Search results for: J. Nogués

Items from 1 to 20 out of 43 results

article

International Trade: What Everyone Needs to Know, Anne O. Krueger, Oxford University Press, 2020, Pp. 339 + xvii, ISBN‐13 978 0190900458, ISBN‐10 0190900458

Julio J. Nogues

Asian‐Pacific Economic Literature > 35 > 2 > 165 - 171

chapter

Tri-segmented magnetic nanowires with antiparallel alignment: Suitable platforms for biomedical applications with minimized agglomeration?

J. Sort, J. Zhang, S. Agramunt, N. Del-Valle, more

2017 IEEE International Magnetics Conference (INTERMAG) > 1

2017 IEEE International Magnetics Conference (INTERMAG)

Materials structured in the form of one-dimensional nanoarchitectures, such as nanorods and nanowires (NWs), have found widespread applications in several technological areas, such as optoelectronics, magnetism, catalysis, piezo- and thermo-electricity, biosensing, or micro-/nanoelectromechanical systems (MEMS/NEMS), among others.

article

PO-058: Nasopharingeal carcinoma treated with intensity modulated radiotherapy in an non–endemic area.

A. Lozano, A. Navarro, H. Letelier, S. Vazquez, more

Radiotherapy and Oncology > 2017 > 122 > S1 > 29-30

chapter

Argentina

Julio J. Nogués

The World Trade Organization: Legal, Economic and Political Analysis > Country Reports > 2379-2403

After decades of being marginal players in the multilateral trade negotiations, developing countries, including Argentina, decided to participate actively in the Uruguay Round. The main purpose of this chapter is to measure the imbalance between the concessions given and those received by Argentina in these negotiations. I conclude that the value of the concessions given has been far greater than...

article

Residual neck disease management in squamous-cell carcinoma of the head and neck treated with radiotherapy plus cetuximab

R. Montal, M. Oliva, M. Taberna, L. Avila, more

Clinical and Translational Oncology > 2016 > 18 > 11 > 1140-1146

Purpose Management of residual neck disease (RND) is one of the unsolved points after bio-radiotherapy (BRT) in loco-regional advanced squamous-cell carcinoma of the head and neck (SCCHN). The aims of the study were to characterize the radiological pattern of response by computed tomography (CT) and to assess the role of positron-emission tomography (PET)/CT in this setting for a better decision-making...

article

OC-019: Salvage surgery after head and neck squamous cell carcinoma treated with bioradiotherapy

A. Rovira Casas, J. Tornero, M. Oliva, M. Taberna, more

Radiotherapy and Oncology > 2015 > 114 > Supplement 1 > 14

article

Survivorship

M. Taberna, C. Hierro, S. Vázquez, V. Navarro, more

International Journal of Radiation Oncology, Biology, Physics > 2014 > 88 > 2 > 531-532

article

Calculation of viscosity–temperature curves for glass obtained from four wastewater treatment plants in Egypt

M. Garcia-Valles, H. S. Hafez, I. Cruz-Matías, E. Vergés, more

Journal of Thermal Analysis and Calorimetry > 2013 > 111 > 1 > 107-114

This article establishes the relationship between the chemical composition, temperature and viscosity of glasses obtained from the four sludge treatment plants of urban and industrial wastewater from the Nile Delta in Egypt. In order to determine the working conditions of these glasses and their growth temperature, different techniques have been used: differential thermal analysis, hot stage microscopy...

article

Mesoscopic Model for the Simulation of Large Arrays of Bi‐Magnetic Core/Shell Nanoparticles

G. Margaris, K. N. Trohidou, J. Nogués

Advanced Materials > 24 > 31 > 4331 - 4336

A mesoscopic approach to simulate large arrays of core/shell nanoparticles based on the reduction of the number of simulated spins is presented. The model is used to simulate arrays of Co/CoO nanoparticles with different nanoparticle densities.

article

Recent developments on the South American monsoon system

J. A. Marengo, B. Liebmann, A. M. Grimm, V. Misra, more

International Journal of Climatology > 32 > 1 > 1 - 21

This paper reviews recent progress made in our understanding of the functioning and variability of the South American Monsoon System (SAMS) on time scales varying from synoptic to long‐term variability and climate change. The SAMS contains one of the most prominent summertime climate patterns in South America, featuring a strong seasonal variability in a region lying between the Amazon and the La...

article

Distinguishing the core from the shell in MnOx/MnOy and FeOx/MnOx core/shell nanoparticles through quantitative electron energy loss spectroscopy (EELS) analysis

S. Estradé, Ll. Yedra, A. López-Ortega, M. Estrader, more

Micron > 2012 > 43 > 1 > 30-36

The structural and chemical characterization of inverted bi-magnetic MnO _x (antiferromagnetic)/MnO _y (ferrimagnetic) and FeO _x (soft-ferrimagnetic)/MnO _x (hard-ferrimagnetic) core/shell nanoparticles has been carried out by means of scanning transmission electron microscopy with electron energy loss spectroscopy analysis, (S)TEM-EELS. Quantitative EELS was applied to...

article

Graded Anisotropy FePtCu Films

R K Dumas, Chaolin Zha, Yeyu Fang, V Bonanni, more

IEEE Transactions on Magnetics > 2011 > 47 > 6-1 > 1580 - 1586

The fabrication and subsequent analysis of continuously graded anisotropy films are discussed. During deposition, a compositional gradient is first achieved by varying the Cu concentration from Cu-rich (Fe₅₃Pt₄₇)₇₀Cu₃₀ to Cu-free Fe₅₃Pt₄₇. The anisotropy gradient is then realized after thermal post-annealing, and by utilizing the strong composition dependence of the low-anisotropy (A1) to high-anisotropy...

article

Role of the oxygen partial pressure in the formation of composite Co-CoO nanoparticles by reactive aggregation

J. A. Toro, J. P. Andrés, J. A. González, J. M. Riveiro, more

Journal of Nanoparticle Research > 2011 > 13 > 10 > 4583-4590

The magnetic properties of diluted films composed of nanocomposite Co-CoO nanoparticles (of ~8 nm diameter) dispersed in a Cu matrix have been investigated. The nanoparticles were formed in an aggregation chamber by sputtering at different Ar/O₂ partial pressures (0–0.015). The exchange-bias properties appear to be insensitive to the amount of O₂ during their formation. However, the temperature dependence...

article

Size-dependent magnetic behavior and spin-wave gap in MnF2 epitaxial films with orthorhombic crystal structure

I.V. Golosovsky, N.S. Sokolov, A. Gukasov, A. Bataille, more

Journal of Magnetism and Magnetic Materials > 2010 > 322 > 6 > 664-667

The results of elastic and inelastic neutron scattering in MnF2 films with orthorhombic crystal structure demonstrate that size-effect for the temperature of the magnetic transition appears for rather thick films 120–1250nm. This is attributed to the low anisotropy energy in the films inferred from the spin-wave gap.

article

Pseudo Spin Valves Using a (1 1 2)-Textured D0 $_{22}$ Mn $_{2.3-2.4}$ Ga Fixed Layer

C.L. Zha, R.K. Dumas, J. Persson, S.M. Mohseni, more

IEEE Magnetics Letters > 2010 > 1 > 2500104

We demonstrate pseudo spin valves (PSVs) with a (112)-textured D0₂₂ Mn_2.3-2.4Ga (MnGa) tilted magnetization fixed layer and an in-plane CoFe free layer. Single D0₂₂ MnGa films exhibit a small magnetoresistance (MR) typically observed in metals. In MnGa/Cu/CoFe PSVs, a transition from a negative (-0.08%) to positive (3.88%) MR is realized by introducing a thin spin polarizing CoFe insertion layer at...

article

Exchange Bias in $L1_0$ (111)-Oriented FePt-Based Pseudo Spin Valves

C.L. Zha, J. Nogues, J. Akerman

IEEE Transactions on Magnetics > 2009 > 45 > 10 > 3881 - 3884

The coupling between hard FePt and soft NiFe layers through a Cu interlayer has been studied in L1₀ (111) FePt(20)/CoFe(1.5)/Cu(3.5 or 4.5)/CoFe(2)/NiFe(3) (in nanometers) pseudo spin valves. The soft-layer hysteresis loops exhibit clear shifts in the field axis (exchange-bias-like) and a marked coercivity enhancement. It is found that several parameters such as the thickness of the Cu layer or the...

article

Patterning of magnetic structures on austenitic stainless steel by local ion beam nitriding

E. Menéndez, A. Martinavicius, M.O. Liedke, G. Abrasonis, more

Acta Materialia > 2008 > 56 > 17 > 4570-4576

Periodic arrays of ferromagnetic structures with micrometer and submicrometer lateral sizes have been prepared at the surface of a paramagnetic austenitic stainless steel by means of ion beam nitriding through different types of shadow masks (such as transmission electron microscopy grids or self-assembled porous alumina membranes). This method takes advantage of the formation of the ferromagnetic...

article

Exchange-Biased Magnetic Vortices

A. Hoffmann, J. Sort, K.S. Buchanan, J. Nogues

IEEE Transactions on Magnetics > 2008 > 44 > 7-2 > 1968 - 1973

This paper reviews our work on the interplay between exchange bias due to the coupling of a ferromagnet to an antiferromagnet and the formation of magnetic vortices, which occur due to the patterning of a ferromagnet. Depending on the thermal and magnetic history, a variety of different effects can be observed. Thermal annealing in a saturating magnetic field establishes a spatially homogeneous exchange...

article

A regional soil survey approach for upgrading from flood to sprinkler irrigation in a semi-arid environment

J. Herrero, D.A. Robinson, J. Nogués

Agricultural Water Management > 2007 > 93 > 3 > 145-152

Increasing pressure on water resources in Spain is forcing farmers to move from flood to pressurized water application. Initial recommendations for this upgrading require soil survey information, especially in areas prone to soil salinity. In this article a 3158ha soil survey at a scale of 1:25,000 is presented. Soil series are split in phases based on the texture of the surface layer, slope, and...

article

Cold compaction of metal–ceramic (ferromagnetic–antiferromagnetic) composites using high pressure torsion

E. Menéndez, J. Sort, V. Langlais, A. Zhilyaev, more

Journal of Alloys and Compounds > 2007 > 434-435 > Complete > 505-508

Metal–ceramic powder mixtures consisting of Co (ferromagnetic) and NiO (antiferromagnetic), at the 1:1 weight ratio, have been compacted by high pressure torsion (HPT) both with and without a prior ball milling (BM) process. The compaction causes a strong reduction of the crystallite sizes, introduces large amounts of stacking faults in the metal and induces a phase transformation from the fcc to...

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INFONA - science communication portal

Search results for: J. Nogués

International Trade: What Everyone Needs to Know, Anne O. Krueger, Oxford University Press, 2020, Pp. 339 + xvii, ISBN‐13 978 0190900458, ISBN‐10 0190900458

Tri-segmented magnetic nanowires with antiparallel alignment: Suitable platforms for biomedical applications with minimized agglomeration?

PO-058: Nasopharingeal carcinoma treated with intensity modulated radiotherapy in an non–endemic area.

Argentina

Residual neck disease management in squamous-cell carcinoma of the head and neck treated with radiotherapy plus cetuximab

OC-019: Salvage surgery after head and neck squamous cell carcinoma treated with bioradiotherapy

Survivorship

Calculation of viscosity–temperature curves for glass obtained from four wastewater treatment plants in Egypt

Mesoscopic Model for the Simulation of Large Arrays of Bi‐Magnetic Core/Shell Nanoparticles

Recent developments on the South American monsoon system

Distinguishing the core from the shell in MnOx/MnOy and FeOx/MnOx core/shell nanoparticles through quantitative electron energy loss spectroscopy (EELS) analysis

Graded Anisotropy FePtCu Films

Role of the oxygen partial pressure in the formation of composite Co-CoO nanoparticles by reactive aggregation

Size-dependent magnetic behavior and spin-wave gap in MnF2 epitaxial films with orthorhombic crystal structure

Pseudo Spin Valves Using a (1 1 2)-Textured D0 $_{22}$ Mn $_{2.3-2.4}$ Ga Fixed Layer

Exchange Bias in $L1_0$ (111)-Oriented FePt-Based Pseudo Spin Valves

Patterning of magnetic structures on austenitic stainless steel by local ion beam nitriding

Exchange-Biased Magnetic Vortices

A regional soil survey approach for upgrading from flood to sprinkler irrigation in a semi-arid environment

Cold compaction of metal–ceramic (ferromagnetic–antiferromagnetic) composites using high pressure torsion

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