IRG 1
a. Primary MRSEC Support—IRG 1
- D. A. Kunkel, S. Simpson, J. Nitz, G. A. Rojas, E. Zurek, L. Routaboul, B. Doudin, P. Braunstein, P. A. Dowben, and A. Enders, “Dipole driven bonding schemes of quinonoid zwitterions on surfaces,” Chem. Commun. 48, 7143 - 7145 (2012).
- P. Kharel, Y. Huh, V. R. Shah, X. Z. Li, K. Tarawneh, N. Al-Aqtash, R. F. Sabirianov, R. Skomski, E. S. Krage, and D. J. Sellmyer, “Structural and magnetic properties of Mn2+δTiSn Alloy,” J. Appl. Phys. 111, 07B101 [3 pages] (2012); http://dx.doi.org/10.1063/1.3672395
- P. Kharel, X. Z. Li, V.R. Shah, K. Tarawneh, N. Al-Aqtash, R. Sabirianov, R. Skomski, and D. J. Sellmyer, “Structural, magnetic and electron transport properties of MnBi:Fe thin films,” J. Appl. Phys. 111, 07E326 [3 pages] (2012); http://dx.doi.org/10.1063/1.3675615.
- R. Skomski, A. Kashyap, and D. J. Sellmyer, “A Quantum-Mechanical Relaxation Model,” J. Appl. Phys. 111, 07D507 [3 pages] (2012).
- R. Zhang, R. Skomski, X. Li, Z. Li, P. Manchanda, A. Kashyap, R. D. Kirby, S. H. Liou, and D. J. Sellmyer, “L10 CrPt phase formation and magnetic properties,” J. Appl. Phys. 111, 07D720 [3 pages] (2012).
- X. Wei, R. Zhou, B. Balamurugan, R. Skomski, X. C. Zeng, and D. J. Sellmyer, “Experimental and theoretical studies of hydroxyl-induced magnetism in TiO nanoclusters,” Nanoscale 4, 7704-7711 (2012).
- P. Kharel, V. R. Shah, X. Z. Li, W. Y. Zhang, R. Skomski, J. E. Shield, and D. J. Sellmyer, “Structural and Magnetic Properties of Pr-Alloyed MnBi Nanostructures,” J. Phys. D: Appl. Phys. 46, 095003 [7 pages] (2013); doi:10.1088/0022-3727/46/9/095003.
- P. Lukashev, J.-H. Kim, S. Yang, J.-S. Kim, X. Chen, G. Rojas, J. Honolka, R. Skomski, A. Enders, and R. F. Sabirianov, “Magnetic phases of cobalt atomic clusters on tungsten,” J. Phys.: Condens. Matter 25, 036003 [4 pages] (2013).
- X. Z. Li, P. Kharel, V. R. Shah, and D. J. Sellmyer, “Synthesis and Characterization of Highly Textured Pt-Bi Thin Films,” Philosophical Magazine 91, 3406-3415 (2011).
- Y. Yu, T. A. George, H. Li, D. Sun, Z. Ren, and D. J. Sellmyer, “Effects of Deposition Temperature and in-situ Annealing Time on Structure and Magnetic Properties of (001) Orientation FePt Films,” J. Magn. Magn. Mater. 328, 7-10 (2013); doi: dx.doi.org/10.1016/j.jmmm.2012.09.025.
- M. Chipara, J. Hamilton, A. C. Chipara, T. George, D. M. Chipara, E. E. Ibrahim, K. Lozano, and D. J. Sellmyer, “Fourier Transform Infrared Spectroscopy and Wide-Angle Ray Scattering: Investigations on Polypropylene–Vapor-Grown Carbon Nanofiber Composites,” J. Appl. Polymer Science 51, 353-360 (2012), doi: 10.1002/app.35576.
- M. S. Shongwe, U. A. Al-Zaabi, F. Al-Mjeni, C. S. Eribal, E. Sinn, I. A. Al-Omari, H. H. Hamdeh, D. Matoga, H. Adams, M. J. Morris, A. L. Rheingold, E. Bill, and D. J. Sellmyer, “Accessibility and Selective Stabilization of the Principal Spin States of Iron by Pyridyl versus Phenolic Ketimines: Modulation of the 6A1↔2T2 Ground-State Transformation of the [FeN4O2]+ Chromophore,” Inorg. Chem. 51, 8241−8253 (2012); dx.doi.org/10.1021/ic300732r.
b. Partial MRSEC Support—IRG 1
- G. Rojas, X. Chen, J. Xiao, P. A. Dowben, and A. Enders, “Surface state engineering of molecule-molecule interactions, Phys. Chem. Chem. Phys. 14, 4971 - 4976 (2012).
- Xiaolu Yin and S. H. Liou, “Novel Magnetic Nanostructured Multilayer for High Sensitive Magnetoresistive Sensor,” Sensors, 2012 IEEE, 2090 [4 pages] (2012).
- Y. Fang, X. Yin, R. Zhao, S. Valloppilly, W. Li, M. Zhu, and S. H. Liou, “Magnetic micro-structural uniformity of die-upset Nd-Fe-B permanent magnets,” J. Appl. Phys. 111, 07A734 [3 pages] (2012).
- P. Lukashev, N. Horrell, and R. F. Sabirianov, “Tailoring Magnetocrystalline Anisotropy of FePt by external strain,” J. Appl. Phys. 111, 07A318 [3 pages] (2012); http://dx.doi.org/10.1063/1.3673853
- D. J. Sellmyer and B. Balamurugan, “Assembly of Nano-Objects,” Magnetics Technology International, UKIP Media & Events, Ltd., p. 40-44 (2012).
- D. J. Sellmyer, B. Balamurugan, Y. Liu, and R. Skomski, “Assembly and Alignment of Nano-objects for Advanced Magnetic Materials,” Proc. REPM’12, Nagasaki 2012, p. 180-182.
- B. Balamurugan, D. J. Sellmyer, G. C. Hadjipanayis, and R. Skomski, “Prospects for nanoparticle-based permanent magnets,” Scripta Mater. 67, 542-547 (2012).
- R. Skomski, B. Balamurugan, T. A. George, M. Chipara, X.-H. Wei, J. E. Shield, and D. J. Sellmyer, “Hysteresis and Relaxation in Granular Permanent Magnets,” J. Appl. Phys. 111, 07B507 [3 pages] (2012).
- I. A. Al-Omari, R. Skomski, and D. J. Sellmyer, “Magnetic Properties of Y3-2xCa2xFe5-xVxO12 Garnets,” Advances in Materials Physics and Chemistry 2, 116-120 (2012).
- B. Balamurugan, R. Skomski, X. Z. Li, G. C. Hadjipanayis, and D. J. Sellmyer, “Magnetism of directly ordered Sm-Co clusters,” J. Appl. Phys. 111, 07B527 [3 pages] (2012).
- B. Balamurugan, R. Skomski, B. Das, X. Z. Li, V. R. Shah, P. Manchanda, A. Kashyap, and D. J. Sellmyer, “Magnetism of dilute Co(Hf) and Co(Pt) nanoclusters,” J. Appl. Phys. 111, 07B532 [3 pages] (2012).
- P. Manchanda, R. Skomski, P. K. Sahota, M. Franchin, H. Fangohr and A. Kashyap, “Multiscale Micromagnetism of Co-Pd Multilayers,” J. Appl. Phys. 111, 07C724 [3 pages] (2012).
- P. K. Sahota, Y. Liu, R. Skomski, P. Manchanda, R. Zhang, H. Fangohr, M. Franchin, G. C. Hadjipanayis, A. Kashyap, and D. J. Sellmyer, “Ultrahard Magnetic Nanostructures,” J. Appl. Phys. 111, 07E345 [3 pages] (2012).
- D. Le Roy, S. Valloppilly, R. Skomski, S. H. Liou, and D. J. Sellmyer, “Magnetism of structure of anatase (Ti1-xVx)O2 film,” J. Appl. Phys. 111, 07C118 [3 pages] (2012).
- B. Balamurugan, B. Das, V. R. Shah, R. Skomski, X. Z. Li, and D. J. Sellmyer, “Assembly of uniaxially aligned rare-earth-free nanomagnets,” Appl. Phys. Lett. 101, 122407 [5 pages] (2012).
- B. Das, B. Balamurugan, W. Y. Zhang, R. Skomski, E. S. Krage, S. R. Valloppilly, J. E. Shield, and D. J. Sellmyer, “Magnetism of Less Common Cobalt-Rich Alloys,” Proc. REPM’12, Nagasaki 2012, p. 427-430.
- V. Sharma, P. Manchanda, P. K. Sahota, R. Skomski, and A. Kashyap, “Interatomic exchange in Mn-doped III-V semiconductors,” J. Magn. Magn. Mater. 324, 786-791 (2012).
- Y. Pei, R. Pal, C. Liu, Y. Gao, Z. Zhang, and X. C. Zeng, “Interlocked Catenane-Like Structure Predicted in Au24(SR)20: Implication to Structural Evolution of Thiolated Gold Clusters from Homoleptic Gold(I) Thiolates to Core-Stacked Nanoparticles,” J. Am. Chem. Soc. 134, 3015-3024 (2012).
- R. Zhou and X. C. Zeng, “Polymorphic Phases of sp3-Hybridized Carbon under Cold Compression,” J. Am. Chem. Soc. 134, 7530-7538 (2012).
- X. Li, X. Wu, X. C. Zeng, and J. Yang, “Band-Gap Engineering via Tailored Line Defects in Boron-Nitride Nanoribbons, Sheets, and Nanotubes,” ACS Nano 6 (5), 4104-4112 ( 2012).
c. Publications resulting from research, but do not acknowledge the MRSEC award—IRG1
- A. Jewell, S. Simpson, A. Enders, E. Zurek, and Ch. Sykes, “Magic Electret Clusters of 4-Fluorostyrene on Metal Surfaces,” J. Phys. Chem. Lett. 3, 2069 - 2075 (2012).
- N. Al-Aqtash, H. Li, L. Wang, W. N. Mei, and R. F. Sabirianov, “Electromechanical switching in graphene nanoribbons,” Carbon 51, 102-109 (2013).
- H. Li, N. Al-Aqtash, L. Wang, R. Qin, Q. Liua, J. Zhenga, W.-N. Mei, R. F. Sabirianov, Z. Gaoa, and J. Lu, “Electromechanical Switch in Metallic Graphene Nanoribbons via Twisting,” Physica E: Low-dimensional Systems and Nanostructures 44, 2021-2026 (2012).
- D. Schmidt, E. Schubert, and M. Schubert, “Aging Effects of As-deposited and Passivated Cobalt Slanted Columnar Thin Films,” Mat. Res. Soc. Symp. Proc. 1409, CC13-31 (2012).
- D. Schmidt, E. Schubert, and M. Schubert, “Generalized Ellipsometry Characterization of Sculptured Thin Films Made by Glancing Angle Deposition,” in Ellipsometry at the Nanoscale edited by M. Losurdo and K. Hingerl (Springer, Berlin, 2013) ISBN 978-3-642-33955-4
IRG 2
a. Primary MRSEC Support—IRG 2
- P. Lukashev, T. R. Paudel, J. M. López-Encarnación, S. Adenwalla, E. Y. Tsymbal, and J. P. Velev, “Ferroelectric control of magnetocrystalline anisotropy at cobalt/poly(vinylidene fluoride) interfaces,” ACS Nano 6, 9745-9750 (2012).
- A. L. Wysocki, Siqi Shi, and K. D. Belashchenko, “Microscopic origin of the structural phase transitions at the Cr2O3 (0001) surface,” Phys. Rev. B 86, 165443 [12 pages] (2012).
- P. V. Lukashev, A. L. Wysocki, J. P. Velev, M. van Schilfgaarde, S. S. Jaswal, K. D. Belashchenko, and E. Y. Tsymbal, "Spin filtering with EuO: Insight from the complex band structure," Phys. Rev. B 85, 224414 [5 pages] (2012).
- X. He, W. Echtenkamp, and Ch. Binek, “Scaling of the Magnetoelectric Effect in Chromia Thin Films,” Ferroelectrics 426, 81-89 (2012).
- S. Sahoo, S. Polisetty, Yi Wang, T. Mukherjee, Xi He, S. S. Jaswal, and Ch. Binek, “Asymmetric magnetoresistance in an exchange bias Co/CoO bilayer,” J. Phys.: Condens. Matter 24, 096002 [5 pages] (2012).
- H. Lu, T. A. George, Y. Wang, I. Ketsman, J. D. Burton, C.-W. Bark, S. Ryu, D. J. Kim, J. Wang, C. Binek, P. A. Dowben, A. Sokolov, C.-B. Eom, E. Y. Tsymbal, and A. Gruverman, “Electric modulation of magnetization at the BaTiO3/La0.67Sr0.33MnO3 interfaces,” Appl. Phys. Lett.100 232904 [5 pages] (2012).
- A. Mardana, S. Ducharme, and S. Adenwalla, "The sweep rate dependence of the electrical control of magnetic coercivity," J. Appl. Phys. 111 (7), 07C708 [3 pages] (2012).
- H. Lu, C. W. Bark, D. Esque de los Ojos, J. Alcala, C. B. Eom, G. Catalan, and A. Gruverman, “Mechanical Writing of Ferroelectric Polarization,” Science 6, 59-61 (2012).
- M. Wu, J. D. Burton, E. Y. Tsymbal, X. C. Zeng, and P. Jena, “Multiferroic Materials based on Organic Transition-Metal-Molecular Nanowires,” J. Am. Chem. Soc. 134, 14423−14429 (2012).
- P. Lukashev, J. D. Burton, S. S. Jaswal, and E. Y. Tsymbal, “Ferroelectric control of magnetocrystalline anisotropy of the Fe/BaTiO3 (001) interface,” J. Phys.: Condens. Matter 24, 226003 [6 pages] (2012).
- J. P. Velev, J. M. López-Encarnación, J. D. Burton, and E. Y. Tsymbal, “Multiferroic tunnel junctions with poly(vinylidene fluoride),” Phys. Rev. B 85, 125103 [6 pages] (2012).
- K. Fukutani, H. Hayashi, I. N. Yakovkin, T. R. Paudel, T. Habuchi, D. Hirayama, J. Jiang, H. Iwasawa, K. Shimada, N. Wu, E. Y. Tsymbal, Y. B. Losovyj, and P. A. Dowben, “New View of the Occupied Band Structure of Mo(112),” Phys. Rev. B 85 155435 [10 pages] (2012).
b. Partial MRSEC Support—IRG 2
- J. K. Glasbrenner, K. D. Belashchenko, J. Kudrnovský, V. Drchal, S. Khmelevskyi, and I. Turek, "First-principles study of spin-disorder resistivity of heavy rare-earth metals: Gd–Tm series," Phys. Rev. B 85, 214405 [8 pages] (2012).
- M. Ye. Zhuravlev, A. V. Vedyayev, K. D. Belashchenko, and E. Y. Tsymbal, "Coherent potential approximation as a voltage probe," Phys. Rev. B 85, 115134 [8 pages] (2012).
- J. Kudrnovský, V. Drchal, I. Turek, S. Khmelevskyi, J. K. Glasbrenner, and K. D. Belashchenko, “Spin-disorder resistivity of ferromagnetic metals from first principles: The disordered-local-moment approach,” Phys. Rev. B 86, 144423 [7 pages] (2012).
- P. Liu, J. A. Colón Santana, Q. Dai, X. Wang, P. A. Dowben, and J. Tang, “Sign of the superexchange coupling between next nearest neighbors in EuO,” Phys. Rev. B 86, 224408 [6 pages] (2012).
- X. Zhang, T. Palamarciuc, P. Rosa, J.-F. Létard, N. Wu, B. Doudin, Z. Zhang, J. Wang, and P. A. Dowben, “The Electronic Structure of a Spin Crossover Molecular Adsorbate,” J. Phys. Chem. C 116, 23291-23296 (2012).
- K. Fukutani, H. Hayashi, I. N. Yakovkin, T. Habuchi, D. Hirayama, J. Jiang, H. Iwasawa, Kenya Shimada, Ya. B. Losovyj, and P. A. Dowben, “Enhanced Electron-Phonon Coupling at the Au/Mo(112) Surface,” Phys. Rev. B 86, 205432 [10 pages] (2012).
- J.A. Colón Santana, Pan Liu, X. Wang, J. Tang. S.R. McHale, D. Wooten, J.W. McClory, J.C. Petrosky, J. Wu, R. Palai, Ya. B. Losovjy, and P. A. Dowben, “The local metallicity of gadolinium doped compound semiconductors,” J. Physics: Cond. Matt. 24, 445801 [6 pages] (2012).
- D. Pantel, H. Lu, S. Goetze, P. Werner, D. J. Kim, A. Gruverman, D. Hesse, and M. Alexe, “Tunnel electroresistance in junctions with ultrathin ferroelectric Pb(Zr0.2Ti0.8)O3 barriers,” Appl. Phys. Lett. 100, 232902 [4 pages] (2012).
- L. Wang, W.-N. Mei, S. R. McHale, J. W. McClory, J. C. Petrosky, J. Wu, R. Palai, Ya. B. Losovyj, and P. A. Dowben, “The rare earth 4f hybridization with the GaN valence band,” Semicond. Sci. Technol. 27, 115017 [7 pages] (2012).
- T. Hofmann, D. Schmidt, A. Boosalis, P. Kühne, C. Herzinger, J. Woollam, E. Schubert, and M. Schubert, “Metal slanted columnar thin film THz optical sensors,” Mat. Res. Soc. Symp. Proc. 1409, CC13-17 (2012).
- C. W. Bark, P. Sharma, Y. Wang, S.H. Beak, S. Lee, S. Ryu, C. M. Folkman, T. R. Paudel, A. Kumar, S.V. Kalinin, A. Sokolov, E. Y. Tsymbal, M. S. Rzchowski, A. Gruverman, and C. B. Eom, “Switchable induced polarization in LaAlO3/SrTiO3 heterostructures,” Nano Letters 12, 1765 - 1771 (2012).
- J. D. Burton and E. Y. Tsymbal, Invited paper: “Magnetoelectric Interfaces and Spin Transport,” Phil. Trans. R. Soc. A 370, 4840-4855 (2012).
- Y. Wang, X. Liu, J. D. Burton, S. S. Jaswal, and E. Y. Tsymbal, “Ferroelectric instability under screened Coulomb interactions,” Phys. Rev. Lett. 109, 247601 [5 pages] (2012).
- K. Rogdakis, J. W. Seo, Z. Viskadourakis, Y. Wang, L. F. N. Ah Qune, E. Choi, J. D. Burton, E. Y. Tsymbal, J. Lee, and C. Panagopoulos, “Tunable ferroelectricity in artificial tri-layer superlattices comprised of non-ferroic components,” Nature Communications 3, 1064 [6 pages] (2012).
c. Publications resulting from research, but do not acknowledge the MRSEC award—IRG2
- K. D. Belashchenko, J. K. Glasbrenner, and A. L. Wysocki, “Spin injection from a half-metal at finite temperatures,” Phys. Rev. B 86, 224402 [8 pages] (2012).
- L. Routaboul, P. Braunstein, J. Xiao, Z. Zhang, P. A. Dowben, G. Dalmas, V. DaCosta, O. Félix, G. Decher, L. G. Rosa, and B. Doudin, “Altering the Static Dipole on Surfaces Through Chemistry: Molecular Films of Zwitterionic Quinonoids,” J. Am. Chem. Soc. 134, 8494-8506 (2012).
- L. G. Rosa, J. Velev, Z. Zhang, J. A., O. Vega, G. Diaz, L. Routaboul, P. Braunstein, B. Doudin, Y. B. Losovyj, and P. A. Dowben, “Approaching an Organic Semi-metal: Electron Pockets at the Fermi Level for p-benzoquinonemonoimine Zwitterion,” Physica Status Solidi B 249, 1571-1576 (2012); DOI: 10.1002/pssb.201147426
- E. Y. Tsymbal, E. R. A. Dagotto, C. B. Eom, and R. Ramesh, Eds., Multifunctional Oxide Heterostructures (Oxford University Press, 2012), 416 pp.
- D. J. Kim, H. Lu, S. Ryu, C. W. Bark, C. B. Eom, E. Y. Tsymbal, and A. Gruverman, “Ferroelectric Tunnel Memristor,” Nano Lett. 12, 5697-5702 (2012). DOI: 10.1021/nl302912t.
- H. Lu, D. J. Kim, C. W. Bark, S. Ryu, C. B. Eom, E. Y. Tsymbal, and A. Gruverman, “Mechanically-Induced Resistive Switching in Ferroelectric Tunnel Junctions,” Nano Lett. 12, 6289-6292 (2012).
- S. Schöche, T. Hofmann, N. B. Sedrine, V. Darakchieva, B. Monemar, X. Wang, A. Yoshikawa, and M. Schubert, “Infrared ellipsometry and near-infrared-to-vacuum-ultraviolet ellipsometry study of free-charge carrier properties in In-polar p-type InN,” Mat. Res. Soc. Symp. Proc. 1396, O07-27 (2012).
Seeds
a. Primary MRSEC Support—Seeds
- B. Yang, Z. Xiao, Y. Yuan, T. V. Jayaraman, J. E. Shield, R. Skomski, and J. Huang, “Room-temperature organic ferromagnetism in the crystalline poly(3-hexylthiophene): Phenyl-C61-butyric acid methyl ester blend film,” Polymer 54, 490-494 (2013).
b. Partial MRSEC Support—Seeds
- Y. B. Yuan, P. Sharma, Z. G. Xiao, S. Poddar, A. Gruverman, S. Ducharme, and J. S. Huang, “Understanding the effect of ferroelectric polarization on power conversion efficiency of organic photovoltaic devices,” Energy & Environmental Science 5 (9), 8558-8563 (2012).
- X. Hong, K. Zou, B. Wang, S.-H. Cheng, and J. Zhu, “Evidence for Spin-Flip Scattering and Local Moments in Dilute Fluorinated Graphene,” Phys. Rev. Lett. 108, 226602 [5 pages] (2012).
c. Publications resulting from research, but do not acknowledge the MRSEC award—Seeds
None
Shared Facilities
- X. Hong, K. Zoub, A.M. DaSilva, C.H. Ahn, and J. Zhub, “Integrating functional oxides with graphene,” Solid State Communications 152, 1365–1374 (2012).
- X. Jiang and J. E. Shield, “Combined effects of chromium and carbon on phase formation and magnetic behavior of melt-spun Sm–Co magnets,” J. Magn. Magn. Mater. 333, 63-68 (2013).
- P. Mukherjee, Y. Zhang, M. J. Kramer, L. H. Lewis and J. E. Shield, “L10 Structure Formation in Slow-cooled Fe-Au Nanoclusters,” Appl. Phys. Lett. 100, 222405 [3 pages] (2012).
- R. Skomski, P. K. Sahota, B. Balamurugan, J. E. Shield, A. Kashyap, and D. J. Sellmyer, “Geometrical Aspects of Hard-Soft Exchange Coupling,” Proc. REPM’12, Nagasaki 2012, p. 155-158.
- P. Manchanda, R. Skomski, J. E. Shield, S. Constantinides, and A. Kashyap, “Intrinsic Magnetic Properties of L10-Based Mn-Al and Fe-Co-Pt Alloys,” Proc. REPM’12, Nagasaki 2012, p. 115-118.
- S. Michalski, R. Skomski, X.-Zh. Li, D. Le Roy, T. Mukherjee, Ch. Binek, and D. J. Sellmyer, “Isothermal entropy changes in nanocomposite Co:Ni67Cu33,” J. Appl. Phys. 111, 07A930 [3 pages] (2012).
- T. Mukherjee, R. Skomski, S. Michalski, D. J. Sellmyer, and Ch. Binek, “Spin and elastic contributions to isothermal entropy change,” J. Appl. Phys. 111, 07A931 [3 pages] (2012).
- Y. Liu, T. A. George, R. Skomski, and D. J. Sellmyer, “Aligned and exchange-coupled L10 (Fe,Co)Pt-based magnetic films,” J. Appl. Phys. 111, 07B537 [3 pages] (2012).
- O. Akdogan, W. Li, G. C. Hadjipanayis, R. Skomski, and D. J. Sellmyer, “One-step fabrication of L10 FePt nanocubes and rods by cluster beam deposition,” J. Appl. Phys. 111, 07B535 [3 pages] (2012).
- W.-Y. Zhang, Sh. R. Valloppilly, X.-Zh. Li, R. Skomski, J. E. Shield, and D. J. Sellmyer, “Coercivity Enhancement in Zr2Co11-Based Nanocrystalline Materials Due to Mo Addition,” IEEE Trans. Magn. 48 (11), 3603-3605 (2012).
- F. Golkar, M. J. Kramer, Y. Zhang, R. W. McCallum, R. Skomski, D. J. Sellmyer, and J. E. Shield, “Structure and Magnetic Properties of Co-W Clusters Produced by Inert Gas Condensation,” J. Appl. Phys. 111, 07B524 [3 pages] (2012).