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Items: 30

1.

Transient Magnetic Field Effect of Photoexcitations in Donor-Acceptor Organic Semiconductors.

Huynh UNV, Basel TP, Ehrenfreund E, Vardeny ZV.

J Phys Chem Lett. 2018 Aug 16;9(16):4544-4549. doi: 10.1021/acs.jpclett.8b01869. Epub 2018 Jul 31.

PMID:
30052444
2.

Giant Rashba splitting in 2D organic-inorganic halide perovskites measured by transient spectroscopies.

Zhai Y, Baniya S, Zhang C, Li J, Haney P, Sheng CX, Ehrenfreund E, Vardeny ZV.

Sci Adv. 2017 Jul 28;3(7):e1700704. doi: 10.1126/sciadv.1700704. eCollection 2017 Jul.

3.

Transient Magnetophotoinduced Absorption Studies of Photoexcitations in π-Conjugated Donor-Acceptor Copolymers.

Huynh UNV, Basel TP, Ehrenfreund E, Li G, Yang Y, Mazumdar S, Vardeny ZV.

Phys Rev Lett. 2017 Jul 7;119(1):017401. doi: 10.1103/PhysRevLett.119.017401. Epub 2017 Jul 6.

PMID:
28731770
4.

Doping-Induced Absorption Bands in P3HT: Polarons and Bipolarons.

Enengl C, Enengl S, Pluczyk S, Havlicek M, Lapkowski M, Neugebauer H, Ehrenfreund E.

Chemphyschem. 2016 Dec 5;17(23):3836-3844. doi: 10.1002/cphc.201600961. Epub 2016 Oct 26.

PMID:
27685867
5.

Short-lived charge-transfer excitons in organic photovoltaic cells studied by high-field magneto-photocurrent.

Devir-Wolfman AH, Khachatryan B, Gautam BR, Tzabary L, Keren A, Tessler N, Vardeny ZV, Ehrenfreund E.

Nat Commun. 2014 Jul 29;5:4529. doi: 10.1038/ncomms5529.

PMID:
25073082
6.

The first decade of organic spintronics research.

Sun D, Ehrenfreund E, Vardeny ZV.

Chem Commun (Camb). 2014 Feb 21;50(15):1781-93. doi: 10.1039/c3cc47126h. Epub 2014 Jan 15.

PMID:
24432354
7.

Organic spin-valves: from unipolar to bipolar devices.

Ehrenfreund E, Valy Vardeny Z.

Phys Chem Chem Phys. 2013 Jun 7;15(21):7967-75. doi: 10.1039/c3cp50639h. Epub 2013 Apr 25.

PMID:
23615781
8.

Spin-polarized light-emitting diode based on an organic bipolar spin valve.

Nguyen TD, Ehrenfreund E, Vardeny ZV.

Science. 2012 Jul 13;337(6091):204-9. doi: 10.1126/science.1223444.

9.

Magnetoconductance response in unipolar and bipolar organic diodes at ultrasmall fields.

Nguyen TD, Gautam BR, Ehrenfreund E, Vardeny ZV.

Phys Rev Lett. 2010 Oct 15;105(16):166804. Epub 2010 Oct 14.

PMID:
21230995
10.

Isotope effect in spin response of pi-conjugated polymer films and devices.

Nguyen TD, Hukic-Markosian G, Wang F, Wojcik L, Li XG, Ehrenfreund E, Vardeny ZV.

Nat Mater. 2010 Apr;9(4):345-52. doi: 10.1038/nmat2633. Epub 2010 Feb 14.

PMID:
20154693
11.

Polaron spin-lattice relaxation time in pi-conjugated polymers from optically detected magnetic resonance.

Yang CG, Ehrenfreund E, Vardeny ZV.

Phys Rev Lett. 2007 Oct 12;99(15):157401. Epub 2007 Oct 9.

PMID:
17995211
12.

Linear and nonlinear photoexcitation dynamics in pi-conjugated polymers.

Epshtein O, Eichen Y, Ehrenfreund E, Wohlgenannt M, Vardeny ZV.

Phys Rev Lett. 2003 Jan 31;90(4):046804. Epub 2003 Jan 28.

PMID:
12570443
13.

Semiconductor quantum dot: a quantum light source of multicolor photons with tunable statistics.

Regelman DV, Mizrahi U, Gershoni D, Ehrenfreund E, Schoenfeld WV, Petroff PM.

Phys Rev Lett. 2001 Dec 17;87(25):257401. Epub 2001 Nov 30.

PMID:
11736603
14.
15.

Intersubband L-valley and heavy-hole transitions in undoped GaSb/AlSb superlattices.

Abramovich Y, Poplawski J, Ehrenfreund E, Gershoni D, Brar B, Kroemer H.

Phys Rev B Condens Matter. 1994 Sep 15;50(12):8922-8925. No abstract available.

PMID:
9974928
16.

Minibands in the continuum of multi-quantum-well superlattices.

Gershoni D, Oiknine-Schlesinger J, Ehrenfreund E, Ritter D, Hamm RA, Panish MB.

Phys Rev Lett. 1993 Nov 1;71(18):2975-2978. No abstract available.

PMID:
10054826
17.

Optically induced intersubband absorption in the presence of a two-dimensional electron gas in quantum wells.

Garini Y, Ehrenfreund E, Cohen E, Ron A, Law K, Merz JL, Gossard AC.

Phys Rev B Condens Matter. 1993 Aug 15;48(7):4456-4459. No abstract available.

PMID:
10008921
18.

Particle localization and phonon sidebands in GaAs/AlxGa1-xAs multiple quantum wells.

Brener I I, Olszakier M, Cohen E, Ehrenfreund E, Ron A, Pfeiffer L.

Phys Rev B Condens Matter. 1992 Sep 15;46(12):7927-7930. No abstract available.

PMID:
10002540
19.

Determination of the extension of the heavy-hole wave function in GaAs by photomodulation spectroscopy.

Olszakier M, Ehrenfreund E, Cohen E.

Phys Rev B Condens Matter. 1991 Apr 15;43(11):9350-9353. No abstract available.

PMID:
9996625
20.

Photoinduced intersubband absorption in undoped multi-quantum-well structures.

Olszakier M, Ehrenfreund E, Cohen E, Bajaj J, Sullivan GJ.

Phys Rev Lett. 1989 Jun 19;62(25):2997-3000. No abstract available.

PMID:
10040147
21.

Resonant Raman scattering from diluted polyacetylene chains.

Cohen H, Brafman O, Ehrenfreund E.

Phys Rev B Condens Matter. 1989 Mar 15;39(9):5899-5906. No abstract available.

PMID:
9949010
22.

Calculation of optical properties of trans-polyacetylene by the linear muffin-tin-orbital method.

Zemach R, Ashkenazi J, Ehrenfreund E.

Phys Rev B Condens Matter. 1989 Jan 15;39(3):1891-1896. No abstract available.

PMID:
9948407
23.

Application of the linear muffin-tin-orbital band-structure method to calculate optical properties of solids.

Zemach R, Ashkenazi J, Ehrenfreund E.

Phys Rev B Condens Matter. 1989 Jan 15;39(3):1884-1890. No abstract available.

PMID:
9948406
24.

Photoexcitations in La2CuO4: 2-eV energy gap and long-lived defect states.

Ginder JM, Roe MG, Song Y, McCall RP, Gaines JR, Ehrenfreund E, Epstein AJ.

Phys Rev B Condens Matter. 1988 May 1;37(13):7506-7509. No abstract available.

PMID:
9944042
25.

Amplitude and phase modes in trans-polyacetylene: Resonant Raman scattering and induced infrared activity.

Ehrenfreund E, Vardeny Z, Brafman O, Horovitz B.

Phys Rev B Condens Matter. 1987 Jul 15;36(3):1535-1553. No abstract available.

PMID:
9942986
26.

Photoexcitation spectroscopy of polythiophene.

Vardeny Z, Ehrenfreund E, Shinar J, Wudl F.

Phys Rev B Condens Matter. 1987 Feb 15;35(5):2498-2500. No abstract available.

PMID:
9941712
27.

Detection of soliton shape modes in polyacetylene.

Vardeny Z, Ehrenfreund E, Brafman O, Horovitz B, Fujimoto H, Tanaka J, Tanaka M.

Phys Rev Lett. 1986 Dec 8;57(23):2995. No abstract available.

PMID:
10033927
28.

Photomodulation spectroscopy of iodine-doped polyacetylene: Phase transition from soliton lattice to metal.

Ehrenfreund E, Vardeny Z, Brafman O, Weagley R, Epstein AJ.

Phys Rev Lett. 1986 Oct 20;57(16):2081-2084. No abstract available.

PMID:
10033627
29.

Photogeneration of confined soliton pairs (bipolarons) in polythiophene.

Vardeny Z, Ehrenfreund E, Brafman O, Nowak M, Schaffer H, Heeger AJ, Wudl F.

Phys Rev Lett. 1986 Feb 10;56(6):671-674. No abstract available.

PMID:
10033254
30.

Classification of disorder and extrinsic order in polymers by resonant Raman scattering.

Vardeny Z, Ehrenfreund E, Brafman O, Horovitz B.

Phys Rev Lett. 1985 Jan 7;54(1):75-78. No abstract available.

PMID:
10030888

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