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1. Investigation of a Dual-Layer Metasurface-Inspired Fractal Antenna with Dual-Polarized/-Modes for 4G/5G Applications

Author

Mohanty, A, Behera, BR, Esselle, KP, Alsharif, MH, Jahid, A, Mohsan, SAH, Mohanty, A, Behera, BR, Esselle, KP, Alsharif, MH, Jahid, A, and Mohsan, SAH

Abstract

In this research article, a dual-polarized compact bow-tie-shaped irregular fractal antenna with a dual metasurface (DMS) for directional radiation applications is designed using a dual-mode simple feeding mechanism. A short-circuited strip linked between the impedance transformation feed and the radiating patch activates the induced coupling modes, which are capacitive (C-mode) and inductive (L-mode), respectively. The C-mode antenna operates at 2.39–2.53 GHz, whereas the L-mode antenna operates at 2.88–4.49 GHz. It comprises a DMS positioned at 0.22 (Formula presented.) ∘ from the antenna with 0.016 (Formula presented.) ∘ separation and a 4 × 4 array of checkerboard type hole-injected tiny unit cells on each metasurface. A rectangular cavity-backed slot was employed as the ground plane to emulsify the reflected energy waves from the DMS, in order to start the coupling process with the boresight radiation, resulting in high gain and suppressed backward radiations. The gain in C-mode was 6.74 dBi, and the gain in L-mode was 7.7 dBi. For validation, a miniaturized metasurface antenna with the overall size of 0.32 (Formula presented.) ∘ × 0.32 (Formula presented.) ∘ × 0.22 (Formula presented.) ∘ (where (Formula presented.) ∘ is the free-space wavelength at 2.45 GHz) was fabricated and measured. The measured outcomes highlight its potential for 4G/5G wireless applications.

Published
2022

2. Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE) Conceptual Design Report, Volume 4 The DUNE Detectors at LBNF

Author

Acciarri, R, Acero, MA, Adamowski, M, Adams, C, Adamson, P, Adhikari, S, Ahmad, Z, Albright, CH, Alion, T, Amador, E, Anderson, J, Anderson, K, Andreopoulos, C, Andrews, M, Andrews, R, Anghel, I, Anjos, JD, Ankowski, A, Antonello, M, ArandaFernandez, A, Ariga, A, Ariga, T, Aristizabal, D, Arrieta-Diaz, E, Aryal, K, Asaadi, J, Asner, D, Athar, MS, Auger, M, Aurisano, A, Aushev, V, Autiero, D, Avila, M, Back, JJ, Bai, X, Baibussinov, B, Baird, M, Balantekin, AB, Baller, B, Ballett, P, Bambah, B, Bansal, M, Bansal, S, Barker, GJ, Barletta, WA, Barr, G, Barros, N, Bartoszek, L, Bashyal, A, Bass, M, Bay, F, Beacom, J, Behera, BR, Bellettini, G, Bellini, V, Beltramello, O, Benetti, PA, Bercellie, A, Bergevin, M, Berman, E, Berns, H, Bernstein, R, Bertolucci, S, Bhandari, B, Bhatnagar, V, Bhuyan, B, Bian, J, Biery, K, Bishai, M, Blackburn, T, Blake, A, Blaszczyk, FDM, Blaufuss, E, Bleakley, B, Blucher, E, Bocean, V, Boffelli, F, Boissevain, J, Bolognesi, S, Bolton, T, Bonesini, M, Boone, T, Booth, C, Bordoni, S, Borysova, M, Bourguille, B, Boyd, SB, Brailsford, D, Brandt, A, Bremer, J, Brice, S, Bromberg, C, Brooijmans, G, Brown, G, Brown, R, Brunetti, G, Bu, X, Buchanan, N, Budd, H, Bugg, B, Calafiura, P, Calligarich, E, Calvo, E, Camilleri, L, Campanelli, M, Cantini, C, Carls, B, Carr, R, Cascella, M, Castromonte, C, CatanoMur, E, Cavanna, F, Centro, S, CerveraVillanueva, A, Chandratre, VB, Chatterjee, A, Chattopadhyay, S, Chaussard, L, Chembra, S, Chen, H, Chen, K, Chen, M, Cherdack, D, Chi, C, Childress, S, Choubey, S, Choudhary, BC, Christodoulou, G, Christofferson, C, Church, E, Cianci, D, Cline, D, Coan, T, Cocco, A, Coelho, J, Cole, P, Collin, G, Conrad, JM, Convery, M, Corey, R, Corwin, L, Cranshaw, J, Crivelli, P, Cronin-Hennessy, D, Curioni, A, Cushing, J, Adams, DL, Dale, D, Das, SR, Davenne, T, Davies, GS, Davies, J, Dawson, J, De, K, deGouvea, A, deJong, JK, deJong, P, DeLurgio, P, Decowski, M, Delbart, A, Densham, C, Dharmapalan, R, Dhingra, N, DiLuise, S, Diamantopoulou, M, Diaz, JS, DiazBautista, G, Diwan, M, Djurcic, Z, Dolph, J, Drake, G, Duchesneau, D, Duvernois, M, Duyang, H, Dwyer, DA, Dye, S, Dytman, S, Eberly, B, Edgecock, R, Edmunds, D, Elliott, S, Elnimr, M, Emery, S, Endress, E, Eno, S, Ereditato, A, Escobar, CO, Evans, J, Falcone, A, Falk, L, Farbin, A, Farnese, C, Farzan, Y, Fava, A, Favilli, L, Felde, J, Felix, J, Fernandes, S, Fields, L, Finch, A, Fitton, M, Fleming, B, Forest, T, Fowler, J, Fox, W, Fried, J, Friedland, A, Fuess, S, Fujikawa, B, Gago, A, Gallagher, H, Galymov, S, Gamble, T, Gandhi, R, Garcia-Gamez, D, Gardiner, S, Garvey, G, Gehman, VM, Gendotti, A, Geronimo, GD, Ghag, C, Ghoshal, P, Gibin, D, Gil-Botella, I, Gill, R, Girardelli, D, Giri, A, Glavin, S, Goeldi, D, Golapinni, S, Gold, M, Gomes, RA, GomezCadenas, JJ, Goodman, MC, Gorbunov, D, Goswami, S, Graf, N, Graham, M, Gramelini, E, Gran, R, Grant, C, Grant, N, Greco, V, Greenlee, H, Greenler, L, Greenley, C, Groh, M, Grullon, S, Grundy, T, Grzelak, K, Guardincerri, E, Guarino, V, Guarnaccia, E, Guedes, GP, Guenette, R, Guglielmi, A, Habig, AT, Hackenburg, RW, Hackenburg, A, Hadavand, H, Haenni, R, Hahn, A, Haigh, MD, Haines, T, Hamernik, T, Handler, T, Hans, S, Harris, D, Hartnell, J, Hasegawa, T, Hatcher, R, Hatzikoutelis, A, Hays, S, Hazen, E, Headley, M, Heavey, A, Heeger, K, Heise, J, Hennessy, K, Hewes, J, Higuera, A, Hill, T, Himmel, A, Hogan, M, Holanda, P, Holin, A, Honey, W, Horikawa, S, Horton-Smith, G, Howard, B, Howell, J, Hurh, P, Huston, J, Hylen, J, Imlay, R, Insler, J, Introzzi, G, Ioanisyan, D, Ioannisian, A, Iwamoto, K, Izmaylov, A, Jackson, C, Jaffe, DE, James, C, James, E, Jediny, F, Jen, C, Jhingan, A, Jiménez, S, Jo, JH, Johnson, M, Johnson, R, Johnstone, J, Jones, BJ, Joshi, J, Jostlein, H, Jung, CK, Junk, T, Kaboth, A, Kadel, R, Kafka, T, Kalousis, L, Kamyshkov, Y, Karagiorgi, G, Karasavvas, D, Karyotakis, Y, Kaur, A, Kaur, P, Kayser, B, Kazaryan, N, Kearns, E, Keener, P, Kemboi, S, Kemp, E, Kettell, SH, Khabibullin, M, Khandaker, M, Khotjantsev, A, Kirby, B, Kirby, M, Klein, J, Kobilarcik, T, Kohn, S, Koizumi, G, Kopylov, A, Kordosky, M, Kormos, L, Kose, U, Kostelecky, A, Kramer, M, Kreslo, I, Kriske, R, Kropp, W, Kudenko, Y, Kudryavtsev, VA, Kulagin, S, Kumar, A, Kumar, G, Kumar, J, Kumar, L, Kutter, T, Laminack, A, Lande, K, Lane, C, Lang, K, Lanni, F, Learned, J, Lebrun, P, Lee, D, Lee, H, Lee, K, Lee, WM, LeiguideOliveira, MA, Li, Q, Li, S, Li, X, Li, Y, Li, Z, Libo, J, Lin, CS, Lin, S, Ling, J, Link, J, Liptak, Z, Lissauer, D, Littenberg, L, Littlejohn, B, Liu, Q, Liu, T, Lockwitz, S, Lockyer, N, Loew, T, Lokajicek, M, Long, K, Lopes, MDL, Lopez, JP, Losecco, J, Louis, W, Lowery, J, Luethi, M, Luk, K, Lundberg, B, Lundin, T, Luo, X, Lux, T, Lykken, J, Machado, AA, Macier, JR, Magill, S, Mahler, G, Mahn, K, Malek, M, Malhotra, S, Malon, D, Mammoliti, F, Mancina, S, Mandal, SK, Mandodi, S, Manly, SL, Mann, A, Marchionni, A, Marciano, W, Mariani, C, Maricic, J, Marino, A, Marshak, M, Marshall, C, Marshall, J, Marteau, J, Martin-Albo, J, Martinez, D, Matsuno, S, Matthews, J, Mauger, C, Mavrokoridis, K, Mayilyan, D, Mazzucato, E, McCauley, N, McCluskey, E, McConkey, N, McDonald, K, McFarland, KS, McGowan, AM, McGrew, C, McKeown, R, McNulty, D, McTaggart, R, Mefodiev, A, Mehrian, M, Mehta, P, Mei, D, Mena, O, Menary, S, Mendez, H, Menegolli, A, Meng, G, Meng, Y, Merritt, H, Mertins, D, Messier, M, Metcalf, W, Mewes, M, Meyer, H, Miao, T, Milincic, R, Miller, W, Mills, G, Mineev, O, Miranda, O, Mishra, CS, Mishra, SR, Mitrica, B, Mladenov, D, Mocioiu, I, Mohanta, R, Mokhov, N, Montanari, C, Montanari, D, Moon, J, Mooney, M, Moore, C, Morfin, J, Morgan, B, Morris, C, Morse, W, Moss, Z, Mossey, C, Moura, CA, Mousseau, J, Mualem, L, Muether, M, Mufson, S, Murphy, S, Musser, J, Musser, R, Nakajima, Y, Naples, D, Navarro, J, Navas, D, Nelson, J, Nessi, M, Newcomer, M, Ng, Y, Nichol, R, Nicholls, TC, Nikolics, K, Niner, E, Norris, B, Noto, F, Novakova, P, Novella, P, Nowak, J, Nunes, MS, O'Keeffe, H, Oldeman, R, Oliveira, R, Olson, T, Onishchuk, Y, Osta, J, Ovsjannikova, T, Page, B, Pakvasa, S, Pal, S, Palamara, O, Palazzo, A, Paley, J, Palomares, C, Pantic, E, Paolone, V, Papadimitriou, V, Park, J, Parke, S, Parsa, Z, Pascoli, S, Patterson, R, Patton, S, Patzak, T, Paulos, B, Paulucci, L, Pavlovic, Z, Pawloski, G, Peeters, S, Pennacchio, E, Perch, A, Perdue, GN, Periale, L, Perkin, JD, Pessard, H, Petrillo, G, Petti, R, Petukhov, A, Pietropaolo, F, Plunkett, R, Pordes, S, Potekhin, M, Potenza, R, Potukuchi, B, Poudyal, N, Prokofiev, O, Pruthi, N, Przewlocki, P, Pushka, D, Qian, X, Raaf, JL, Raboanary, R, Radeka, V, Radovic, A, Raffelt, G, Rakhno, I, Rakotondramanana, HT, Rakotondravohitra, L, Ramachers, YA, Rameika, R, Ramsey, J, Rappoldi, A, Raselli, G, Ratoff, P, Rebel, B, Regenfus, C, Reichenbacher, J, Reitzner, D, Remoto, A, Renshaw, A, Rescia, S, Richardson, M, Rielage, K, Riesselmann, K, Robinson, M, Rochester, L, Rodrigues, OB, Rodrigues, P, Roe, B, Rosen, M, Roser, RM, Ross-Lonergan, M, Rossella, M, Rubbia, A, Rubbia, C, Rucinski, R, RudolphvonRohr, C, Russell, B, Ruterbories, D, Saakyan, R, Sahu, N, Sala, P, Samios, N, Sanchez, F, Sanchez, M, Sands, B, Santana, S, Santorelli, R, Santucci, G, Saoulidou, N, Scaramelli, A, Schellman, H, Schlabach, P, Schmitt, R, Schmitz, D, Schneps, J, Scholberg, K, Schukraft, A, Schwehr, J, Segreto, E, Seibert, S, Sepulveda-Quiroz, JA, Sergiampietri, F, Sexton-Kennedy, L, Sgalaberna, D, Shaevitz, M, Shahi, J, Shahsavarani, S, Shanahan, P, Shankar, SU, Sharma, R, Sharma, RK, Shaw, T, Shrock, R, Shyrma, I, Simos, N, Sinev, G, Singh, I, Singh, J, Singh, V, Sinnis, G, Sippach, W, Smargianaki, D, Smy, M, Snider, E, Snopok, P, Sobczyk, J, Sobel, H, Soderberg, M, Solomey, N, Sondheim, W, Sorel, M, Sousa, A, Soustruznik, K, Spitz, J, Spooner, NJ, Stancari, M, Stancu, I, Stefan, D, Steiner, HM, Stewart, J, Stock, J, Stoica, S, Stone, J, Strait, J, Strait, M, Strauss, T, Striganov, S, Sulej, R, Sullivan, G, Sun, Y, Suter, L, Sutera, CM, Svoboda, R, Szczerbinska, B, Szelc, A, Söldner-Rembold, S, Talaga, R, Tamsett, M, Tariq, S, Tatar, E, Tayloe, R, Taylor, C, Taylor, D, Terao, K, Thiesse, M, Thomas, J, Thompson, LF, Thomson, M, Thorn, C, Thorpe, M, Tian, X, Tiedt, D, Timm, SC, Tonazzo, A, Tope, T, Topkar, A, Torres, FR, Torti, M, Tortola, M, Tortorici, F, Toups, M, Touramanis, C, Tripathi, M, Tropin, I, Tsai, Y, Tsang, KV, Tsenov, R, Tufanli, S, Tull, C, Turner, J, Tzanov, M, Tziaferi, E, Uchida, Y, Urheim, J, Usher, T, Vagins, M, Vahle, P, Valdiviesso, GA, Valerio, L, Vallari, Z, Valle, J, VanBerg, R, VandeWater, R, VanGemmeren, P, Varanini, F, Varner, G, Vasseur, G, Vaziri, K, Velev, G, Ventura, S, Verdugo, A, Viant, T, Vieira, TV, Vignoli, C, Vilela, C, Viren, B, Vrba, T, Wachala, T, Wahl, D, Wallbank, M, Walsh, N, Wang, B, Wang, H, Wang, L, Wang, T, Warburton, TK, Warner, D, Wascko, M, Waters, D, Watson, TB, Weber, A, Weber, M, Wei, W, Weinstein, A, Wells, D, Wenman, D, Wetstein, M, White, A, Whitehead, L, Whittington, D, Wilking, M, Willhite, J, Wilson, P, Wilson, RJ, Winslow, L, Wittich, P, Wojcicki, S, Wong, HH, Wood, K, Worcester, E, Worcester, M, Wu, S, Xin, T, Yanagisawa, C, Yang, S, Yang, T, Yarritu, K, Ye, J, Yeh, M, Yershov, N, Yonehara, K, Yu, B, Yu, J, Zalesak, J, Zalewska, A, Zamorano, B, Zang, L, Zani, A, Zavala, G, Zeller, G, Zhang, C, Zimmerman, ED, Zito, M, Zwaska, R, Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), DUNE, Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Observatoire de Paris, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)

Subjects
Condensed Matter::Soft Condensed Matter, High Energy Physics - Experiment (hep-ex), Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], FOS: Physical sciences, High Energy Physics::Experiment, Instrumentation and Detectors (physics.ins-det), Nonlinear Sciences::Pattern Formation and Solitons, Physics::Geophysics, High Energy Physics - Experiment
Abstract

A description of the proposed detector(s) for DUNE at LBNF

Published
2016

3. Collectivity in (41)S

Author

Wang, Zm, Chapman, R, Haas, F, Liang, X, Azaiez, F, Behera, Br, Burns, M, Corradi, L, Curien, D, Deacon, An, Dombradi, Z, Farnea, E, Fioretto, E, Gadea, A, Hodsdon, A, Ibrahim, F, Jungclaus, A, Keyes, K, Kumar, V, Latina, A, Marginean, N, Montagnoli, Giovanna, Napoli, Dr, Ollier, J, O'Donnell, D, Papenberg, A, Pollarolo, G, Salsac, Md, Scarlassara, Fernando, Smith, Jf, Spohr, Km, Stanoiu, M, Stefanini, Am, Szilner, S, Trotta, M, Verney, D., Département Recherches Subatomiques (DRS-IPHC), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Département de Physique Nucléaire (ex SPhN) (DPHN), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
binary grazing reactions, shell-model calculations, 41S, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Abstract

Yrast states in the neutron-rich 41S nucleus have been studied using binary grazing reactions produced by the interaction of a 215-MeV beam of 36S ions with a thin 208Pb target. The magnetic spectrometer, PRISMA, and the γ -ray array, CLARA, were used in the measurements. γ -ray transitions of energy 449 and 638 keV were observed. Results from published intermediate-energy Coulomb excitation measurements in combination with those from the present work have led to the construction of a new 41S level scheme. Proposed J π values are based on experimental observation and on model-dependent arguments. The level scheme and published electromagnetic transition probabilities are discussed within the context of state-of-art shell-model calculations using the SDPF-U effective interaction. In contrast with the excellent agreement observed in earlier published work, here there are significant discrepancies between experiment and the results of shell-model calculations.

Published
2011
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4. Molecular resonances and the Jacobi shape transition in 48Cr

Author

Salsac, M-D, primary, Haas, F, additional, Courtin, S, additional, Algora, A, additional, Beck, C, additional, Beghini, S, additional, Behera, Br, additional, Chapman, R, additional, Corradi, L, additional, Dombradi, Z, additional, Farnea, E, additional, Fioretto, E, additional, Gadea, A, additional, Jenkins, D G, additional, Latina, A, additional, Lebhertz, D, additional, Lenzi, S, additional, Liang, X, additional, Marginean, N, additional, Montagnoli, G, additional, Napoli, D, additional, Papka, P, additional, Pokrovski, I, additional, Pollarolo, G, additional, Rousseau, M, additional, Sahin, E, additional, Sanchez, A, additional, Zafra, I, additional, Scarlassara, F, additional, Sohler, D, additional, Stefanini, A M, additional, Szilner, S, additional, Trotta, M, additional, Ur, C, additional, Vedova, F D, additional, Wang, Z M, additional, and Wiedemann, K T, additional

Published
2008
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5. Experimental and in silico insights: interaction of dimethyl sulphoxide with 1-hexyl-2-methyl imidazolium bromide/1-octyl-2-methyl imidazolium bromide at different temperatures.

Author

Panda I, Behera BR, Jena D, Behera SK, Samal SK, and Pradhan S

Abstract

Ionic liquids have gained attention as 'designer solvents' since they offer a broad spectrum of properties that can be tuned by altering the constituent ions. In this work, 1-alkyl-2-methyl imidazolium-based ionic liquids with two different alkyl chains (alkyl = hexyl and octyl) have been synthesized and characterized. Since the binary mixture of ionic liquids with molecular solvents can give rise to striking physicochemical properties, the interaction of the synthesized room temperature ionic liquids, 1-hexyl-2-methyl imidazolium bromide [HMIM][Br]/1-octyl-2-methyl imidazolium bromide [OMIM][Br] with DMSO has been examined through density and specific conductance at T = (303.15, 308.15, 313.15 and 318.15) K under atmospheric pressure. The obtained molar volume and excess molar volume are fitted to the Redlich-Kister polynomial equation, and the standard deviation is noted. The positive excess molar volume at elevated temperatures indicates volume expansion due to the mutual loss of dipolar association and differences in the sizes and shapes of the constituent molecules. To have a better understanding of the reactivity and efficacy of 1-hexyl-2-methyl imidazolium bromide and 1-octyl-2-methyl imidazolium bromide with DMSO, the Becke, 3-parameter, Lee-Yang-Parr (B3LYP) correlation function of density functional theory (DFT) has been used. The ORCA Program version 4.0 calculates the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy. The effective reactivities of both the compounds that showed an energy band gap (Δ E ), i.e. , the difference between E LUMO and E HOMO , are 7.147 and 8.037 kcal mol -1 ., Competing Interests: The authors have no conflicts of interest to declare., (This journal is © The Royal Society of Chemistry.)

Published
2024
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6. Investigation of a Circularly Polarized Metasurface Antenna for Hybrid Wireless Applications.

Author

Behera BR, Alsharif MH, and Jahid A

Abstract

The increasing prevalence of the Internet of Things (IoT) as the primary networking infrastructure in a future society, driven by a strong focus on sustainability and data, is noteworthy. A significant concern associated with the widespread use of Internet of Things (IoT) devices is the insufficient availability of viable strategies for effectively sustaining their power supply and ensuring their uninterrupted functionality. The ability of RF energy-harvesting systems to externally replenish batteries serves as a primary driver for the development of these technologies. To effectively mitigate concerns related to wireless technology, it is imperative to adhere strictly to the mandated limitations on electromagnetic field emissions. A TA broadband polarization-reconfigurable Y-shaped monopole antenna that is improved with a SADEA-tuned smart metasurface is one technique that has been proposed in order to accomplish this goal. A Y-shaped printed monopole antenna is first taken into consideration. To comprehend the process of polarization reconfigurability transitioning from linear to circular polarization (CP), a BAR 50-02 V RF PIN Diode is employed to shorten one of the parasitic conducting strips to the ground plane. A SADEA-driven metasurface, which utilizes the artificial intelligence-driven surrogate model-assisted differential evolution for antenna synthesis, is devised and positioned beneath the radiator to optimize performance trade-offs while increasing the antenna's gain and bandwidth. The ultimate prototype achieves the following: an impedance bandwidth of 2.58 GHz (3.27-5.85 GHz, 48.45%); an axial bandwidth of 1.25 GHz (4.19-5.44 GHz, 25.96%); a peak gain exceeding 8.45 dBic; and when a highly efficient rectifier is integrated, the maximum RF-DC conversion efficiency of 73.82% and DC output of 5.44 V are obtained. Based on the results mentioned earlier, it is considered appropriate to supply power to intelligent sensors and reduce reliance on batteries via RF energy-harvesting mechanisms implemented in hybrid wireless applications.

Published
2023
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7. Investigation of a Miniaturized Four-Element Antenna Integrated with Dipole Elements and Meta-Couplers for 5G Applications.

Author

Mohanty A, Behera BR, Nasimuddin N, Alsharif MH, Uthansakul P, and Mohsan SAH

Abstract

A miniaturized four-element antenna of 20 mm × 20 mm with edge-to-edge distance of 4.9 mm between the array antennas operating from 4.6−8.6 GHz is investigated in this article. The antenna consists of 4 × integrated dipole driven elements, and complementary split ring resonator (CSRR) metacells are loaded on the both sides of each dipole arms. The loaded meta-couplers magnetically couple to dipole drivers, and the induced resonance effect improves the 10-dB impedance bandwidth (IBW) to 60.6%. To improvise the isolation between antenna elements, metallic vias are implemented that trap electromagnetic (EM)-surface waves to condense into the ground. So, the meta-couplers induce electromagnetic (EM)-propagation as surface wave trapments for radiation and decouple near-field condensed currents, acting as couplers/decouplers. The maximum isolation achieved is >−22.5 dB without any external decoupling network. The diversity parameters indicate good attributes in isotropic, indoor, and outdoor channel environments with an envelope correlation coefficient (ECC) < 0.165 and realized gain of 5.5 dBi with average radiation efficiency of 80−90% in the desired operating bands. An equivalent circuit model using lumped components is designed for the proposed four-element antenna. For validation, a prototype antenna is fabricated and measured to be implemented in 5G applications, which shows good correlation with the full-wave simulated results.

Published
2022
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8. Giant Anterior Fontanel Encephalocoele: A Rare Case Report and Review of Literature.

Author

Behera BR, Mishra S, Dhir MK, Biswal J, and Bhujabal SN

Abstract

An encephalocoele is a spectrum of cranial dysraphism caused due to defective closure of neural tube during early embryonic life, leading to formation of a cerebrospinal fluid (CSF)-filled sac containing brain tissue and meninges, all herniated through a bony defect of the skull. Anterior encephalocoeles, though rare in the Western world, are relatively common in southeast Asia, including some parts of India. Among anterior encephalocoeles, fronto-ethmoidal type is the most common followed by orbital encephalocoeles. Giant encephalocoeles are rare with few published short series, which are mostly located in occipital region. Giant interfrontal encephalocoele through a wide anterior fontanel is the rarest one and is limited to three case reports, including this index case. Here we report a case of giant anterior fontanel encephalocoele in a 20-day-old neonate and discuss various aspects of its management., Competing Interests: There are no conflicts of interest., (Copyright: © 2020 Journal of Pediatric Neurosciences.)

Published
2020
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9. Contrecoup Extradural Hematoma with Coronal Suture Diastasis.

Author

Nath PC, Mishra SS, Dhir MK, Deo RC, Behera BR, and Rout SK

Abstract

Extradural hematoma (EDH) generally occurs in the site of impact, that is, coup injury site. EDH is associated with fracture of skull in many a times due to direct impact. However, EDH in counter coup site is a rare occurrence. Hardly, yet, 12 cases have been reported including this case. Here, we reported a case of a 22-year-old male of contrecoup acute EDH who had sustained head injury due to fall from bike. Physical examination revealed direct impact at the left occipito-parietal region with laceration of scalp and bruise with transient loss of consciousness at the time of injury. There was no evidence of impact on the right side of his head. Computed tomography scan revealed an EDH in the right fronto-temporal region without any bone fracture on bone windows. On intraoperative exploration, it is found that there was coronal suture diastasis with small subgaleal hematoma and right fronto-temporal extradural hematoma. The evacuation of EDH was done. The patient discharged on 3 rd postoperative day. It can be concluded that direct impact on head causes exactly opposite hit of brain, and compensatory rebound causes a negative pressure in between the layers causing disruption of vessels and potential accumulation of blood. This mechanism mostly favors for acute subdural hematoma due to compact attachment of dura with cranium. However, in this case, diastasis of coronal suture due to transmitted force is the cause of accumulation of blood extradurally in relatively loosely adhered dura in fronto-temporal region where a potential negative pressure space is created by contrecoup injury., Competing Interests: There are no conflicts of interest.

Published
2017
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10. Evisceration of Brain: An Unusual Case Report of Bear Mauling from Eastern India.

Author

Behera BR, Mishra S, Das D, and Gantayat R

Abstract

Even if human beings are the most intelligent among all living beings, they are still not immune to attack from wild animals. Human contact with bears has become more frequent as their habitat is being endangered by frequent deforestation. The sloth bear is one of the few bear species found in India, especially in the hilly areas of Southern Odisha. Bears are highly intelligent and omnivorous animals with long claws coupled with powerful shoulder. Here, we describe the tale of a poor tribal male's encounter with a sloth bear resulting in critical injuries to face, scalp, skull bone, with brain matter fungating-out of the skull. We immediately went for debridement of the, bulged-out contused brain matter and opted for delayed repair of scalp defect with antero-lateral thigh free-flap to save him from fatality along with an acceptable cosmetic repair of the defect., Competing Interests: There are no conflicts of interest.

Published
2017
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11. A review of sub acute subdural hematoma (SASDH) with our institutional experience and its management by double barrel technique (DbT): A novel technique.

Author

Tripathy SR, Swarnakar PK, Mishra S, Mishra SS, Dhir MK, Behera SK, Nath PC, Jena SP, Mohanta I, Das D, Satapathy MC, Rout SK, Behera BR, Parida DK, and Rath TS

Abstract

Background: Subacute subdural hematoma (SASDH) is an entity which is yet to capture the popular imagination among the neurosurgeons. Its management is often equated clinically to that of the chronic subdural hematoma (CSDH). However, their neurological deterioration is usually rapid, which seems to align them with acute subdural hematoma (ASDH). We proceed for their epidemiological evaluation. The advantages of a novel "double barrel technique (DbT)" over the conventional burrhole drainage are also presented., Methods: This retrospective study was conducted on all the patients having clinical and radiological evidence of SASDH, admitted to a tertiary care referral institute, during the period August 2013 to December 2015. Postoperatively, patients were followed-up for 3-24 months., Results: 46.87% of the patients belonged to the 35-54 year age group with a male predominance (3.6:1); 68.7% had a history of alcohol abuse, whereas aspirin users were 25%. 87.5% cases were unilateral, 18.75% were hemispheric, and 46.87% were present on the left side. Altered consciousness (100%) followed by headache (37.5%) were the most common presenting clinical features., Conclusion: SASDH is an uncommon neurosurgical entity (0.89% of traumatic brain injury cases in our study) and mimics both CSDH as well as ASDH. The true incidence of SASDH may have been underestimated due to its clinical imitation with CSDH. This study in a South Asian nation also provides the epidemiological data of this rare neurosurgical entity. Outcome of surgery is good; our retrospective study confirms that "DbT" is an adequate and safe treatment. However, a better designed, randomized control trial will be needed to reinforce our findings.

Published
2016
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12. Fabrication and characterization of carbon-backed thin 208 Pb targets.

Author

Thakur M, Dubey R, Abhilash SR, Behera BR, Mohanty BP, Kabiraj D, Ojha S, and Duggal H

Abstract

Thin carbon-backed isotopically enriched 208 Pb targets were required for our experiment aimed to study the reaction dynamics for 48 Ti +  208 Pb system, populating the near super-heavy nucleus 256 Rf, through mass-energy correlation of the fission fragments. Purity and thickness of the targets are of utmost importance in such studies as these factors have strong influence on the measurement accuracy of mass and energy distribution of fission fragments. 208 Pb targets with thickness ranging from 60 μg/cm 2 to 250 μg/cm 2 have been fabricated in high vacuum environment using physical vapor deposition method. Important points in the method are as follows: • 208 Pb was deposited using resistive heating method, whereas carbon (backing foil) deposition was performed by using the electron beam bombardment technique.•Different characterization techniques such as Particle Induced X-ray Emission (PIXE), Energy Dispersive X-Ray Fluorescence (EDXRF) and Rutherford Backscattering Spectrometry (RBS) were used to assert the purity and thickness of the targets.•These targets have successfully been used to accomplish our experimental objectives.

Published
2016
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