Bibliografie tematiche / Doping

Letteratura scientifica selezionata sul tema "Doping"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 7 luglio 2024

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Articoli di riviste sul tema "Doping"

1

ERTİN, Hakan, e Tayyibe BARDAKÇI. "Human Enhancement in Sports: The History of Doping and Anti-Doping". Turkiye Klinikleri Journal of Medical Ethics-Law and History 28, n. 1 (2020): 99–109. http://dx.doi.org/10.5336/mdethic.2019-71091.

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Primorac, Damir, Maja Buhovac e Nenad Miletić. "Istraživanje i dokazivanje dopinga kao sportskog delikta s osvrtom na kaznenopravni aspekt". Zbornik radova Pravnog fakulteta u Splitu 58, n. 1 (9 febbraio 2021): 185–209. http://dx.doi.org/10.31141/zrpfs.2021.58.139.185.

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Abstract (sommario):
O dopingu kao kažnjivoj radnji postoje različita teorijska stajališta i mišljenja. Jedni smatraju da se doping treba kažnjavati kaznenopravnim sankcijama, drugi da je dovoljna prekršajnopravna, a treći stegovna sankcija, kako bi se postigla svrha kažnjavanja. U našem pravnom sustavu borba protiv dopinga evoluirala je tako da danas imamo samodoping kao stegovno djelo koje se kažnjava prema pravilima proisteklima iz Svjetskog antidoping kodeksa. S druge strane, zakonodavac propisuje neovlaštenu proizvodnju i promet tvari zabranjenih u sportu kao zasebno kazneno djelo delicta communia, za koje se kažnjava, inter alia, onaj koji omogućava i stavlja na raspolaganje zabranjene tvari sportašu ili koji drugoga navodi na trošenje tih tvari, a to može biti i sam sportaš. Međutim, borba protiv dopinga ne uključuje samo materijalnopravno normiranje nego, štoviše, pitanja načina dokazivanja, otkrivanja i procesuiranja mogućih počinitelja. Stoga autori u ovom radu iznose procesnopravne odredbe kojima je regulirana borba protiv dopinga, što ukazuje na distinkcije koje postoje u pogledu pojedinih počinitelja ovog kaznenog/stegovnog djela. Doping je opasnost modernog svijeta koji se sastoji u prijevarnom postupanju počinitelja uzimanjem zabranjenih tvari radi postizanja vrhunskih rezultata. Pored toga što je nespojiv s etičkim načelima sporta, te što se uzimanjem dopinga može narušiti zdravlje sportaša, doping predstavlja delikt koji je potrebno sankcionirati. Pri tome, ostvariti punitivnu svrhu a ne utjecati negativno na ugled sporta, izazov je koji je stavljen i pred zakonodavca i pred sustav sporta općenito. Stoga borba protiv dopinga mora obuhvaćati sustavnu koordinaciju materijalnopravnih i postupovnih odredbi u cilju zaštite integriteta čistog sporta.
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Lee, Da Young, Da Eun Choi, Yejin Ahn, Hyojin Kye, Min Seon Kim e Bong-Gi Kim. "Sequential Cascade Doping of Conjugated-Polymer-Wrapped Carbon Nanotubes for Highly Electrically Conductive Platforms". Polymers 16, n. 13 (1 luglio 2024): 1884. http://dx.doi.org/10.3390/polym16131884.

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To explore a highly conductive flexible platform, this study develops PIDF-BT@SWCNT by wrapping single-walled carbon nanotubes (SWCNTs) with a conjugated polymer, PIDF-BT, known for its effective doping properties. By evaluating the doping behaviors of various dopants on PIDF-BT, appropriate dopant combinations for cascade doping are selected to improve the doping efficiency of PIDF-BT@SWCNT. Specifically, using F4TCNQ or F6TCNNQ as the first dopant, followed by AuCl3 as the second dopant, demonstrates remarkable doping efficiency, surpassing that of the individual dopants and yielding an exceptional electrical conductivity exceeding 6000 S/cm. Characterization using X-ray photoelectron spectroscopy and Raman spectroscopy elucidates the doping mechanism, revealing an increase in the proportion of electron-donating atoms and the ratio of quinoid structures upon F4TCNQ/AuCl3 cascade doping. These findings offer insights into optimizing dopant combinations for cascade doping, showcasing its advantages in enhancing doping efficiency and resulting electrical conductivity compared with single dopant processes.
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Elmar qızı Şahbazlı, Nəzrin. "Prohibited doping substances and methods, their definition. Doping control procedure". SCIENTIFIC WORK 65, n. 04 (21 aprile 2021): 147–50. http://dx.doi.org/10.36719/2663-4619/65/147-150.

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Abstract (sommario):
Doping by humans, both in competitions and on a daily basis, remains a major health problem in modern times. There are many growing body of evidences on the negative health effects of using doping. Doping-is the use of substances that will artificially increase their performance and harm the physical and psychological health of the athlete during a race or in preparation for a game. Worldwide doping controls are carried out in accordance with the Code and the International Standard for Testing (IST). Athletes who compete at the international and national level may be tested anytime, anywhere. Specially trained and accredited doping control personnel carry out all tests. The doping control procedure is clearly defined for all anti-doping organizations in the World Anti-Doping Agency (WADA) International Standard for Testing and Investigations (ISTI). Key words: doping substances, sports, harmful substance, fairplay, health, control of doping, methods of doping
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Tang, Chenqing, e Gongchun Li. "Impact of benzimidazole functional groups on the n-doping properties of benzimidazole derivatives". Open Chemistry 20, n. 1 (1 gennaio 2022): 840–48. http://dx.doi.org/10.1515/chem-2022-0202.

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Abstract n-Dopants play a crucial role in improving organic electronic devices through controlled doping of organic semiconductors. Benzimidazoline-based dopants have been reported as one of the best solution-processed n-type dopant precursors. In this study, two benzimidazoline-based dopants (BIBDTO and BBIBDTO) were prepared using benzo[1,2-b:4,5-b′]dithiophene as the 2-Ar unit, and their n-doping properties on the fullerene derivative PTEG-2 as the host material were carried out. For BIBDTO and BBIBDTO, respectively, the temperature at which 5% weight loss was achieved was 229 and 265°C. By comparing the ultraviolet-visible absorption spectroscopy, cyclic voltammetry, and density functional theory calculated data, it is found that BBIBDTO has a higher energy level, which is more favorable for charge transfer. Additionally, both the oxidative titration experiments and conductivity characterization of the dopants showed that BBIBDTO was more advantageous at low doping concentrations, and the BBIBDTO-doped PTEG-2 films obtained a conductivity of 0.15 S cm−1 at 10 mol% doping concentration. However, at high dopant concentrations, the dopant volume increases, potentially disrupting the microstructure. The highest conductivity of 0.29 S cm–1 was obtained at a BIBDTO doping concentration of 15 mol%. This study delves into the effect of benzimidazole functional groups on the doping performance of benzimidazoline-based dopant molecules, providing insight into designing novel efficient n-type dopant molecules and further selecting the type of dopant for various doping systems.
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Khlayboonme, S. Tipawan, e Warawoot Thowladda. "Synthesis and Characterization of Cu-Doped SnO2 Thin Films by Aerosol Pyrolysis Technique for Gas Sensor Application". Key Engineering Materials 766 (aprile 2018): 205–10. http://dx.doi.org/10.4028/www.scientific.net/kem.766.205.

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Thin films of un-doped and Cu-doped tin oxide were synthesized on quartz substrates by the purpose-built aerosol pyrolysis apparatus from 0.2 M SnCl4.5H2O – ethanol solution. CuCl2.2H2O was used as a source of Cu dopant. The Cu dopant of 1, 3 and 5 wt.% were used for doping SnO2 film. The morphological, structural, optical and electrical properties under the influence of the Cu-doping was examined by FE-SEM, XRD, UV-Vis transmission spectroscopy and Hall effect measurement technique. XRD patterns of all films exhibited rutile-phase SnO2. The doping content of 1%Cu improved the film crystallinity. The Cu doping content decreased optical bandgap from 4.36 eV for undoped SnO2 to 4.28 eV for 3%Cu-doped SnO2. The further Cu doping content increased the bandgap energy to 4.32 eV. The resistivity was increased for doping of Cu 1% but it was decreased with further increasing in Cu-doping contents
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Liu, Bin, Mengzhen Li, Chunliang Yao, Minghan Cai, Guomeng Li, Hongyu Wang, Xiaoyu Gao, Xiujian Zhu e Wonjun Song. "11.2: The Effect of Doping Distribution on the Property of Green Phosphorescent Organic Light‐Emitting Diodes". SID Symposium Digest of Technical Papers 54, S1 (aprile 2023): 104–9. http://dx.doi.org/10.1002/sdtp.16233.

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In mass production OLED structures, doping ratio distribution across the thickness of emitting layer is not uniform owing to the linear evaporating configuration, where dopant and host materials are added in different sources. In this study, we firstly confirmed that different types of doping distribution among emitting layer of green phosphorescent OLED exhibited over 15% difference of current efficiency. By carefully designing and comparing emitting layers with a series of doping distribution modes, we found that dramatic variation of doping ratio near electron blocking layer was the critical factor. Then, trapping behavior of dopant molecules was confirmed to affect the carrier distribution among the emitting layer according to analysis of current density‐voltage (JV) and capacitance‐voltage (CV) curves from carrier only devices based on two types of doping distribution modes. Combining with the result of hole‐electron recombination zone (RZ), the area where possessed both high doping ratio and excitons recombination probability exhibited a high current efficiency and low driving voltage. Finally, PL and EL transient decay lifetime combined with triplet‐polaron quenching (TPQ) efficiency measurement demonstrated that TPQ was the main factor causing current efficiency difference between two types of doping distribution modes. Therefore, the doping distribution and trapping property of dopant material in emission layer should be carefully evaluated for OLED devices for mass production.
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Tammarugwattana, Narin, Kitipong Mano, Chaloempol Saributr, Adirek Rangkasikorn, Navaphun Kayunkid, Pitiporn Thanomngam e Jiti Nukeaw. "Growth and Characterizations of Tin-Doped on Nickel-Phthalocyanine as a Novel Nanomaterial". Advanced Materials Research 1131 (dicembre 2015): 39–42. http://dx.doi.org/10.4028/www.scientific.net/amr.1131.39.

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Tin-doped nickel phthalocyanine thin films (Sn-doped NiPc) were deposited by thermal co-evaporation method. Doping concentration of tin in NiPc was controlled via different deposition rates between metal dopent and host organic material. Properties of the thin films doped by tin in the range of 3 to 15% were characterized by atomic force microscopy (AFM), field emission scanning electron microscopy (FESEM), UV-Visible spectroscopy and X-ray photoelectron spectroscopy (XPS). Furthermore, electrical properties of Al/Sn-doped-NiPc/ITO devices i.e. charge carrier concentration and carrier mobility were characterized by current-voltage and capacitance-voltage measurements. Microscopic results show clear evidence of the morphological transition from granular structure in undoped-film to rod-liked structure in the films doped more than 5%. Moreover, surface grain size exhibits the tendency to decrease with the increase of doping concentration. Optical properties reveal that the packing of NiPc molecules in all doping conditions is the combination of α-phase (majority) and β-phase (minority). However, evolution of β-phase NiPc is observed with the increase of doping concentration. Photoelectron analyses indicate shift of binding energy in both Ni2p and Sn3d levels corresponding to charge transfer between nickel-core and tin dopant. In addition, the electrical properties show the enhancement of the film’s conductivity due to the increase of charge carrier concentration with the higher Sn-doping level.
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Wang, Kuan, Pengfei Yan, Zelin Wang, Junjie Fu, Zhenlu Zhang, Xiaoxing Ke e Manling Sui. "Advancing layered cathode material's cycling stability from uniform doping to non-uniform doping". Journal of Materials Chemistry A 8, n. 32 (2020): 16690–97. http://dx.doi.org/10.1039/d0ta05262k.

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Dopant segregation induced precipitates can further improve the cycling stability of a P2-layered cathode due to the precipitation strengthening effect, which conceptually validates that non-uniform doping has big advantage over uniform doping.
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Lu, Zhen Ya, Yu Xiang Liu, Zhi Wu Chen e Jian Qing Wu. "Effect of Ho2O3 Doping on Performance of ZnO Varistor". Key Engineering Materials 368-372 (febbraio 2008): 507–9. http://dx.doi.org/10.4028/www.scientific.net/kem.368-372.507.

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The effect of Ho2O3 doping on the electrical properties and microstructure of ZnO base varistor was investigated. It was found that Ho2O3 is an effective dopant for increasing the breakdown electric filed. The Ho2O3 doping can also improve the nonlinear performance both in low and high current area. But excessive doping of Ho2O3 will decrease the withstanding surge current. With 0.8mol% Ho2O3 doping, the varistor samples exhibit a breakdown voltage of about 400V/mm, a nonlinear coefficient of 80 and the withstanding surge current of 8/20μs, waveshape is higher than 5kA. Ho2O3 dopant can hinder ZnO grain growth and make the crystal grains more uniform.
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Tesi sul tema "Doping"

1

Marcolino, Paulo José Carvalho. "Factores psicológicos do doping-atitudes perante o doping no desporto". Master's thesis, Instituições portuguesas -- UTL-Universidade Técnica de Lisboa -- -Faculdade de Motricidade Humana, 2001. http://dited.bn.pt:80/29335.

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Strindberg, Jonas, e Mathias Nilsson. "Doping : Ett samhällsproblem". Thesis, Umeå University, Basic training programme for Police Officers, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-27141.

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Abstract (sommario):

Doping är ett vitt begrepp och omfattar en hel del olika illegala preparat. Det som i idrottens regelverk anses vara doping är betydligt mer omfattande än vad som enligt lag anses vara doping. Vi har i vår rapport främst främst valt att belysa problematiken kring AAS i samhället. AAS står för anabola androgena steroider. Preparaten togs fram i slutet av 30-talet i medicinskt syfte, men i dag används AAS främst som dopingpreparat. AAS i samband med träning ger en muskeluppbyggande effekt. Biverkningarna är många t.ex. aggressivitet, depression och ångest. Dopingproblematiken växer i samhället och det är inte längre bara våra elitidrottare som dopar sig, utan nu har problemet spridit sig till det övriga samhället där personer dopar sig av olika anledningar. Kunskapen i ämnet är allmänt dålig exempelvis hos polis och åklagare. Det är svårt att bevisa kopplingen mellan våldsbrott och AAS eftersom det finns väldigt lite forskning och statistik. Vi har försökt få klarhet i våra frågeställningar genom att kontakta ett flertal dopingexperter samt tagit del av deras studier och material. Vi kan konstatera att problemet finns och att det växer. Det är definitivt inte längre bara ett problem inom idrotten utan också ett samhällsproblem.

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Nilsson, John. "Doping - ett samhällsproblem?" Thesis, Malmö högskola, Lärarutbildningen (LUT), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-33710.

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Abstract (sommario):
Min vilja har varit att undersöka attityden till dopingmedel i det svenska samhället och då i synnerhet inom gymkulturen. Med ett nytt globalt och massmedialt klimat som medfört ett snabbare informationsutbyte och sociala förändringar kan människors attityder och moraliska ställningstaganden förändras i en allt större takt. Vilket kan leda till nya vanor och beteendemönster. Studieresultaten är grundade på den enkät jag skickade ut till femhundra slumpvis utvalda personer på tidskriften Bodys hemsida, samt den litteraturstudie som är fundamentet i min teoribakgrund. Resultaten av studien visar att det är lätt att få tag på dopingmedel i Sverige och att de är flitigt förekommande i gymkulturen av idag. Vidare finns det en hel del människor som är beredda att prova på dopingmedel oavsett bieffekterna. I ljuset av studieresultaten hävdar jag att det skulle ligga i samhällets intresse att upplysa dess skolungdomar om farorna med dopingmedel.
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Petrisko, Lukáš. "Doping - pohledem ekonomie". Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-17077.

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My diploma thesis deals with doping and is specially focused on anabolic steroids. It was written in response to § 288 Criminal code, which newly describes production and other handling with hormonal effect as a delict in order to reduce the number of users, both among proffesional and among recreational sportsmen. It shows that sport federations have enough instruments to be able to face doping and that the newly adopted legal ragulation has a negative impact on human health, which is inconsistent with the reasons for which it was adopted.
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Chiarcos, Riccardo. "Polymeric Deterministic Doping". Doctoral thesis, Università del Piemonte Orientale, 2021. http://hdl.handle.net/11579/128003.

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An accurate control of the dose and the position of dopant atoms in semiconductive materials is strictly required in the production of transistors with dimensions of few nanometers and is then strongly requested by microelectronics industry. In this thesis a doping technology based on functionalized polymers is proposed. Several dopant polymers were synthesized by ATRP, NMP and Solid-Phase synthesis and tested as dopant system. Because the control of the amount of dopant atoms is performed by a "grafting to" approach, the mechanism of this reaction was investigated deep inside. A new mechanochemical model for the "grafting to" reaction was proposed in contrast with the classical one, based on diffusion.
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Kern, Bastian. "Internationale Dopingbekämpfung - der World Anti-Doping Code der World Anti-Doping Agency /". Hamburg : Kovač, 2007. http://www.verlagdrkovac.de/978-3-8300-2955-7.htm.

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Kern, Bastian. "Internationale Dopingbekämpfung der World-anti-doping-Code der World Anti-Doping Agency". Hamburg Kovač, 2006. http://www.verlagdrkovac.de/978-3-8300-2955-7.htm.

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Reis, Claúdia Gabriela Marques dos. "Atitudes face ao doping". Master's thesis, Instituições portuguesas -- UTL-Universidade Técnica de Lisboa -- -Faculdade de Motricidade Humana, 2001. http://dited.bn.pt:80/29391.

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Haug, Tanja. "Doping Dilemma des Leistungssports". Hamburg Merus-Verl, 2005. http://deposit.ddb.de/cgi-bin/dokserv?id=2827041&prov=M&dok_var=1&dok_ext=htm.

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Haug, Tanja. "Doping : Dilemma des Leistungssports /". Hamburg : Merus-Verl, 2006. http://deposit.ddb.de/cgi-bin/dokserv?id=2827041&prov=M&dok_var=1&dok_ext=htm.

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Libri sul tema "Doping"

1

1955-, Iburg Larry, a cura di. Doping. Arnhem: Ellessy Jeugd, 2009.

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Ndasauka, Yamikani, e Simon Mathias Makwinja. Doping and Anti-Doping in Africa. London: Routledge, 2023. http://dx.doi.org/10.4324/9781003370796.

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Doping und Zivilrecht: Rechtmässigkeit von Doping-Sanktionen sowie durch Doping begründete Schadensersatzansprüche. Frankfurt am Main: P. Lang, 2002.

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Andreasson, Jesper, e Thomas Johansson. Fitness Doping. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-22105-8.

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Berendonk, Brigitte. Doping Dokumente. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-93484-1.

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translator, Ostrowska Joanna, a cura di. Krwawy doping. Katowice: Wydawnictwo Sonia Draga, 2015.

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Ferrara, S. D. Doping antidoping. Padova: Piccin, 2004.

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Noret, André. Le doping. Paris: Presses universitaires de France, 1986.

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Andreasson, Jesper, e April Henning. Online Doping. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-30272-5.

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Sports Council. Doping Control Unit., a cura di. Doping control in sport: UK legislation on doping substances. London: Sports Council, 1993.

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Capitoli di libri sul tema "Doping"

1

Cascais, Maria João. "Doping". In The Sports Medicine Physician, 439–46. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-10433-7_32.

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Castillo, Edward M., e R. Dawn Comstock. "Doping". In Encyclopedia of Adolescence, 755–61. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-1695-2_323.

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Gooch, Jan W. "Doping". In Encyclopedic Dictionary of Polymers, 240. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3938.

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Dikic, Nenad, Nenad Djurdjevic e Michael J. McNamee. "Doping". In Encyclopedia of Global Bioethics, 979–90. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-09483-0_156.

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Dikic, Nenad, Nenad Djurdjevic e Michael J. McNamee. "Doping". In Encyclopedia of Global Bioethics, 1–14. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-05544-2_156-1.

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Bäuerle, Dieter. "Doping". In Laser Processing and Chemistry, 561–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-17613-5_24.

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Coumans, Bart, e Olivier de Hon. "Doping". In Leerboek sportgeneeskunde, 189–98. Houten: Bohn Stafleu van Loghum, 2016. http://dx.doi.org/10.1007/978-90-368-1099-9_25.

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Castillo, Edward M., e R. Dawn Comstock. "Doping". In Encyclopedia of Adolescence, 1072–78. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-33228-4_323.

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Bäuerle, Dieter. "Doping". In Advanced Texts in Physics, 517–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04074-4_24.

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Smith, Aaron, e Bob Stewart. "Doping". In Contemporary Issues in Sport Management: A Critical Introduction, 256–66. 1 Oliver’s Yard, 55 City Road London EC1Y 1SP: SAGE Publications Ltd, 2016. http://dx.doi.org/10.4135/9781473919761.n20.

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Atti di convegni sul tema "Doping"

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Yang, G. J., C. J. Li, X. C. Huang, Y. Y. Wang e C. X. Li. "Influence of Silver Doping on Photocatalytic Activity of Liquid Flame Sprayed Nanostructured TiO2 Coating". In ITSC2007, a cura di B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima e G. Montavon. ASM International, 2007. http://dx.doi.org/10.31399/asm.cp.itsc2007p0655.

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Abstract Silver ion was added to liquid feedstock to deposit Ag+ doping nanostructured TiO2 photocatalytic coatings through liquid flame spraying. The coating microstructure was characterized by X-ray diffraction (XRD). The photocatalytic performance of coatings was examined by photodegradation of acetaldehyde. XRD analysis showed that the phase structure of coatings was not significantly influenced by the silver ion doping. However, a shift was found for XRD peaks of anatase TiO2. The photocatalytic activity of the TiO2 coatings was increased and then decreased with the increase of dopant concentration. The photocatalytic activity of doping coatings was higher than that of pure TiO2 coating, in spite of dopant concentration. The enhancement of photocatalytic performance of doping coatings is attributed to co-doping of Ag+ ion and metallic Ag.
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Chou, Po Fu, e Chun Yen Chen. "Doping Profile Inspected by SEM Dopant Contrast, Wet Stain and SCM". In ISTFA 2009. ASM International, 2009. http://dx.doi.org/10.31399/asm.cp.istfa2009p0189.

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Abstract The techniques of doping profile inspection, such as SEM (Scanning Electron Microscope) dopant contrast, SEM wet stain and SCM (Scanning Capacitance Microscope) have been widely used in failure analysis for implant root causes identification. The applications of real FA (Failure analysis) cases and advantages/disadvantages will be discussed and demonstrated in this paper. To sum up, SEM dopant contrast is the most convenient method for doping profile inspection, and SCM is the best method for low doping profile observation.
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Yang, G. J., C. J. Li, C. X. Li, Y. Y. Wang e X. C. Huang. "Effect of Copper Ion Doping on Photocatalytic Performance of Liquid Flame Sprayed TiO2 Coatings". In ITSC2006, a cura di B. R. Marple, M. M. Hyland, Y. C. Lau, R. S. Lima e J. Voyer. ASM International, 2006. http://dx.doi.org/10.31399/asm.cp.itsc2006p0853.

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Abstract Copper ion was added in liquid feedstock to deposit ion doping TiO2 photocatalytic coatings through liquid flame spraying. The coating microstructure was characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS). The photocatalytic performance of coatings was examined by photodegradation of acetaldehyde. XRD analysis shows that the crystalline structure of coatings is not significantly influenced by the metal ion doping. The photocatalytic activity of the TiO2 coatings is enhanced by the copper ion doping. It is found that a high concentration of ion doping decreases the activity. XPS analysis shows that the adsorbed oxygen concentration is increased with the increase of Cu2+ dopant concentration and decreases with the further increase of dopant concentration. The enhancement of photocatalytic activity can be attributed to the adsorption ability of oxygen and other reactants on the surface of doping TiO2 coatings.
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4

Klibanov, Lev, Dick James e Dieter Isheim. "Doping Profile Measurements in a 65-nm Commercial Product Using Atom Probe Tomography". In ISTFA 2008. ASM International, 2008. http://dx.doi.org/10.31399/asm.cp.istfa2008p0297.

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Abstract Doping profile measurements in extremely small features like transistor gates or source/drain regions is a challenging task for the semiconductor industry. In our article, we successfully used an atom probe tomography (APT) tool to measure the doping concentration and profile of the dopant elements in a commercial 65 nm product. APT not only delivers doping concentrations but also gives the highest spatial resolution (sub-1 nm) three-dimensional compositional information of any microscopy technique.
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Wang, Cuiyang, Jonathan England, Hans Gossmann, Harold Persing, Tim Miller, Qi Gao, Shan Tang e Siamak Salimian. "Sidewall doping mechanism and doping profile tuning on 3D structure by plasma doping". In 2017 17th International Workshop on Junction Technology (IWJT). IEEE, 2017. http://dx.doi.org/10.23919/iwjt.2017.7966515.

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6

Shoba, A., e A. M. Manjunatha. "Technological Doping". In Third International Conference on Current Trends in Engineering Science and Technology ICCTEST-2017. Grenze Scientific Society, 2017. http://dx.doi.org/10.21647/icctest/2017/48984.

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7

Marić, Dora, Šime Veršić e Šimun Vasilj. "Doping knowledge and doping attitudes in competitive bodybuilding". In 12th International Conference on Kinanthropology. Brno: Masaryk University Press, 2020. http://dx.doi.org/10.5817/cz.muni.p210-9631-2020-30.

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Purpose: Bodybuilding becomes more visible and acceptable within mainstream society thanks to social media, which is promoting, and developing grooving interest in bodies, fit-ness and active lifestyle. However, this is concerning knowing that according to the latest world anti-doping agency report bodybuilding is one of two sports with the highest number of Anti-Doping Rule Violations (ADRVs) committed by athletes. This study aimed to evaluate doping attitudes and correlates of doping attitudes in top level body builders. Methods: Study included 26 competitive bodybuilders form Croatia. Variables were collect-ed by a previously validated Questionnaire of Substance Use (QSU). Statistical procedures included means and standard deviations (for parametric variables), frequencies and percent-ages (for ordinal and nominal variables). Spearman’s correlations were calculated to deter-mine associations between studied variables. Results: The most positive attitudes are found towards injectable anabolic steroids (mean ± standard deviation; 4.00 ± 1.52), followed by fat burners (3.73 ± 1.46), growth hormone (3.69 ± 1.64), and estrogen blockers (3.60 ± 1.22), oral anabolic steroids (3.58 ± 1.27). Sig-nificant correlation was identified between: (i) result achieved in bodybuilding (RBB) and alcohol consumption, (R= -0.57 p < 0.05) (ii) RBB and subjective knowledge on nutrition (R=0.66, p < 0.05), (iii) RBB and subjective knowledge on doping (R=0.72, p < 0.05). Conclusion: The lack of correlation between self-perceived competence and objectively eval-uated knowledge on nutrition is alarming due to the possible “anchoring effect”, accordingly even though objective knowledge is not correlated with attitudes towards doping substances, it is important to properly educate athletes who are in the misconception of their true knowl-edge.
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Simpson, T. B., R. P. Leavitt, G. J. Simonis, J. J. Winter, J. E. Anthony e T. R. AuCoin. "Laser-modulated transmission in GaAs doping superlattices". In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1985. http://dx.doi.org/10.1364/oam.1985.fr1.

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The doping superlattice1 consists of thin alternating layers of n- and p-doped semiconducting material. The electric field induced by carrier migration leads to band bending and to an indirect band gap in real space. The energy of this indirect band gap can be tuned by creating electron–hole pairs by means of laser excitation, thus changing the transmission, reflection, and photoluminescent properties of the superlattice. GaAs doping superlattices having various layer thicknesses and dopant levels were grown by means of molecular beam epitaxy. Optical properties of the samples were measured at temperatures ~300, 80, and 5 K. Modulation of the optical properties by an exciting Ar laser was strongest at 5 K and too small to be observed at 300 K. At 5 K, under appropriate laser excitation, photoluminescent peaks were shifted toward longer wavelengths, as far as 9300 Å. Laser-modulated absorption was observed from 8250 Å, corresponding to an energy slightly less than the GaAs direct band gap, to 8900 Å. The experimental results are compared with theoretical calculations of properties of doping superlattices.
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Adhikari, Nirmal, Phil Kaszuba, Gaitan Mathieu, Erik McCullen, Thom Hartswick e Joe Myer. "A Novel Sample Preparation Approach for Dopant Profiling of 14 nm FinFET Devices with Scanning Capacitance Microscopy". In ISTFA 2020. ASM International, 2020. http://dx.doi.org/10.31399/asm.cp.istfa2020p0375.

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Abstract Three-dimensional device (FinFET) doping requirements are challenging due to fin sidewall doping, crystallinity control, junction profile control, and leakage control in the fin. In addition, physical failure analyses of FinFETs can frequently reach a “dead end” with a No Defect Found (NDF) result when channel doping issues are the suspected culprit (e.g., high Vt, low Vt, low gain, sub-threshold leakage, etc.). In new technology development, the lack of empirical dopant profile data to support device and process models and engineering has had, and continues to have, a profound negative impact on these emerging technologies. Therefore, there exists a critical need for dopant profiling in the industry to support the latest technologies that use FinFETs as their fundamental building block [1]. Here, we discuss a novel sample preparation method for cross-sectional dopant profiling of FinFET devices. Our results show that the combination of low voltage (&lt;500eV), shallow angle (~10 degree) ion milling, dry etching, and mechanical polishing provides an adequately smooth surface (Rq&lt;5Å) and minimizes surface amorphization, thereby allowing a strong Scanning Capacitance Microscopy (SCM) signal representative of local active dopant (carrier) concentration. The strength of the dopant signal was found to be dependent upon mill rate, electrical contact quality, amorphous layer presence and SCM probe quality. This paper focuses on a procedure to overcome critical issues during sample preparation for dopant profiling in FinFETs.
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Qin, Shu. "Dopant deactivation and reactivation study of advanced doping technologies". In 2014 14th International Workshop on Junction Technology (IWJT). IEEE, 2014. http://dx.doi.org/10.1109/iwjt.2014.6842044.

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Rapporti di organizzazioni sul tema "Doping"

1

Lambrecht, Walter R. Rare-Earth Doping and Co-Doping of GaN for Magnetic and Luminescent Applications. Fort Belvoir, VA: Defense Technical Information Center, agosto 2010. http://dx.doi.org/10.21236/ada533567.

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2

Swanson, Alaina M., e Carlos O. Escobar. Xenon Doping of Liquid Argon. Office of Scientific and Technical Information (OSTI), luglio 2019. http://dx.doi.org/10.2172/1614729.

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3

Wong, Raechelle Kimberly. P-type doping of GaN. Office of Scientific and Technical Information (OSTI), aprile 2000. http://dx.doi.org/10.2172/764386.

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4

Lippincott, Hugh. Doping Liquid Xenon with Light Elements. Office of Scientific and Technical Information (OSTI), novembre 2019. http://dx.doi.org/10.2172/1524810.

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Schoenfeld, Winston V. Polarization Induced Doping in p-ZnMgO. Fort Belvoir, VA: Defense Technical Information Center, settembre 2013. http://dx.doi.org/10.21236/ada602040.

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6

Friedman, Caitlin, Stephen Montague e Jeffry Sniegowski. Novel Techniques for Silicon Doping Profiling. Office of Scientific and Technical Information (OSTI), novembre 2016. http://dx.doi.org/10.2172/1733248.

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Espitia, Jose. Doping effect of Al in LLZO. Office of Scientific and Technical Information (OSTI), settembre 2020. http://dx.doi.org/10.2172/1765793.

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Moll, Amy Jo. Carbon doping of III-V compound semiconductors. Office of Scientific and Technical Information (OSTI), settembre 1994. http://dx.doi.org/10.2172/10196996.

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9

Sampath, Walajabad, e Amit Munshi. Doping CdTe and CdSeTe for higher efficiency. Office of Scientific and Technical Information (OSTI), giugno 2022. http://dx.doi.org/10.2172/2319213.

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10

angle, Johathan, Eric Lechner e Charles Reece. Materials Science of the Interstitial Doping Process. Office of Scientific and Technical Information (OSTI), agosto 2023. http://dx.doi.org/10.2172/1994850.

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