Academic literature on the topic 'CuO-Cu₂O'

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Journal articles on the topic "CuO-Cu₂O"

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Dubale, Amare Aregahegn, Chun-Jern Pan, Andebet Gedamu Tamirat, et al. "Heterostructured Cu2O/CuO decorated with nickel as a highly efficient photocathode for photoelectrochemical water reduction." Journal of Materials Chemistry A 3, no. 23 (2015): 12482–99. http://dx.doi.org/10.1039/c5ta01961c.

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Jiang, Qing, Jiajie Jiang, Runkang Deng, Xinyuan Xie, and Jianxin Meng. "Controllable preparation of CuO/Cu2O composite particles with enhanced photocatalytic performance." New Journal of Chemistry 44, no. 16 (2020): 6369–74. http://dx.doi.org/10.1039/d0nj00090f.

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Xu, Panpan, Jijun Liu, Tong Liu, et al. "Preparation of binder-free CuO/Cu2O/Cu composites: a novel electrode material for supercapacitor applications." RSC Advances 6, no. 34 (2016): 28270–78. http://dx.doi.org/10.1039/c6ra00004e.

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The results of XRD and XPS demonstrate that CuO/Cu<sub>2</sub>O/Cu is prepared successfully via a facile, eco-friendly, one-step template-free growth process. SEM figures show that cubic CuO/Cu<sub>2</sub>O/Cu uniformly and densely covers a skeleton of nickel foam.
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Wang, Peng, Xiaoming Wen, Rose Amal, and Yun Hau Ng. "Introducing a protective interlayer of TiO2 in Cu2O–CuO heterojunction thin film as a highly stable visible light photocathode." RSC Advances 5, no. 7 (2015): 5231–36. http://dx.doi.org/10.1039/c4ra13464h.

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Photoactivity and stability of Cu<sub>2</sub>O–CuO heterojunction thin films are enhanced by incorporating an interlayer of TiO<sub>2</sub>. The thin TiO<sub>2</sub> layer minimises the redox reactions at Cu<sub>2</sub>O–electrolyte interface and facilitates charge transfer from Cu<sub>2</sub>O to CuO.
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Fatoni, Ahmad, Mauizatul Hasanah, Lasmaryna Sirumapea, et al. "Synthesis, Characterization of Polyvinyl Alcohol-Chitosan-ZnO/CuO Nanoparticles Film and Its Biological Evaluation as An Antibacterial Agent of Staphylococcus aureus." al-Kimiya 10, no. 1 (2023): 1–12. http://dx.doi.org/10.15575/ak.v10i1.24725.

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The polyvinyl alcohol-chitosan-ZnO/CuO nanoparticles film was researched. Synthesis, characterization, and its biological evaluation as an antibacterial of Staphylococcus aureus were the aims of this research. The biosynthesis of ZnO, CuO, and ZnO/CuO nanoparticles was done using the biological method. The polyvinyl alcohol-chitosan-ZnO/CuO nanoparticles film was synthesized using the casting method. All the products were characterized by FTIR spectroscopy, X-ray diffraction, and Scanning Electron Microscope (SEM). Polyvinyl alcohol-chitosan-ZnO/CuO nanoparticles film as a paper disk for the e
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Liu, Baolin, Yizhao Li, Kun Wang, and Yali Cao. "The solid-state in situ construction of Cu2O/CuO heterostructures with adjustable phase compositions to promote CO oxidation activity." CrystEngComm 22, no. 45 (2020): 7808–15. http://dx.doi.org/10.1039/d0ce01324b.

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Cu<sub>2</sub>O/CuO heterojunctions were fabricated via in situ solid-state technology. Tuning the ratio of reactants enables optimization of the components of the Cu<sub>2</sub>O/CuO heterostructures and their catalytic activities for CO oxidation.
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OGUSHI, T., M. HIROSE, S. KOBA, S. HIGO, and I. KAWANO. "TRANSPORT PROPERTIES OF CuO IN YBCO/CuO/YBCO JUNCTION." Modern Physics Letters B 09, no. 17 (1995): 1059–67. http://dx.doi.org/10.1142/s0217984995001042.

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The zero resistance behavior of a CuO film sandwiched with YBa 2 Cu 3 O 7–δ films has been examined. The CuO is of tenorite C2/c structure which is a deformed NaCl-type lattice structure without being separated by an alkaline earth, and it forms a bulk in which copper is surrounded by nearly a square of Oxygen. The transition temperature Tce (R=0) in the fabricated sandwiched-type-CuO optimally increases over that of YBa 2 Cu 3 O 7–δ film-electrodes.
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Fatoni, Ahmad, Ade Chika Paramita, Budi Untari, and Nurlisa Hidayati. "Chitosan-CuO Nanoparticles as Antibacterial Shigella dysenteriae: Synthesis, Characterization, and In Vitro Study." Jurnal Kimia Sains dan Aplikasi 23, no. 12 (2021): 432–39. http://dx.doi.org/10.14710/jksa.23.12.432-439.

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The synthesis of chitosan- CuO nanoparticles was studied. This research’s aims were biosynthesis CuO nanoparticles, synthesis of chitosan-CuO nanoparticles, and used as an antibacterial agent of Shigella dysenteriae. CuO nanoparticles and chitosan-CuO nanoparticles were characterized by FTIR spectroscopy and X-ray diffraction, respectively. CuO nanoparticle was synthesized by the reaction between leaf extract of sweet star fruit (Averrhoa carambola L.) and copper sulfate pentahydrate. Chitosan-CuO nanoparticles were synthesized by a heating method. The suspension of chitosan-CuO nanoparticles
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Hamouda, Ragaa A., Mada A. Alharthi, Amenah S. Alotaibi, Asma Massad Alenzi, Doha A. Albalawi, and Rabab R. Makharita. "Biogenic Nanoparticles Silver and Copper and Their Composites Derived from Marine Alga Ulva lactuca: Insight into the Characterizations, Antibacterial Activity, and Anti-Biofilm Formation." Molecules 28, no. 17 (2023): 6324. http://dx.doi.org/10.3390/molecules28176324.

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Bacterial pathogens cause pain and death, add significantly to the expense of healthcare globally, and pose a serious concern in many aspects of daily life. Additionally, they raise significant issues in other industries, including pharmaceuticals, clothing, and food packaging. Due to their unique properties, a great deal of attention has been given to biogenic metal nanoparticles, nanocomposites, and their applications against pathogenic bacteria. This study is focused on biogenic silver and copper nanoparticles and their composites (UL/Ag2 O-NPS, Ul/CuO-NPs, and Ul/Ag/Cu-NCMs) produced by th
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Sano, Akihiro, Mikio Eto, and Hiroshi Kamimura. "I. First Principles Cluster Calculations for the Electronic Structures of CuO7 Octahedron and CuO5 Pyramid." International Journal of Modern Physics B 11, no. 32 (1997): 3733–50. http://dx.doi.org/10.1142/s021797929700191x.

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In this paper we first describe the multi-configuration self-consistent field method with configuration interaction (MCSCF-CI) which is a variational method most suitable for strongly-correlated cluster systems. Then the calculated results of CuO 6 cluster embedded in hole-doped La 2-x Sr x CuO 4 and of CuO 4 cluster in the electron-doped Nd 2-x Ce x CuO 4 are reviewed. Finally the calculated results on the electronic structure of CuO 5 pyramid embedded in the insulating YBa 2 Cu 3 O 6 and superconducting YBa2Cu3O7 are newly presented. In the latter case we will clarify an important role of th
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Dissertations / Theses on the topic "CuO-Cu₂O"

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Singer, Philip Morgan 1973. "¹⁷O and ⁶³Cu nuclear resonance study of the inhomogeneous electronic state in La₂₋x̳Srx̳CuO₄." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/29313.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, February 2003.<br>In title on t.p., double-underscored "x" appears as subscript.<br>Includes bibliographical references (p. 138-144).<br>by Philip Morgan Singer.<br>Ph.D.
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Park, Jung-Chul. "Oxydation électrochimique d'oxydes en milieu alcalin : application aux matériaux supraconducteurs La₂CuO₄ et YBa₂Cu₃O₇-δ". Bordeaux 1, 1990. http://www.theses.fr/1990BOR10630.

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L'OXYDATION ELECTROCHIMIQUE EN MILIEU ALCALIN EST DECRITE COMME NOUVELLE VOIE DE PREPARATION D'OXYDES SUPRACONDUCTEURS PAR CHIMIE DOUCE, A TEMPERATURE AMBIANTE. CETTE METHODE A ETE APPLIQUEE PLUS SPECIALEMENT AUX DEUX OXYDES CONSIDERES COMME MODELES, La₂CuO₄ et YBa₂Cu₃O7-δ. DANS LE CAS DE La₂CuO₄, NOUS AVONS PU PREPARER PAR INTERCALATION DE L'OXYGENE DANS LE RESEAU CRISTALLIN, UNE PHASE SURSTCHIOMETRIQUE EN OXYGENE#1, DE COMPOSITION La₂CuO₄. O₇. LES PROPRIETES PHYSIQUES DE CE MATERIAU TOUT-A-FAIT REMARQUABLES SONT CARACTERISTIQUES D'UN PRODUIT MONOPHASE CONDUCTEUR METALLIQUE, PUIS SUPRACONDUCT
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Pesetski, Aaron A. "Experimental study of the inductance of pinned vortices in YBa?Cu?O?-? and La?.??Sr?.??CuO? superconducting thin films /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488202678772565.

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Mottershead, Jeffrey Daniel. "Angle-resolved photoemission spectroscopy studies of Tl₂Ba₂CuO₆+δ and YBa₂Cu₃O₇-δ : analysis of recent results and the construction of a new system". Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/39895.

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Recent angle-resolved photoemission spectroscopy (ARPES) results, from experiments performed at the Swiss Light Source, Stanford Synchrotron Radiation Lightsource, and Advanced Light Source synchrotrons, on the high-temperature superconductors Tl₂Ba₂CuO₆+δ (Tl2201) and YBa₂Cu₃O (YBCO₆.₅) are presented. An overdoped Tl2201 sample with a TC of 30K was found to have a Fermi surface, consisting of a large hole pocket centred at (Pi ,Pi ), which is approaching a topological transition. A superconducting gap consistent with a dχ₂−y₂ order parameter was detected. In contrast with the underdoped HTSCs
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Ibn, Mahrsi Mouna. "Nanohybrides ZnO/Ag ou ZnO/oxyde de cuivre pour applications photocatalytiques." Electronic Thesis or Diss., Université de Lorraine, 2024. http://www.theses.fr/2024LORR0044.

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La croissance rapide de la population ainsi que l'industrialisation ont suscité des inquiétudes majeures quant à la disponibilité de l'énergie et à la pollution de l'environnement. La résolution de ces problèmes est au cœur de nombreuses recherches à l'échelle mondiale. L'énergie solaire, en tant que source d'énergie propre et pratiquement inépuisable, devrait être efficacement exploitée, notamment via des processus photocatalytiques, pour améliorer la dépollution environnementale. Les nanomatériaux hybrides, tels que ZnO/métal noble et ZnO/oxydes métalliques, se positionnent comme des candida
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Neubeck, Wolfgang. "Etude des propriétés magnétiques et électroniques des oxydes de métaux de transition MnO, CoO, NiO et CuO par diffraction magnétique de rayons X." Université Joseph Fourier (Grenoble), 2000. http://www.theses.fr/2000GRE10216.

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Ce travail de these presente les resultats d'experiences de diffraction magnetique obtenus sur des oxydes de metaux de transition : mno, coo, nio et cuo. La diffraction magnetique de rayons x non-resonante est une sonde experimentale unique, qui permet la separation des contributions du spin et du moment orbital a la densite totale d'aimantation. Nos resultats experimentaux montrent des moments orbitaux non-nuls dans coo (l/s=0. 95), nio (l/s=0. 34) et cuo (l/s=0. 18). Uniquement dans le cas de mno le moment orbital est nul. En fait, les interactions spin-orbite peuvent retablir partiellement
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CHEN, JIAN-REN, та 陳建任. "BiO-(Ca, Sr)O-CuO 850 C 擬三元等溫相圖及Pb添加與Ca/Sr 比變化對Bi Ca Sr Cu O 超導相生成之影響". Thesis, 1989. http://ndltd.ncl.edu.tw/handle/42770729894669402581.

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Books on the topic "CuO-Cu₂O"

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Roessli, Bertrand. Etude des composés HoBa₂Cu₃O[subscript 6+x], RBA₂Cu₄O₈ (R=Ho, Dy), Bi₂CuO₄ et CuGeO₃ par diffusion des neutrons. 1994.

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Pinkpank, Markus. Rare earth magnetism in cuprates: Muon spin rotation studies on GdBa₂Cu₃O₆[subscript +x], HoBa₂Cu₃O₆[subscript +x] and Nd₁.₄Ce₀.₂Sr₀.₄CuO₄[-sigma]. 2000.

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Mangelschots, Iris. Studies in high-T[subscript c] superconductors: I. Defect structure in Nd₁.₈₅Ce₀.₁₅CuO[subscript 4±y] single crystals; II. O and Cu NMR/NWR in YBa₂Cu₄O₈. 1993.

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Book chapters on the topic "CuO-Cu₂O"

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Salomie, Dana, Codruta Pavel, and Radu Mureşan. "The Elaboration of Composite Materials from the Cu-Al2O3 System Using CuO and Al2O3 Powders." In Materials and Technologies. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-460-x.83.

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Devesa, Susana. "Comparative Overview of Metal Oxide Nanoparticle Synthesis Methods: Conventional Sol-Gel Versus Green Approaches." In Sol-Gel - A Versatile and Wide Technology [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1008457.

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Nanoparticles are fundamental in nanotechnology, with their applications expanding rapidly due to their unique optical, chemical, electrical, and mechanical properties. Metal oxide nanoparticles are widely studied due to the abundance of their natural precursors, environmental friendliness, affordability, and favorable electrical and optical properties. In some cases, they also exhibit chemical stability. Recent advances in synthesis methods, particularly the sol-gel technique, have enabled precise control over nanoparticle size and shape, offering benefits such as simplicity, low cost, and lo
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F. Piñón-Espitia, Manuel, Guillermo M. Herrera-Pérez, and Matha T. Ochoa-Lara. "Electronic and Magnetic Contribution for CuO and CuO Nanofibers Doped with Mn at 3.0%." In Electrospinning - Theory, Applications, and Update Challenges [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.112897.

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The copper (II) oxide nanofibers (NFs) synthesized with the electrospinning method showed a necklace-like morphology and nanometric size. The use of the XPS (X-ray Photoelectronic Spectroscopy) technique allowed the analysis of the Cu 2p and O 1s orbitals showing a CuxO type stoichiometry (x = 1, 2, 3), in turn, the UPS (Ultraviolet Photoelectronic Spectroscopy) region determined the conduction state associated to the dielectric function. These data are compared with the EELS technique. The NFs have presented a behavior with double magnetic phase associated to the non-stoichiometry and oxygen
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Conference papers on the topic "CuO-Cu₂O"

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Nazpal, Rajat, Maxim Chiriac, Masaya Sugihara, et al. "Sensory Properties of CuO/Cu2O Nanostructures Coated with Zeolitic Imidazolate Frameworks." In 2024 E-Health and Bioengineering Conference (EHB). IEEE, 2024. https://doi.org/10.1109/ehb64556.2024.10805729.

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Lin, Hsien-Sheng, Zong-Zhi Lin, Shih-Chiang Lin, Yen-Huai Ma, Yu-Jen Chen, and Che-Wei Lin. "Synthesizing the CuO-Cu2O Film by Using the One-Step Electrochemical Method for the Biosensor with IoT Function." In 2024 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM). IEEE, 2024. http://dx.doi.org/10.1109/iwem59914.2024.10649395.

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Tomar, Laxmi J., Rahul K. Desai, and Bishwajit S. Chakrabarty. "Study of optical properties of hydrothermally synthesized Cu∕Cu[sub 2]O∕CuO nanocrystals." In PROCEEDING OF INTERNATIONAL CONFERENCE ON RECENT TRENDS IN APPLIED PHYSICS AND MATERIAL SCIENCE: RAM 2013. AIP, 2013. http://dx.doi.org/10.1063/1.4810192.

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Ullrich, B., I. Kulac, H. Pint, G. Leising, and H. Kahlert. "Investigation of the optical properties of metallic and nonmetallic Y-Ba-Cu-O compounds." In OSA Annual Meeting. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.fh1.

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The research on Y-Ba-Cu-O compounds has advanced tremendously since the discovery of high-T c superconductivity in 1986. First of all, the complete comprehension of the mechanism of superconductivity is of current interest. To date, the phenomenon of high-T c superconductivity in Y-Ba-Cu-O compounds cannot be understood by a consistent theory. Depending on the oxygen concentration in YBa2Cu3O7- x ′ one must distinguish between the metallic (0 ≤ x ≤ 0.5) and the semiconducting (0.6 ≤ x ≤ 1) states. Both phases were prepared a) by magnetron sputtering on SrTiO3 or sapphire substrates, resulting
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Aboudihab, I., Alain Gilabert, Alain Azema, Jean-Claude Roustan, Michael Schwerdtfeger, and Jean-Claude Villegier. "Bolometric photoresponse of superconducting YBa 2 Cu 3 O 7-x /La 2 CuO 4 multilayers to infrared radiation." In OE/LASE '94, edited by Michael Nahum and Jean-Claude Villegier. SPIE, 1994. http://dx.doi.org/10.1117/12.176148.

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Gallo, S., J. Barnett, D. Rao, et al. "Role of Cu-O planes on the magnetic and electric properties of Gd/sub 2/CuO./sub 4/ single crystals." In International Magnetics Conference. IEEE, 1989. http://dx.doi.org/10.1109/intmag.1989.690045.

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Egami, T., R. J. McQueeney, Y. Petrov, M. Yethiraj, G. Shirane, and Y. Endoh. "Low temperature anomaly of LO phonons in La[sub 1.85]Sr[sub 0.15]CuO[sub 4] and YBa[sub 2]Cu[sub 3]O[sub 7]." In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59621.

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Niedermayer, Ch, T. Blasius, C. Bernhard, A. Golnik, A. Moodenbaugh, and J. I. Budnick. "Hole doping dependence of the antiferromagnetic correlations in La[sub 2−x]Sr[sub x]CuO[sub 4] and Y[sub 1−x]Ca[sub x]Ba[sub 2]Cu[sub 3]O[sub 6]." In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59630.

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Reports on the topic "CuO-Cu₂O"

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Lindroos, M., A. Bansil, K. Gofron, et al. Signature of the CuO{sub 2} plane related bands in YBa{sub 2}Cu{sub 3}O{sub 6.9} as seen by angle-resolved photoemission. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10158490.

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Egami, T., Y. Petrov, R. J. McQueeney, M. Yethiraj, G. Shirane, and Y. Endoh. Low temperature anomaly of LO phonons in La{sub 1.85}Sr{sub 0.15}CuO{sub 4} and YBa{sub 2}Cu{sub 3}O{sub 7}. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/334198.

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Whangbo, Myung-Hwan, M. Evain, E. Canadell, and J. M. Williams. Linear electron-hole-electron pair model of high-temperature superconductivity in La sub 2-x M sub x CuO sub 4 and YBa sub 2 Cu sub 3 O sub 7-y : 2, Dependence of the superconducting transition temperatures on pressure and on hole concentration. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5469409.

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