Tematica I structure of solids, structural phase transitions, defects -resp. S. Nistor, F. Vasiliu
DOI: 10.1063/1.3334168 Record 2 of 40
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DOI: 10.1063/1.3334168 Record 2 of 40 Author(s): Andreica, D; de Reotier, PD; Yaouanc, A; Amato, A; Lapertot, G Title: Absence of magnetic phase separation in MnSi under pressure Source: PHYSICAL REVIEW B, 81 (6): Art. No. 060412 FEB 2010 Times Cited: 2 ISSN: 1098-0121 Article Number: 060412 DOI: 10.1103/PhysRevB.81.060412 Record 3 of 40 Author(s): Burzo, E; Balazs, I; Chioncel, L; Arrigoni, E; Beiuseanu, F Title: Rare-earth impurities in Co2MnSi: Improving half-metallicity at finite temperatures Source: PHYSICAL REVIEW B, 80 (21): Art. No. 214422 DEC 2009 Times Cited: 2 ISSN: 1098-0121 Article Number: 214422 DOI: 10.1103/PhysRevB.80.214422 Record 4 of 40 Author(s): Enachescu, C; Stoleriu, L; Stancu, A; Hauser, A Title: Model for Elastic Relaxation Phenomena in Finite 2D Hexagonal Molecular Lattices Source: PHYSICAL REVIEW LETTERS, 102 (25): Art. No. 257204 JUN 26 2009 Times Cited: 11 ISSN: 0031-9007 Article Number: 257204 DOI: 10.1103/PhysRevLett.102.257204 Record 5 of 40 Author(s): Moca, CP; Sheu, BL; Samarth, N; Schiffer, P; Janko, B; Zarand, G Title: Scaling Theory of Magnetoresistance and Carrier Localization in Ga1-xMnxAs Source: PHYSICAL REVIEW LETTERS, 102 (13): Art. No. 137203 APR 3 2009 Times Cited: 4 ISSN: 0031-9007 Article Number: 137203 DOI: 10.1103/PhysRevLett.102.137203 Record 6 of 40 Author(s): Crisan, M; Sanchez, D; Lopez, R; Serra, L; Grosu, I Title: Localized magnetic states in Rashba dots Source: PHYSICAL REVIEW B, 79 (12): Art. No. 125319 MAR 2009 Times Cited: 5 ISSN: 1098-0121 Article Number: 125319 DOI: 10.1103/PhysRevB.79.125319 Record 7 of 40 Author(s): Cimpoesu, D; Pham, H; Stancu, A; Spinu, L Title: Dynamic and temperature effects in spin-transfer switching Source: JOURNAL OF APPLIED PHYSICS, 104 (11): Art. No. 113918 DEC 1 2008 Times Cited: 3 ISSN: 0021-8979 Article Number: 113918 DOI: 10.1063/1.3032415 Record 8 of 40 Author(s): Firastrau, I; Gusakova, D; Houssameddine, D; Ebels, U; Cyrille, MC; Delaet, B; Dieny, B; Redon, O;Toussaint, JC; Buda-Prejbeanu, LD Title: Modeling of the perpendicular polarizer-planar free layer spin torque oscillator: Micromagnetic simulations Source: PHYSICAL REVIEW B, 78 (2): Art. No. 024437 JUL 2008 Times Cited: 5 ISSN: 1098-0121 Article Number: 024437 DOI: 10.1103/PhysRevB.78.024437 Record 9 of 40 Author(s): Lupu, N; Chiriac, H; Pascariu, P Title: Electrochemical deposition of FeGa/NiFe magnetic multilayered films and nanowire arrays Source: JOURNAL OF APPLIED PHYSICS, 103 (7): Art. No. 07B511 APR 1 2008 Times Cited: 3 ISSN: 0021-8979 Article Number: 07B511 DOI: 10.1063/1.2832353 Record 10 of 40 Author(s): Chioncel, L; Sakuraba, Y; Arrigoni, E; Katsnelson, MI; Oogane, M; Ando, Y; Miyazaki, T; Burzo, E; Lichtenstein, AI Title: Nonquasiparticle states in Co2MnSi evidenced through magnetic tunnel junction spectroscopy measurements Source: PHYSICAL REVIEW LETTERS, 100 (8): Art. No. 086402 FEB 29 2008 Times Cited: 29 ISSN: 0031-9007 Article Number: 086402 DOI: 10.1103/PhysRevLett.100.086402 Record 11 of 40 Author(s): Chiriac, H; Ovari, TA; Corodeanu, S; Ababei, G Title: Interdomain wall in amorphous glass-coated microwires Source: PHYSICAL REVIEW B, 76 (21): Art. No. 214433 DEC 2007 Times Cited: 11 ISSN: 1098-0121 Article Number: 214433 DOI: 10.1103/PhysRevB.76.214433 Record 12 of 40 Author(s): Cimpoesu, D; Stancu, A; Spinu, L Title: Physics of complex transverse susceptibility of magnetic particulate systems Source: PHYSICAL REVIEW B, 76 (5): Art. No. 054409 AUG 2007 Times Cited: 3 ISSN: 1098-0121 Article Number: 054409 DOI: 10.1103/PhysRevE.76.054409 Record 13 of 40 Author(s): Chiriac, H; Lupu, N; Stoleriu, L; Postolache, P; Stancu, A Title: Experimental and micromagnetic first-order reversal curves analysis in NdFeB-based bulk "exchange spring'' -type permanent magnets Source: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 316 (2): 177-180 SEP 2007 Times Cited: 12 ISSN: 0304-8853 DOI: 10.1016/j.jmmm.2007.02.049 Record 14 of 40 Author(s): Filoti, G; Kuz'min, MD; Bartolome, J Title: Mossbauer study of the hyperfine interactions and spin dynamics in alpha-iron(II) phthalocyanine Source: PHYSICAL REVIEW B, 74 (13): Art. No. 134420 OCT 2006 Times Cited: 9 ISSN: 1098-0121 Article Number: 134420 DOI: 10.1103/PhysRevB.74.134420 Record 15 of 40 Author(s): Chioncel, L; Mavropoulos, P; Lezaic, M; Bluegel, S; Arrigoni, E; Katsnelson, MI; Lichtenstein, AI Title: Half-metallic ferromagnetism induced by dynamic electron correlations in VAs Source: PHYSICAL REVIEW LETTERS, 96 (19): Art. No. 197203 MAY 19 2006 Times Cited: 37 ISSN: 0031-9007 Article Number: 197203 DOI: 10.1103/PhysRevLett.96.197203 Record 16 of 40 Author(s): Dumitru, I; Li, F; Wiley, JB; Cimpoesu, D; Stancu, A; Spinu, L Title: Study of magnetic interactions in metallic nanowire networks Source: IEEE TRANSACTIONS ON MAGNETICS, 41 (10): 3361-3363 OCT 2005 Times Cited: 20 ISSN: 0018-9464 DOI: 10.1109/TMAG.2005.854707 Record 17 of 40 Author(s): Chiriac, H; Tibu, M; Moga, AE; Herea, DD Title: Magnetic GMI sensor for detection of biomolecules Source: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 293 (1): 671-676 Sp. Iss. SI MAY 1 2005 Times Cited: 21 ISSN: 0304-8853 DOI: 10.1016/j.jmmm.2005.02.043 Record 18 of 40 Author(s): Tanasa, R; Enachescu, C; Stancu, A; Linares, J; Codjovi, E; Varret, F; Haasnoot, J Title: First-order reversal curve analysis of spin-transition thermal hysteresis in terms of physical-parameter distributions and their correlations Source: PHYSICAL REVIEW B, 71 (1): Art. No. 014431 JAN 2005 Times Cited: 23 ISSN: 1098-0121 Article Number: 014431 DOI: 10.1103/PhysRevB.71.014431 Record 19 of 40 Author(s): Togano, K; Badica, P; Nakamori, Y; Orimo, S; Takeya, H; Hirata, K Title: Superconductivity in the metal rich Li-Pd-B ternary boride Source: PHYSICAL REVIEW LETTERS, 93 (24): Art. No. 247004 DEC 10 2004 Times Cited: 92 ISSN: 0031-9007 Article Number: 247004 DOI: 10.1103/PhysRevLett.93.247004 Record 20 of 40 Author(s): Chiriac, H; Moga, AE; Urse, M; Paduraru, I; Lupu, N Title: Preparation and magnetic properties of amorphous NiP and CoP nanowire arrays Source: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 272: 1678-1680 Part 3 Sp. Iss. SI MAY 2004 Times Cited: 20 ISSN: 0304-8853 DOI: 10.1016/j.jmmm.2003.12.540 Record 21 of 40 Author(s): Kuncser, VE; Doi, M; Keune, W; Askin, M; Spies, H; Jiang, JS; Inomata, A; Bader, SD Title: Observation of the Fe spin spiral structure in Fe/Sm-Co exchange-spring bilayers by Mossbauer spectroscopy Source: PHYSICAL REVIEW B, 68 (6): Art. No. 064416 AUG 1 2003 Times Cited: 13 ISSN: 1098-0121 Article Number: 064416 DOI: 10.1103/PhysRevB.68.064416 Record 22 of 40 Author(s): Stancu, A; Pike, C; Stoleriu, L; Postolache, P; Cimpoesu, D Title: Micromagnetic and Preisach analysis of the First Order Reversal Curves (FORC) diagram Source: JOURNAL OF APPLIED PHYSICS, 93 (10): 6620-6622 Part 2 MAY 15 2003 Times Cited: 48 ISSN: 0021-8979 DOI: 10.1063/1.1557656 Record 23 of 40 Author(s): Radu, F; Etzkorn, M; Siebrecht, R; Schmitte, T; Westerholt, K; Zabel, H Title: Interfacial domain formation during magnetization reversal in exchange-biased CoO/Co bilayers Source: PHYSICAL REVIEW B, 67 (13): Art. No. 134409 APR 1 2003 Times Cited: 104 ISSN: 1098-0121 Article Number: 134409 DOI: 10.1103/PhysRevB.67.134409 Record 24 of 40 Author(s): Caizer, C; Stefanescu, M Title: Magnetic characterization of nanocrystalline Ni-Zn ferrite powder prepared by the glyoxylate precursor method Source: JOURNAL OF PHYSICS D-APPLIED PHYSICS, 35 (23): 3035-3040 DEC 7 2002 Times Cited: 60 ISSN: 0022-3727 Record 25 of 40 Author(s): Burzo, E; Chiuzbaian, SG; Neumann, M; Valeanu, M; Chioncel, L; Creanga, I Title: Magnetic and electronic properties of DyNi5-xAlx compounds Source: JOURNAL OF APPLIED PHYSICS, 92 (12): 7362-7368 DEC 15 2002 Times Cited: 21 ISSN: 0021-8979 DOI: 10.1063/1.1521257 Record 26 of 40 Author(s): Evangelisti, M; Bartolome, J; de Jongh, LJ; Filoti, G Title: Magnetic properties of alpha-iron(II) phthalocyanine Source: PHYSICAL REVIEW B, 66 (14): Art. No. 144410 OCT 1 2002 Times Cited: 31 ISSN: 1098-0121 Article Number: 144410 DOI: 10.1103/PhysRevB.66.144410 Record 27 of 40 Author(s): Gheorghe, R; Andruh, M; Muller, A; Schmidtmann, M Title: Heterobinuclear complexes as building blocks in designing extended structures Source: INORGANIC CHEMISTRY, 41 (21): 5314-5316 OCT 21 2002 Times Cited: 61 ISSN: 0020-1669 DOI: 10.1021/ic020293s Record 28 of 40 Author(s): Dumitru, I; Sandu, DD; Verdes, CG Title: Model of ferromagnetic resonance in interacting fine particle systems Source: PHYSICAL REVIEW B, 66 (10): Art. No. 104432 SEP 1 2002 Times Cited: 5 ISSN: 1098-0121 Article Number: 104432 DOI: 10.1103/PhysRevB.66.104432 Record 29 of 40 Author(s): Hrianca, I; Caizer, C; Schlett, Z Title: Dynamic magnetic behavior of Fe3O4 colloidal nanoparticles Source: JOURNAL OF APPLIED PHYSICS, 92 (4): 2125-2132 AUG 15 2002 Times Cited: 32 ISSN: 0021-8979 DOI: 10.1063/1.1496354 Record 30 of 40 Author(s): Chicinas, I; Pop, V; Isnard, O Title: Magnetic properties of Ni3Fe intermetallic compound obtained by mechanical alloying Source: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 242: 885-887 Part 2 APR 2002 Times Cited: 20 ISSN: 0304-8853 Record 31 of 40 Author(s): Bica, I Title: Damper with magnetorheological suspension Source: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 241 (2-3): 196-200 MAR 2002 Times Cited: 26 ISSN: 0304-8853 Record 32 of 40 Author(s): Verdes, C; Ruiz-Diaz, B; Thompson, SM; Chantrell, RW; Stancu, A Title: Computational model of the magnetic and transport properties of interacting fine particles Source: PHYSICAL REVIEW B, 65 (17): Art. No. 174417 MAY 1 2002 Times Cited: 24 ISSN: 1098-0121 Article Number: 174417 DOI: 10.1103/PhysRevB.65.174417 Record 33 of 40 Author(s): Labaye, Y; Crisan, O; Berger, L; Greneche, JM; Coey, JMD Title: Surface anisotropy in ferromagnetic nanoparticles Source: JOURNAL OF APPLIED PHYSICS, 91 (10): 8715-8717 Part 3 MAY 15 2002 Times Cited: 60 ISSN: 0021-8979 DOI: 10.1063/1.1456419 Record 34 of 40 Author(s): Racec, ER; Wulf, U Title: Resonant quantum transport in semiconductor nanostructures Source: PHYSICAL REVIEW B, 64 (11): Art. No. 115318 SEP 15 2001 Times Cited: 29 ISSN: 0163-1829 Article Number: 115318 Record 35 of 40 Author(s): Caltun, OF; Spinu, L; Stancu, A Title: Magnetic properties of high frequency Ni-Zn ferrites doped with CuO Source: IEEE TRANSACTIONS ON MAGNETICS, 37 (4): 2353-2355 Part 1 JUL 2001 Times Cited: 34 ISSN: 0018-9464 Record 36 of 40 Author(s): Deac, IG; Mitchell, JF; Schiffer, P Title: Phase separation and low-field bulk magnetic properties of Pr0.7Ca0.3MnO3 Source: PHYSICAL REVIEW B, 63 (17): Art. No. 172408 MAY 1 2001 Times Cited: 76 ISSN: 0163-1829 Article Number: 172408 Record 37 of 40 Author(s): Stancu, A; Stoleriu, L; Cerchez, M Title: Micromagnetic evaluation of statistical and mean-field interactions in particulate ferromagnetic media Source: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 225 (3): 411-417 APR 2001 Times Cited: 29 ISSN: 0304-8853 Record 38 of 40 Author(s): Rezlescu, E; Sachelarie, L; Popa, PD; Rezlescu, N Title: Effect of substitution of divalent ions on the electrical and magnetic properties of Ni-Zn-Me ferrites Source: IEEE TRANSACTIONS ON MAGNETICS, 36 (6): 3962-3967 NOV 2000 Times Cited: 40 ISSN: 0018-9464 Record 39 of 40 Author(s): Chiriac, H; Lupu, N Title: Bulk amorphous (Fe, Co, Ni)(70)(Zr, Nb, M)(10)B-20 (M = Ti, Ta or Mo) soft magnetic alloys Source: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 215: 394-396 Sp. Iss. SI JUN 2000 Times Cited: 24 ISSN: 0304-8853 Record 40 of 40 Author(s): Girtu, MA; Wynn, CM; Fujita, W; Awaga, K; Epstein, AJ Title: Glassiness and canted antiferromagnetism in three geometrically frustrated triangular quantum Heisenberg antiferromagnets with additional Dzyaloshinskii-Moriya interaction Source: PHYSICAL REVIEW B, 61 (6): 4117-4130 FEB 1 2000 Times Cited: 28 ISSN: 1098-0121 L. Vékás, M.V. Avdeev, Doina Bica, Magnetic Nanofluids: Synthesis and Structure, Chapter 25 in: NanoScience in Biomedicine (Ed. Donglu Shi) Springer (USA), 645- 704 (2009) I. Anton, I. De Sabata, L.Vékás, Application orientated researches on magnetic fluids, J. Magn. Magn. Mater., 85, 219-226 (1990)
M. Raşa, Doina Bica, A. Philipse, L. Vékás, Dilution series approach for investigation of microstructural properties and particle interactions in high – quality magnetic fluids, Eur. Phys. J. E, 7, 209–220 (2002) Doina Bica, L. Vékás, M. Raşa, Preparation and properties of concentrated magnetic fluids on alcohol and water carrier liquids, J. Magn. Magn. Mater., 252, 10-12 (2002) V. Socoliuc, Doina Bica, L. Vékás, Estimation of magnetic particle clustering in magnetic fluids from static magnetization experiments, J.Colloid&Interface Science, 264, 141-147 (2003) L. Vékás, Doina Bica, Oana Marinică, M.Rasa, V.Socoliuc, Floriana D.Stoian, Concentrated magnetic fluids on water and short chain length organic carriers, J. Magn. Magn. Mater., 289, 50-53 (2005) Doina Bica, L. Vékás, M.V. Avdeev, Oana Marinică, Maria Bălăşoiu, V.M. Garamus, Sterically stabilized water based magnetic nanofluids: synthesis, structure and properties, J. Magn. Magn. Mater., Vol.311, 17-21 (2007) M.V. Avdeev, D. Bica, L. Vékás, V. L. Aksenov, A.V. Feoktystov, O. Marinica, L. Rosta, V.M. Garamus, R. Willumeit, Comparative structure analysis of non-polar organic ferrofluids stabilized by saturated mono-carboxylic acids, J. Colloid&Interface Sci., 334, 37-41(2009) Daniela Susan-Resiga, Doina Bica, L. Vékás, Flow behaviour of extremely bidisperse magnetizable fluids, J. Magn. Magn. Mater. 322, 3166-3172(2010) M. V. Avdeev, Birte Mucha, Katrin Lamszus, L. Vékás, V. M. Garamus, A. V. Feoktystov, Oana Marinica, Rodica Turcu, Regine Willumeit, Structure and in Vitro Biological Testing of Water-Based Ferrofluids Stabilized by Monocarboxylic Acids, Langmuir, 26(11) 8503-8509(2010) Tema 4 (Lucian Ion) IV. Optical properties and condensed matter spectroscopy-resp. Lucian Ion
Tema sus-mentionata este, in mod special, una interdisciplinara, implicand cunostinte/tehnici/tehnologii de fizica, chimie si matematica. Pe baza rezultatelor inregistrate in ultimul deceniu (Fig.1) se poate afirma ca in Romania exista in acest moment un potential uman si infrastructura necesara dezvoltarii cercetarii stiintifice in acest domeniu, fapt reflectat in participarea la proiecte nationale si internationale si elaborarea de publicatii stiintifice. 
Fig.1 Evolutia numarului publicatiilor cu autori romani, avand tema enuntata in titlu, si a citarilor acestora in perioada 2000-2011, reflectata de baza de date ISI Thomson (Topics=(optical properties OR condensed matter spectroscopy) AND (Address=(Romania)). Numarul total al articolelor publicate in acest domeniu, cu autori romani, in reviste cotate ISI in intervalul 2000-2011 este 1154; aceste articole aduna in total un numar de 6208 citari in acelasi interval de timp, cu un numar mediu de 5.38 citari/articol. Indicele Hirsch corespunzator este 31. De remarcat tendinta pronuntat ascendenta pe intreaga perioada analizata. Utilizand in calitate de criteriu de cautare spectroscopia/tehnici spectroscopice ca subiect al publicatiilor ISI cu autori romani se obtine un numar de 4304 articole, cu 18637 citari si un indice Hirsch de 40. Scopul acestui studiu este identificarea principalelor subiecte abordate de cercetatorii romani precum si a grupurilor celor mai active in acest domeniu si, eventual, de a sugera modalitati de coeziune a eforturilor depuse de diversele grupuri de cercetare in vederea cresterii performantelor si vizibilitatii cercetarii in domeniu din Romania.
IV.1 Materiale cu proprietati optice speciale (metamateriale fotonice, medii active laser, materiale pentru optica neliniara) A. Metamateriale - Realizari recente si perspective - sisteme optice cu super-rezolutie (rezolutie spatiala la dimensiuni mai mici decat lungimea de unda)[Liu, Z., Durant, S., Lee, H., Pikus, Y., Fang, N., Xiong, Y., Sun, C., Zhang, X., Far-field optical superlens, Nano Letters 7, 2007, pp. 403-408] - aplicatii in sisteme de comunicatii – miniaturizare, control sporit al propagarii undelor electromagnetice [A.J. Viitanen and S.A. Tretyakov, "Metawaveguides formed by arrays of small resonant particles over a ground plane," J. Opt. A: Pure Appl. Opt. 7, S133-S140 (2005); M. Bayindir, B. Temelkuran, E. Ozbay, "Propagation of photons by hopping: A waveguiding mechanism through localized coupled cavities in three-dimensional photonic crystals," Phys Rev. B 61 (18): 11855-11858 (2000)] - sisteme optice de inregistrare a informatiei, de mare densitate - aplicatii in industria de aparare (“ascunderea” unui obiect prin ghidarea undelor electromagnetice in jurul regiunii spatiale pe care o ocupa) [A. Alu, N. Engheta, 'Achieving transparency with plasmonic and metamaterial coatings,' Phys. Rev. E, 72, 016623 (2005); U. Leonhardt, 'Optical conformal mapping,' Science 312, 1777-1780 (2006); J.B. Pendry, D. Schurig, D.R. Smith, 'Controlling electromagnetic fields,' Science 312, 1780-1782 (2006); X.M. Zhou, G.K. Hu, 'Design for electromagnetic wave transparency with metamaterials,' Phys. Rev. E 74 (2), 026607 (2006); W. Cai, U. K. Chettiar, A. V. Kildishev, V. M. Shalaev, 'Optical cloaking with metamaterials,' Nature Photonics 1, 224 (2007)]
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