Chem. A 107, 2369 (2003). [doi]

Cohen-Grest model for the dynamics of supercooled liquids,
M. Paluch; R. Casalini; C.M. Roland, Phys. Rev. E 67, 021508 (2003). [doi]

Dynamic crossover in supercooled liquids induced by high pressure,
R. Casalini; M. Paluch; C.M. Roland, J. Chem. Phys. 118, 5701 (2003). [doi]

Temperature and volume effects on local segmental relaxation in poly(vinyl acetate),
C.M. Roland; R. Casalini, Macromolecules 36, 1361 (2003). [doi]

The relative contributions of temperature and volume to structural relaxation of van der Waals molecular liquids,
M. Paluch; C.M. Roland; R. Casalini; G. Meier; A. Patkowski, J. Chem. Phys. 118, 4578 (2003). [doi]

The Avramov model of structural relaxation,
M. Paluch; C.M. Roland, J. Non-Cryst. Solids 316, 413 (2003).

Pressure and temperature dependence of structural relaxation in diglycidylether of bisphenol A,
M. Paluch; C.M. Roland; J. Gapinski; A. Patkowski, J. Chem. Phys. 118, 3177 (2003). [doi]

Isochronal temperature-pressure superpositioning of the alpha-relaxation in type-A glass formers,
C.M. Roland; R. Casalini; M. Paluch, Chem. Phys. Lett. 367, 259 (2003).

alpha-relaxation and the excess wing in polychlorinated biphenyls,
R. Casalini; C.M. Roland, Phys. Rev. B 66, 180201 (2002). [doi]

Dynamics of sorbitol at elevated pressure,
S. Hensel-Bielowka; M. Paluch; J. Ziolo; C.M. Roland, J. Phys. Chem. B 106, 12459 (2002). [doi]

Ionic conductivity and dielectric relaxation in poly[(phenyl glycidyl ether)-co-formaldehyde],
M. Paluch; T. Psurek; C.M. Roland, J. Phys.-Condes. Matter 14, 9489 (2002).

Anomalous behavior in blends of a polychlorinated biphenyl with polystyrene oligomer investigated by mechanical and dielectric spectroscopy,
R. Casalini; P.G. Santangelo; C.M. Roland, J. Phys. Chem. B 106, 11492 (2002). [doi]

Correlation between the alpha relaxation and the excess wing for polychlorinated biphenyls and glycerol,
R. Casalini; M. Paluch; C.M. Roland, J. Therm. Anal. 69, 947 (2002).

Relative contributions of thermal energy and free volume to the temperature dependence of structural relaxation in fragile glass-forming liquids,
M. Paluch; R. Casalini; C.M. Roland, Phys. Rev. B 66, 092202 (2002). [doi]

Pressure and temperature dependence of the alpha-relaxation in poly(methyltolylsiloxane),
M. Paluch; S. Pawlus; C.M. Roland, Macromolecules 35, 7338 (2002). [doi]

Investigation of the correlation between structural relaxation time and configurational entropy under high pressure in a chlorinated biphenyl,
R. Casalini; M. Paluch; J.J. Fontanella; C.M. Roland, J. Chem. Phys. 117, 4901 (2002). [doi]

The effect of pressure on the structural and secondary relaxations in 1,1 '-bis (p-methoxyphenyl) cyclohexane,
S. Hensel-Bielowka; J. Ziolo; M. Paluch; C.M. Roland, J. Chem. Phys. 117, 2317 (2002). [doi]

Dielectric and mechanical relaxation of cresolphthalein-dimethylether,
M. Paluch; C.M. Roland; A. Best, J. Chem. Phys. 117, 1188 (2002). [doi]

Temperature and pressure dependence of the alpha-relaxation in polymethylphenylsiloxane,
M. Paluch; C.M. Roland; S. Pawlus, J. Chem. Phys. 116, 10932 (2002). [doi]

Effect of pressure on the alpha relaxation in glycerol and xylitol,
M. Paluch; R. Casalini; S. Hensel-Bielowka; C.M. Roland, J. Chem. Phys. 116, 9839 (2002). [doi]