Research works are given here, grouped by year (2023-1983).
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2019 2018 2017 2016 2015 2014 2013 2012 2011 2010
Click titles to see publication copies for download.
2023
“Deformation and fracture of hydrogel spheres in diametral compression,” M.R. Islam, R.F. Cook, and M.L. Oyen. Zenodo (2023).
“Fracture mechanics of placental release and abruption,” R.F. Cook and M.L. Oyen. Zenodo (2023).
2021
“Edge chipping at small scales and strengths of diced components,” R.F. Cook, Zenodo. (2021).
“High-throughput bend-strengths of ultra-small polysilicon MEMS components,” R.F. Cook, B.L. Boyce, L.H. Friedman, and F.W. DelRio, Appl. Phys. Letters 118 (2021) 201601.
“Toughness and strength of Cordierite glass ceramic-Silicon Nitride whisker composites,” R.F. Cook, Zenodo. (2021).
“Dynamic Fragmentation Patterns in Flexed Ceramic Discs,” R.F. Cook, Zenodo. (2021).
“On the failure and fracture of hydrogels for cartilage replacement,” R.F. Cook and M.L. Oyen, J. Phys.: Mater. 4 021001 (2021) 1-8. (Invited Perspective)
2020
“A critical evaluation of indentation crack lengths in air,” R.F. Cook, J. Am. Ceram. Soc. 103 (2020) 2278-2295. (Invited Feature Article, Cover Image)
- Supplemental Information (all the raw data!) in Zenodo
- Online commentary at ceramics.org
“Lateral cracking at linear sharp contacts,” R.F. Cook, Zenodo. (2020).
“Refinement and application of a modified indentation toughness technique,” R.F. Cook, Zenodo. (2020).
“Strength distributions of silicon devices determined by wafer backgrinding,” R.F.Cook, Zenodo. (2020).
“1000 at 1000: An indentation toughness method,” R.F. Cook, J. Mater. Sci. 55 (2020) 15069-15073. (Invited Editorial)
“Shoulder fillet effects in strength distributions of microelectromechanical system components,” F.W. DelRio, B.L. Boyce, J.T. Benzing, L.H. Friedman, and R.F. Cook, J. Micromech. Microeng. 30:125013 (2020) 1-11.
“Critique of materials-based models of ductile machining in brittle solids,” H. Huang, B.R. Lawn, R.F Cook, and D.B. Marshall, J. Am. Ceram. Soc. 103 (2020) 6098-6100.
2019
“Lamellar and bundled domain rotations in barium titanate,” J.A. Howell, M.D. Vaudin, L.H. Friedman, and R.F. Cook, J. Mater. Sci. 54 (2019) 116-129.
“Material Flaw Populations and Component Strength Distributions in the Context of the Weibull Function,” R.F. Cook and F.W. DelRio, Exp. Mechanics 59 (2019) 279-293. (Invited: Special Issue on Recent Advances in Micro, Nano, and Cell Mechanics)
“Determination of Ceramic Flaw Populations from Component Strengths,” R.F. Cook and F.W. DelRio, J. Am. Ceram. Soc. 102 (2019) 4794-4808.
“Fracture Sequences During Elastic-Plastic Indentation of Brittle Materials,” R.F. Cook, J. Mater. Res. 34 (2019) 1633-1644.
“Thermal Activation Effects in Crack Propagation and Reliability of Fused Silica,” R.F. Cook, J. Am. Ceram. Soc. 102 (2019)7575-7583.
“Stress measurements in alumina by optical fluorescence: revisited,” R.F. Cook and C.A. Michaels, J. Res. Natl Inst. Stan. 124:124020 (2019).
“Predicting strength distributions of MEMS structures using flaw size and spatial density,” R.F. Cook, F.W. DelRio, and B.L. Boyce, Microsystems & Nanoengineering 5:49 (2019) 1-12.
2018
“Blunt scratch strength of polycrystalline alumina,” R.F. Cook, J. Am. Ceram. Soc. 101 (2018) 16-19.
“Strength of brittle materials in moderately corrosive environments,” R.F. Cook, J. Am. Ceram. Soc. 101 (2018) 1684-1695.
“A Simple Method for Short-Term Mechanical Reliability Predictions for Ceramics in Reactive Environments,” R.F. Cook, J. Am. Ceram. Soc. 101 (2018) 2727-2731.
“A Flexible Model for Instrumented Indentation of Viscoelastic-Plastic Materials,” R.F. Cook, MRS Communications 8 (2018) 586-590.
“Long-Term Ceramic Reliability Analysis including the Crack-Velocity Threshold and the “Bathtub” Curve,” R.F. Cook, J. Am. Ceram. Soc. 101 (2018) 5732-5744.
“Residual Stress in Polycrystalline Alumina: Comparison of Two-Dimensional Maps and Integrated Scans in Fluorescence-Based Measurements,” C.A. Michaels and R.F. Cook, Acta Mater. 159 (2018) 309-319.
“Model for Instrumented Indentation of Brittle Open-Cell Foam,” R.F. Cook, MRS Communications 8 (2018) 1267-1273.
“Weakly anisotropic residual contact stress in silicon demonstrated by electron backscatter diffraction and an expanding cavity model,” R.F. Cook and L.H. Friedman, Appl. Phys. Letters 113 (2018) 231903-1-4.
2017
“Quantitative Scanning Probe Microscopy for Nanomechanical Forensics,” F.W. DelRio and R.F. Cook, Exp. Mechanics 57 (2017) 1045-1055. (Invited: Special Issue on Recent Advances in Nanoindentation, Cover Art)
“Fracture Mechanics of the Scratch Strength of Polycrystalline Alumina,” R.F. Cook, J. Am. Ceram. Soc. 100 (2017) 1146-1160.
“Stress and strain mapping of micro-domain bundles in barium titanate using electron backscatter diffraction,” J.A. Howell, M.D. Vaudin, L.H. Friedman, and R.F. Cook, J. Mater. Sci. 52 (2017) 12608-12623. (Cahn Prize: Best Paper of 2017)
“Two-Dimensional Strain-Mapping by Electron Backscatter Diffraction and Confocal Raman Spectroscopy,” A.J. Gayle, L.H. Friedman, R. Beams, B.G. Bush, Y.B. Gerbig, C.A. Michaels, M.D. Vaudin, and R.F. Cook, J. Appl. Phys. 122 (2017) 205101-1-6.
“Review: Coefficients for Stress, Temperature, and Composition Effects in Fluorescence Measurements of Alumina,” R.F. Cook and C.A. Michaels, J. Res. Natl Inst. Stan. 122:43(2017) 1-26.
2016
“Quantitative Mapping of Stress Heterogeneity in Polycrystalline Alumina using Hyperspectral Fluorescence Microscopy,” G.A. Myers, C.A. Michaels, and R.F. Cook, Acta Mater. 106 (2016) 272-282.
“Assessing Strain Mapping by Electron Backscatter Diffraction and Confocal Raman Microscopy Using Wedge-indented Si,” L.H. Friedman, M.D. Vaudin, S.J. Stranick, G. Stan, Y.B. Gerbig, W.A. Osborn, and R.F. Cook, Ultramicroscopy 163 (2016) 75-86.
“Stochastic Behavior of Nanoscale Dielectric Wall Buckling,” L.H. Friedman, I. Levin, and R.F. Cook, J. Appl. Phys. 119 (2016) 114305-1-12.
“In situ observations of Berkovich indentation induced phase transitions in crystalline silicon films,” Y.B. Gerbig, C.A. Michaels, and R.F. Cook, Scripta Mater. 120 (2016) 19-22.
“Mapping Viscoelastic and Plastic Properties of Polymers and Polymer-Nanotube Composites using Instrumented Indentation,” A.J. Gayle and R.F. Cook, J. Mater. Res. 31 (2016) 2347-2360. (Best Paper of the Year, 2016)
“Near-theoretical fracture strengths in native and oxidized silicon nanowires,” F.W. DelRio, R.M. White, S. Krylyuk, A.V. Davydov, L.H. Friedman, and R.F. Cook, Nanotechnology 27 (2016) 31LT02-1-7.
“Determination of Residual Stress Distributions in Polycrystalline Alumina using Fluorescence Microscopy,” C.A. Michaels and R.F. Cook, Mater. & Design 107 (2016) 478-490. (Invited: Special Issue on Residual Stress)
2015
“Designing a standard for strain mapping: HR-EBSD analysis of SiGe thin film structures on Si,” M.D. Vaudin, W.A. Osborn, L.H. Friedman, J.M. Gorham, and R.F. Cook, Ultramicroscopy 148 (2015) 94-104.
“In situ observation of the spatial distribution of crystalline phases during pressure-induced transformations of indented silicon thin films,” Y.B. Gerbig, C.A. Michaels, and R.F. Cook, J. Mater. Res. 30 (2015) 390-406.
“Fracture strength of micro- and nano-scale silicon components,” F.W. DelRio, R.F. Cook, and B.L. Boyce, Appl. Phys. Rev. 2 (2015) 021303-1-51. (Solicited Review) (Editors Pick for 2015.)
“The Compelling Case for Indentation as an Enduring and Exploratory Characterization Tool,” D.B. Marshall, R.F. Cook, N. Padture, M.L. Oyen, A. Pajares, J. Bradby, I. Reimanis, R. Tandon, T. Page, G.M. Pharr, and B.R. Lawn, J. Am. Ceram. Soc. 98 (2015) 2671-2680. (Feature Article)
“Heterogeneity and length scale effects in PEG-based hydrogels,” B.G. Bush, J.M. Shapiro, F.W. DelRio, R.F. Cook, and M.L. Oyen, Soft Matter 11 (2015) 7191-7200.
“Multi-Scale Effects in the Strength of Ceramics,” R.F. Cook, J. Am. Ceram. Soc. 98 (2015) 2933-2947. (Invited Feature Article-Sosman Award Paper)
“In situ spectroscopic study of the plastic deformation of amorphous silicon under non-hydrostatic conditions induced by indentation,” Y.B. Gerbig, C.A. Michaels, J.E. Bradby, B. Haberl, and R.F. Cook, Phys. Rev. B 92 (2015) 214110-1-15.
2014
“Orientation, stress, and strain in an (001) barium titanate single crystal with 90° lamellar domains determined using electron backscatter diffraction,” J.A. Howell, M.D. Vaudin, and R.F. Cook, J. Mater. Sci. 49 (2014) 2213-2224.
“Strain mapping of micromachined polycrystalline silicon devices via confocal Raman microscopy,” G.A. Myers, S.S. Hazra, M.P. de Boer, C.A. Michaels, S.J. Stranick, R.P. Koseski, R.F. Cook, and F.W. DelRio, Appl. Phys. Letters 104 (2014) 191908-1-5.
2013
“Interfacial Mechanical Properties of n-Alkylsilane Monolayers on Silicon Substrates,” B.G. Bush, F.W. DelRio, C. Jaye, D.A. Fischer, and R.F. Cook, J. Microelectromechanical Systems 22 (2013) 34-43.
“Etching process effects on surface structure, fracture strength, and reliability of single-crystal silicon theta-like specimens,” M.S. Gaither, R.S. Gates, R. Kirkpatrick, R.F. Cook, and F.W. DelRio, J. Microelectromechanical Systems 22 (2013) 589-602.
“On the bending strength of single-crystal silicon theta-like specimens,” R. Kirkpatrick, W.A. Osborn, M.S. Gaither, R.S. Gates, F.W. DelRio, and R.F. Cook, MRS Communications 3 (2013) 113-117.
“Development of a Precision Nanoindentation Platform,” B.K. Nowakowski, D.T. Smith, S.T. Smith, L.F. Correa, and R.F. Cook, Rev. of Sci. Instruments 84 (2013) 075110-1-10. (One of “Most-accessed articles from July – September 2013.”)
“Roughness scaling of deep reactive ion etched silicon surfaces,” F.W. DelRio, L.H. Friedman, W.A. Osborn, M.S. Gaither, and R.F. Cook, J. Appl. Phys. 114 (2013) 113506-1-6.
“Frictional properties of native and functionalized type I collagen thin films,” K.-H. Chung, A.K. Chen, C.R. Anderton, K. Bhadriraju, A.L. Plant, B.G. Bush, R.F. Cook, and F.W. DelRio, Appl. Phys. Letters 103 (2013) 143703-1-5.
“Accurate Spring Constant Calibration for Very Stiff Atomic Force Microscopy Cantilevers,” S.J. Grutzik, R.S. Gates, Y.B. Gerbig, D.T. Smith, R.F. Cook, and A.T. Zehnder, Rev. of Sci. Instruments 84 (2013) 113706-1-8.
2012
“Probing Material Properties with Sharp Indenters: A Retrospective,” B.R. Lawn and R.F. Cook, J. Mater. Sci. 47 (2012) 1-22. (Invited Review)
“In situ observation of the indentation-induced phase transformation of silicon thin films,” Y.B. Gerbig, C.A. Michaels, A.M. Forster, and R.F. Cook, Phys. Rev. B 85 (2012) 104102.
“Bending manipulation and measurements of fracture strength of silicon and oxidized silicon nanowires by atomic force microscopy,” G. Stan, S. Krylyuk, A.V. Davydov, and R.F. Cook, J. Mater. Res. 27 (2012) 562-570.
“Nanomechanical Properties of Polyethylene Glycol Brushes on Gold Substrates,” G. Stan, F.W. DelRio, R.I. MacCuspie, and R.F. Cook, J. Physical Chem. B. 116 (2012) 3138-3147.
“Ultimate bending strength measurements of Si nanowires,” G. Stan, S. Krylyuk, A.V. Davydov, I. Levin, and R.F. Cook, Nano Letters 12 (2012) 2599-2604.
“Nanoscale mapping of contact resonance and damping characterization by contact resonance atomic force microscopy,” G. Stan, S.W. King, and R.F. Cook, Nanotechnology 23 (2012) 215703.
“Indentation device for in situ Raman spectroscopic and optical studies,” Y.B. Gerbig, C.A. Michaels, A.M. Forster, J.W. Hettenhouser, W.E. Byrd, D.J. Morris, and R.F. Cook, Rev. of Sci. Instruments 83 (2012) 125106-1-8.
2011
“Direct observation of phase transformation anisotropy in indented silicon studied by confocal Raman spectroscopy,” Y.B. Gerbig, S.J. Stranick, and R.F. Cook, Phys. Rev. B. 83 (2011) 205209-1-5.
“Structure-property relationships for methyl-terminated alkyl self-assembled monolayers,” F.W. DelRio, C. Jaye, D.A. Fischer, and R.F. Cook, Physical Chem. Letters 512 (2011) 243-246.
“Prototype cantilevers for quantitative lateral force microscopy,” M.G. Reitsma, L.H. Friedman, R.S. Gates, and R.F. Cook, Rev. Sci. Instruments 82 (2011) 093706.
“Micro-scale measurement and modeling of stress in silicon surrounding a tungsten-filled through-silicon via,” R.P. Koseski, W.A. Osborn, S.J. Stranick, F.W. DelRio, M.D. Vaudin, T. Dao, V.H. Adams, and R.F. Cook, J. Appl. Phys. 110 (2011) 073517.
“High Resolution Surface Morphology Measurements using EBSD Cross-Correlation Techniques and AFM,” M.D. Vaudin, G. Stan, Y.B. Gerbig, and R.F. Cook, Ultramicroscopy 111 (2011) 1206-1213.
“Deformation and fracture of single-crystal silicon theta-like specimens,” M.S. Gaither, F.W. DelRio, R.S. Gates, and R.F. Cook, J. Mater. Res. 20 (2011) 2575-2589. (Invited-Outstanding Meeting Paper)
2010
“Elastic, adhesive, and charge transport properties of a metal-molecule-metal junction: the role of molecular orientation, order, and coverage,” F.W. DelRio, K.L. Steffens, C. Jaye, D.A. Fischer, and R.F. Cook, Langmuir 26 (2010) 1688-1699.
“Nanomechanical Measurements and Tools,” R.F. Cook, Nanotechnology Thought Leaders, A to Z of Nanotechnology, http://www.azonano.com (2010). (Invited)
“Effect of dehydration on the nanomechanical properties of thin films of collagen,” K.-H. Chung, K. Bhadriraju, T.A. Spurlin, R.F. Cook, and A.L. Plant, Langmuir 26 (2010) 3629-3636.
“Probing the Nanoscale,” R.F. Cook, Science 328 (2010) 183-184. (Invited)
“Compressive stress effect on the radial elastic modulus of oxidized Si nanowires,” G. Stan, S. Krylyuk, A.V. Davydov, and R.F. Cook, Nano Lett. 10 (2010) 2031-2037.
“Strength distribution of single-crystal silicon theta-like specimens,” M.S. Gaither, F.W. DelRio, R.S. Gates, E.R. Fuller, and R.F. Cook, Scripta Mater. 63 (2010) 422-425.
“Measurement of residual stress field anisotropy at indentations in silicon,” Y.B. Gerbig, S.J. Stranick, and R.F. Cook, Scripta Mater. 63 (2010) 512-515.
2009
“Elastic Moduli of Faceted Aluminum Nitride Nanotubes Measured by Contact Resonance Atomic Force Microscopy,” G. Stan, C.V. Ciobanu, T.P. Thayer, G.T. Wang, J.R. Creighton, K.P. Purushotham, L.A. Bendersky, and R.F. Cook, Nanotechnology 20 (2009) 035707. (Featured Article, Cover Art)
“Effect of crystallographic orientation on phase transformations during indentation of silicon,” Y.B Gerbig, S.J. Stranick, D.J. Morris, M.D. Vaudin, and R.F. Cook, J. Mater. Res., 24 (2009) 1172-1183.
“Elastic and adhesive properties of alkanethiol self-assembled monolayers on gold,” F.W. DelRio, C. Jaye, D.A. Fischer, and R.F. Cook, Appl. Phys. Letters 94 (2009) 131909.
“A practical guide for analysis of nanoindentation data,” M.L. Oyen and R.F. Cook, J. Mech. Behavior Biomedical Mat. 2 (2009) 396-407. (Invited Review)
“Contact-resonance atomic force microscopy for nanoscale elastic property measurements: spectroscopy and imaging,” G. Stan, S. Krylyuk, A.V. Davydov, M.D. Vaudin, L. Bendersky, and R.F. Cook, Ultramicroscopy 109 (2009) 929-936.
“Elastic modulus of ultrathin low-k dielectric films measured by load-dependent contact-resonance atomic force microscopy,” G. Stan, S.W. King, and R.F. Cook, J. Mater. Res. 24 (2009) 2960-2964.
2008
Giant pop-ins in nanoindented silicon and germanium caused by lateral cracking,” D.J. Oliver, B.R. Lawn, R.F. Cook, M.G. Reitsma, J.E. Bradby, J.S. Williams, and P. Munroe, J. Mater. Res. 23 (2008) 297-301.
“Origin of Adhesion in Humid Air,” D.-I. Kim, J. Grobelny, N. Pradeep, and R.F. Cook, Langmuir 24 (2008) 1873-1877.
“Mapping the elastic properties of granular Au films by contact resonance atomic force microscopy,” G. Stan and R.F. Cook, Nanotechnology 19 (2008) 235701.
“Effect of surface proximity on the elastic modulus of Te nanowires,” G. Stan, S. Krylyuk, A. Davydov, M. Vaudin, and R.F. Cook, Appl. Phys. Letters 92 (2008) 241908.
“Indentation fracture of low-dielectric constant films, Part I. Experiments and observations,” D.J. Morris and R.F. Cook, J. Mater. Res. 23 (2008) 2429-2442.
“Indentation fracture of low-dielectric constant films, Part II. Indentation fracture mechanics model,” D.J. Morris and R.F. Cook, J. Mater. Res. 23 (2008) 2443-2457. (covered in The Engineer magazine)
“Comparison of Nanoscale Measurements of Strain and Stress using Electron Back Scattered Diffraction and Confocal Raman Microscopy,” M.D. Vaudin, Y.B. Gerbig, S.J. Stranick, and R.F. Cook, Appl. Phys. Letters 93 (2008) 193116.
“Mechanical and Electrical Coupling at Metal-Insulator-Metal Nano-Scale Contacts,” D.-I. Kim, N. Pradeep, F. W. DelRio, R.F. Cook, Appl. Phys. Letters 93 (2008) 203102
2007
“Hardness, fracture toughness, and elastic modulus of some common metamorphic minerals,” M.E. Broz, R.F. Cook and D.L. Whitney, Am. Mineral. 92 (2007) 281-288.
“Nanoindentation behavior and mechanical properties measurement of polymeric materials,” R.F. Cook and M.L. Oyen, International J. Mater. Res. 98 (2007) 370-378. (Invited)
“Diameter-dependent Radial and Tangential Elastic Moduli of ZnO Nanowires,” G. Stan, C.V. Ciobanu, P.M. Parthangal, and R.F. Cook, Nano Letters 7 (2007)
2006
“Microhardness, toughness and modulus of Mohs scale minerals,” M.E. Broz, R.F. Cook and D.L. Whitney, Am. Mineral. 91 (2006) 135-142.
“Strength and Sharp Contact Fracture of Silicon,” R.F. Cook, J. Mat. Sci. 41 (2006) 841-872.(Invited Review) Special 40th Anniversary Issue
“Nanoparticle lithography and imaging using scanning probe microscopy,” J. Grobelny, D.H. Tsai, D.-I. Kim, N. Pradeep, R.F. Cook and M.R. Zachariah, Nanotechnology 17 (2006) 5519-5524.
2005
“Radial fracture during indentation by acute probes: I, Description by an indentation wedging model, D.J. Morris and R.F. Cook, International J. Fracture 136 (2005) 237-264.
“Radial fracture during indentation by acute probes: II, Experimental observations of cube corner and Vickers indentation,” D.J. Morris, A.M. Vodnick and R.F. Cook, International J. Fracture 136 (2005) 265-284.
1986
“Effect of Microstructure on Reliability Predictions for Glass-Ceramics,” R.F. Cook, S.W. Freiman and T.L. Baker, Mater. Sci. Eng. 77 (1986) 199-212.
1985
“Microstructure-Strength Properties in Ceramics: I-Effect of Crack Size on Toughness,” R.F. Cook, B.R. Lawn and C.J. Fairbanks, J. Am. Ceram. Soc. 68 (1985) 604-615.
“Microstructure-Strength Properties in Ceramics: II-Fatigue Relations,” R.F. Cook, B.R. Lawn and C.J. Fairbanks, J. Am. Ceram. Soc. 68 (1985) 616-623.
1983
“Theory of Fatigue for Brittle Flaws Originating from Residual Stress Concentrations,” E.R. Fuller, Jr., B.R. Lawn and R.F. Cook, J. Am. Ceram. Soc. 66 (1983) 314-321.
“Universal Fatigue Curves for Ceramics using Indentation Flaws,” H. Multhopp, R.F. Cook and B. R. Lawn, J. Mat. Sci. Letters 2 (1983) 683-684.
“Fracture of Ferroelectric Ceramics,” R.F. Cook, S.W. Freiman, B.R. Lawn and R.C. Pohanka, Ferroelectrics 50 (1983) 267-272.
“A Modified Indentation Toughness Technique,” R.F. Cook and B.R. Lawn, J. Am. Ceram. Soc. 66 (1983) C200-C201.
Fracture 