Catalin Spataru

2019

Spataru, CD, F Léonard. (2019). Quantum dynamics of single-photon detection using functionalized quantum transport electronic channels. Phys. Rev. Research, in press.

Medlin, DL, N Yang, CD Spataru, LM Hale, Y Mishin. (2019). Unraveling the dislocation core structure at a van der Waals gap: Bismuth telluride as a prototype. Nat. Comm., 10, 1820.

Léonard, F, ME Foster, CD Spataru. (2019). Prospects for Bioinspired Single-Photon Detection Using Nanotube-Chromophore Hybrids. Scientific Reports, 9, 3268.

Spataru, CD, MH Crawford, AA Allerman. (2019). First principles study of hBN-AlN shortperiod superlattice heterostructures. Appl. Phys. Lett., 114, 011903.

Spataru, CD, Y He, F Léonard. (2019). Atomistic study of an ideal metal/thermoelectric contact: The full-Heusler/half Heusler interface. APL Materials, 7, 013202.

2018

Kunakova, G, L Galletti, S Charpentier, J Andzane, D Erts, F Léonard, CD Spataru, T Bauch, F Lombardi. (2018). Bulk-free topological insulator Bi2Se3 nanoribbons with magnetotransport signatures of Dirac surface states. Nanoscale, 10, 19595.

He, Y, F Léonard, CD Spataru. (2018). Atomistic study of the electronic contact resistivity between the half-Heusler alloys (HfCoSb, HfZrCoSb, HfZrNiSn) and the metal Ag. Physical Review Materials, 2, 065401.

Rice, A, A Allerman, M Crawford, T Beechem, T Ohta, C Spataru, J Figiel, M Smith. (2018). Effects of deposition temperature and ammonia flow on metal-organic chemical vapor deposition of hexagonal boron nitride. J. Cryst. Growth, 485, 90.

He Y, F Léonard, DL Medlin, N Baldasaro, DS Temple, P Barletta, CD Spataru. (2018). High Efficiency Thin Film Superlattice Thermoelectric Cooler Modules Enabled by Low Resistivity Contacts. Advanced Electronic Materials, 4, 1700381.

2017

Léonard, F, CD Spataru, M Goldflam, DW Peters, TE Beechem. (2017). Dynamic Wavelenght-Tunable Photodetector Using Subwavelength Graphene Field-Effect Transistors. Scientific Reports, 7, 45873.

Gao, S, L Yang, CD Spataru. (2017). Interlayer Coupling and Gate-Tunable Excitons in Transition Metal Dichalcogenide Heterostructures, Nano Letters 17, 7809.

Thurmer, K, CD Spataru. (2017). Harmonic model of corrugations of incommensurate two-dimensional layers, Phys. Rev. B 95, 035432.

He, Y, CD Spataru, F Léonard, RE Jones, ME Foster, M Allendorf, AA Talin. (2017). Two-Dimensional Metal-Organic Frameworks with High Thermoelectric Efficiency Through Metal Ion Selection. Physical Chemistry Chemical Physics, 19 (29), 19461-19467.

2016

Gao, S, Y Liang, CD Spataru, L Yang. (2016). Dynamical Excitonic Effects in Doped Two-Dimensional Semiconductors, Nano Letters 16, 5568.

Foster, ME, K Sohlberg, CD Spataru, MD Allendorf. (2016). Proposed Modification of the Graphene Analogue Ni-3(HITP)(2) To Yield a Semiconducting Material, J. Phys. Chem. C 120, 15001.

Zheng, YJ, YL Huang, Y Chenp, W Zhao, G Eda, CD Spataru, W Zhang, YH Chang, LJ Li, D Chi, SY Quek. (2016). A.T.S. WeeHeterointerface Screening Effects between Organic Monolayers and Monolayer Transition Metal Dichalcogenides, ACS Nano 10, 2476.

2015

Spataru, CD, L Shulenburger, LX Benedict. (2015). Ab initio many-body Green’s function calculations of optical properties of LiF at high pressures, Phys. Rev. B, 92, 245117.

Beechem, TE, BM Kowalski, MT Brumbach, AE McDonald, CD Spataru, SW Howell, T Ohta, JA Pask, NG Kalugin. (2015). Oxidation of ultrathin GaSe. Appl. Phys. Lett. 107, 173103.

Erickson, KJ, F Léonard, V Stavila, ME Foster, CD Spataru, RE Jones, BM Foley, PE Hopkins, MD Allendorf, AA Talin. (2015). Thin Film Thermoelectric Metal-Organic Framework with High Seebeck Coefficient and Low Thermal Conductivity. Advanced Materials, 27, 3453.

Erickson, KJ, F Leonard, VN Stavila, ME Foster, CD Spataru, R Jones, B Foley, P Hopkins, MD Allendorf, AA Talin. (2015). Thin film thermoelectric metal-organic framework with high Seebeck coefficient and low thermal conductivity. SPIE 9553, 955315.

2014

Spataru, CD, and F Léonard. (2014). Fermi-Level Pinning, Charge Transfer, and Relaxation of Spin-Momentum Locking at Metal Contacts to Topological Insulators. Physical Review B, 90, 085115.

2013

Spataru, CD. (2013). Electronic and optical gap renormalization in carbon nanotubes near a metallic surface. Physical Review B, 88, 125412.

Spataru, CD, and F Léonard. (2013). Many-body effects on the electronic and optical properties of strained semiconducting carbon nanotubes. Physical Review B, 88, 045404.

2012

Spataru, CD, F. Leonard (2012). Quasiparticle and exciton renormalization effects in electrostatically doped semiconducting carbon nanotubes. Chemical Physics, 43, pp. 81-88.

Park, CH, F Giustino, CD Spataru, ML Cohen, and SG Louie. (2012). Inelastic carrier lifetime in bilayer graphene. Applied Physics Letters 100, 032106.

2011

Jeffries, JR, AL Lima Sharma, PA Sharma, CD Spataru, SK McCall, JD Sugar, ST Weir, and YK Vohra. (2010). Distinct superconducting states in the pressure-induced metallic structures of the nominal semimetal Bi4Te3Physical Review B 84, 092505.

2010

Spataru, CD, (2010). Scaling properties of the Anderson model in the Kondo regime studied by σGσW formalism. Physical Review B 82, 195111.

Medlin, DL , QM Ramasse, CD Spataru, and NYC Yang. (2010). Structure of the (0001) basal twin boundary in Bi2Te3Journal of Applied Physics 108, 043517.

Spataru, CD, F Léonard. (2010). Tunable band gaps and excitons in doped semiconducting carbon nanotubes made possible by acoustic plasmons. Physical Review Letters 104:177402.

2009

Park, CH, F Giustino, CD Spataru, ML Cohen and SG Louie. (2009). Angle-Resolved Photoemission Spectra of Graphene from First-Principles Calculations. Nano Letters 9, 4234.

Park, CH, F Giustino, CD Spataru, ML Cohen, SG Louie. (2009). First-principles study of electron linewidths in graphene. Physical Review Letters 102:076803.

Spataru, CD, MS Hybertsen, SG Louie, AJ Millis. (2009). GW approach to Anderson model out of equilibrium: Coulomb blockade and false hysteresis in the I-V characteristics. Physical Review B 79:155110.

2008

Spataru, CD, S Ismail-Beigi, RB Capaz, SG Louie. (2008). Quasiparticle and excitonic effects in the optical response of nanotubes and nanoribbons. In Carbon Nanotubes: Advanced Topics in the Synthesis, Structure, Properties and Applications, A Jorio, MS Dresselhaus, G Dresselhaus, Eds. Topics in Applied Physics. Springer: Berlin. Vol. 111, pp. 195–227.

Wang, X, CD Spataru, MS Hybertsen, AJ Millis. (2008). Electronic correlation in nanoscale junctions: Comparison of the GW approximation to a numerically exact solution of the single-impurity Anderson model. Physical Review B 77:045119.

2007

Capaz, RB, CD Spataru, S Ismail-Beigi, SG Louie. (2007). Excitons in carbon nanotubes: Diameter and chirality trends. Physica Status Solidi (b) 244:4016.

Deslippe, J, CD Spataru, D Prendergast, SG Louie. (2007). Bound excitons in metallic single walled carbon nanotubes. Nano Letters 7:1626.

Lee, B, LW Wang, CD Spataru, SG Louie. (2007). Nonlocal exchange-correlation in screened-exchange density functional methods. Physical Review B 76:245114.

Yang, L, CD Spataru, SG Louie, MY Chou. (2007). Enhanced electron-hole interaction and optical absorption in a silicon nanowire. Physical Review B 75:201304(R).

2006

Barros, EB, RB Capaz, A Jorio, GG Samsonidze, AGS Filho, S Ismail-Beigi, CD Spataru, SG Louie, G Dresselhaus, MS Dreselhaus. (2006). Symmetries and selection rules for excitons in carbon nanotubes. Physical Review B 73:241406(R).

Capaz, RB, CD Spataru, S Ismail-Beigi, SG Louie. (2006). Diameter and chirality dependence of exciton properties in carbon nanotubes. Physical Review B 74:121401(R).

Ma, Y, CD Spataru, L Valkunas, SG Louie, GR Fleming. (2006). Spectroscopy of zigzag single-walled carbon nanotubes: Comparing femtosecond transient absorption spectra with ab initio calculations. Physical Review B 74:085402.

Park, C-H, CD Spataru, SG Louie. (2006). Excitons and many-electron effects in the optical response of single-walled boron nitride nanotubes. Physical Review Letters 96:126105.

Zhou, SY, G-H Gweon, J Graf, CD Spataru, AV Fedorov, D-H Lee, SG Louie, A Lanzara. (2006). First direct observation of Dirac fermions in graphite. Nature Physics 2:595.

2005

Capaz, RB, CD Spataru, P Tangney, ML Cohen, SG Louie. (2005). Temperature dependence of the band gap of semiconducting carbon nanotubes. Physical Review Letters 94:036801.

Neaton, JB, KH Khoo, CD Spataru, SG Louie. (2005). Electron transport and optical properties of carbon nanostructures from first principles. Computer Physics Communications 169:1.

Spataru, CD, S Ismail-Beigi, RB Capaz, SG Louie. (2005). Theory and ab initio calculation of radiative lifetime of excitons in semiconducting carbon nanotubes. Physical Review Letters 95:247402.

Tangney, P, RB Capaz, CD Spataru, SG Louie, ML Cohen. (2005). Structural transformations of carbon nanotubes under hydrostatic pressure. Nano Letters 5:2268.

Zhou, SY, G-H Gweon, CD Spataru, J Graf, D-H Lee, SG Louie, A Lanzara. (2005). Coexistence of sharp quasiparticle dispersions and disorder features in polycristalline graphite. Physical Review B 71:161403(R).

2004

Capaz, RB, CD Spataru, P Tangney, ML Cohen, SG Louie. (2004). Hydrostatic pressure effects on the structural and electronic properties of carbon nanotubes. Physica Status Solidi (b) 241:3352.

Spataru, CD, LX Benedict, SG Louie. (2004). Ab initio calculation of band gap renormalization in highly excited GaAs. Physical Review B 69:205204.

Spataru, CD, S Ismail-Beigi, LX Benedict, SG Louie. (2004). Excitonic effects and optical spectra of single-walled carbon nanotubes. Physical Review Letters 92:077402.

Spataru, CD, S Ismail-Beigi, LX Benedict, SG Louie. (2004). Quasiparticle energies, excitonic effects and optical absorption spectra in small diameter single-walled carbon nanotubes. Applied Physics A 78:1129.

2002

Benedict, LX, CD Spataru, SG Louie. (2002). Quasiparticle properties of a simple metal at high electron temperatures. Physical Review B 66:085116.

Sadigh, B, TJ Lenosky, MJ Caturla, AA Quong, LX Benedict, TD Rubia, MM Giles, M Foad, CD Spataru, SG Louie. (2002). Large enhancement of boron solubility in silicon due to biaxial stress. Applied Physics Letters 80:4738.

Spataru, CD, P Budau. (2002). Resonant tunnelling device at the molecular scale. A simple exactly solvable model. Journal of Physics: Condensed Matter 14:4995.

2001

Spataru, CD, MA Cazalilla, A Rubio, LX Benedict, PM Echenique, SG Louie. (2001). Anomalous quasiparticle lifetime in graphite: Band structure effects. Physical Review Letters 87:246405.

1997

Spataru, C, P Budau. (1997). The influence of adsorbate vibration on resonant tunneling in the STM. Journal of Physics: Condensed Matter 9:8333.

Spataru, C, D Teillet-Billy, JP Gauyacq, P Testé, JP Chabrerie. (1997). Ion assisted electron emission from a cathode in an electric arc. Journal of Physics D: Applied Physics 30:1135.