• UTILIZAREA OPTIMA A MATERIEI PRIME AGRICOLE: ASPECT METODOLOGIC 

  Gribincea, Alexandru (ULIM, 2018)

  Agricultura nu se referă numai la hrană. Uniunea Europeană (UE) are 500 de milioane de persoane-consumatori, cu nevoi de sănătate și hrană alimente la un preț accesibil. Produsele agricole sunt una din cele mai importante ...
• ФОНОННЫЕ СПЕКТРЫ В ГРАФЕНОВЫХ НАНОЛЕНТАХ 

  Аскеров, Артур (CEP USM, 2018)

  Предпринято теоретическое исследование фононных спектров в графеновых нанолентах. Расчёты фононных спектров выполнены в рамках модели полей валентных сил (ПВС) для двух типов полосок: «armchair» и « zigzag».Показано, ...
• CELULE FOTOVOLTAICE CU HETEROJONCȚIUNEA n+CdS-p o -p + InP: APLICĂRI TEHNOLOGICE, METODE ŞI REZULTATE ALE CERCETĂRILOR 

  Botnariuc, Vasile; Gagara, Ludmila; Gorceac, Leonid; Cinic, Boris; Covali, Andrei; Raevschi, Simion; Rotaru, Cornel (CEP USM, 2018)

  Au fost obținute celule fotovoltaice (CF) cu heterojoncțiunea nCdS-pInP și strat intermediar epitaxial po InP, fiind cercetate proprietățile lor electrice și fotoelectrice. Grosimile straturilor pInP și al celui frontal ...
• STRATURI SUBȚIRI DE FTALOCIANINĂ DE ZINC OBȚINUTE DIN SOLUȚIE CHIMICĂ PRIN METODA PICĂTURII UTILIZATE ÎN CELULE SOLARE ORGANICE 

  Furtună, Vadim; Robu, Ștefan; Dragalina, Galina; Popușoi, Ana; Potlog, Tamara (CEP USM, 2018)

  În prezenta lucrare este abordată, în premieră, tehnologia de obtinere a straturilor subțiri și a Celulelor Solare Organice (OPV) de tip diodă Schottky pe bază de ZnPc procesate în soluție de acid formic (FA) depuse prin ...
• CERCETĂRI XRD ȘI XPS ALE STRATURILOR DE AlN, AlGaN, GaN DEPUSE PE SILICIU PRIN METODA HVPE 

  Raevschi, Simion; Spalatu, Nicolae; Botnariuc, Vasile; Gorceac, Leonid; Potlog, Tamara; Dobromir, Marius (CEP USM, 2018)

  Prin metoda reacțiilor chimice de transport HVPE (Hydride Vapor Phase Epitaxy) in sistemul (H2-NH3-HCl-Al-GaSi) au fost sintetizate straturi subțiri de AlN, AlGaN, GaN pe substraturi de siliciu, Si(111). Morfologia ...
• OPTICAL AND PHOTOELECTRIC PROPERTIES OF NANOLAMELLAR STRUCTURES OBTAINED BY THERMAL ANNEALING OF InSe PLATES IN Zn VAPOURS 

  Untila, Dumitru; Evtodiev, Igor; Caraman, Iuliana; Spalatu, Nicolae; Dmitroglo, Liliana; Caraman, Mihail (John Wiley & Sons, 2018)

  The structural, optical and photoelectric properties of InSe crystals grown by Bridgman–Stockbarger method and ZnSe/InSe structures obtained on InSe by thermal annealing in Zn vapours are studied in this paper. The study ...
• OPTICAL PROPERTIES OF ZnO THIN FILMS OBTAINED BY HEAT TREATMENT OF Zn THIN FILMS ON AMORPHOUS SiO2 SUBSTRATES AND SINGLE CRYSTALLINE GASE LAMELLAS 

  Dmitroglo, Liliana; Evtodiev, Igor; Untila, Dumitru (Elsevier, 2016)

  Optical absorption and photoluminescence of polycrystalline ZnO films obtained by thermal oxidation of Zn thin films deposited on amorphous SiO 2 (quartz) and (0001) surface of single crystalline GaSe lamellas have been ...
• TEMPERATURE-DEPENDENT GROWTH AND XPS OF AG-DOPED ZNTE THIN FILMS DEPOSITED BY CLOSE SPACE SUBLIMATION METHOD 

  Potlog, Tamara; Dobromir, Marius; Duca, Dumitru (Elsevier, 2015)

  Zinc telluride (ZnTe) thin films were sublimated on a glass substrate using closed space sublimation (CSS) technique. The influence of the substrate temperature on the physical properties is studied. The deposited films ...
• THERMAL ANALYSIS AND CALORIMETRY IN THE STUDY OF MATERIALS AND PROCESSES FOR FUNDAMENTAL SCIENCES AND VARIOUS APPLICATIONS IN CENTRAL AND EASTERN EUROPE 

  Rotaru, Andrei; Lupaşcu, Tudor; Paladi, Florentin (Springer Nature, 2018)
• GENERALIZED PARAMETRIC MODEL FOR PHASE TRANSITIONS IN THE PRESENCE OF AN INTERMEDIATE METASTABLE STATE AND ITS APPLICATION 

  Paladi, Florentin; Barsuk, Alexandr A (Elsevier, 2017)

  The previously proposed model for the kinetics of first-order phase transitions (Barsuk et al., 2013) is generalized for r order and m control parameters. Bifurcation and stability analyses of the equilibrium states in ...
• BIFURCATION AND STABILITY ANALYSIS OF THE EQUILIBRIUM STATES IN THERMODYNAMIC SYSTEMS IN A SMALL VICINITY OF THE EQUILIBRIUM VALUES OF PARAMETERS 

  Paladi, Florentin; Barsuk, Alexandr A. (Springer Nature, 2018)

  The dynamic behavior of thermodynamic system, described by one order parameter and one control parameter, in a small neighborhood of ordinary and bifurcation equilibrium values of the system parameters is studied. Using ...
• CRYSTALLINE STRUCTURE AND PHOTOLUMINESCENCE OF GaSe-CdSe NANOCOMPOSITE 

  Dmitroglo, Liliana; Evtodiev, Igor; Caraman, Iuliana; Kantser, Valeriu; Untila, Dumitru; Stamate, Marius; Gasin, Petru (2015)

  A material consisting of CdSe and GaSe crystallites with average dimensions of 34 nm and 30 nm respectively was obtained by heat treatment at 753K and 853K of GaSe single crystal plates in Cd vapors during 24 hours. As ...
• STRUCTURE AND OPTICAL PROPERTIES OF GaSe-CdSe COMPOSITES DRIVEN BY Cd INTERCALATION IN GaSe LAMELLAR CRYSTALS 

  Caraman, Iuliana; Kantser, Valeriu; Evtodiev, Igor; Leontie, Liviu; Arzumanyan, Grigory; Untila, Dumitru; Dmitroglo, Liliana (2015)

  A new composite material composed of GaSe and CdSe has been obtained by treatment of GaSe single-crystal lamellas in Cd vapors at temperatures of 773853 K and intercalation of Cd interlayers. The structure and optical ...
• LUMINESCENT PROPERTIES OF ZnO POWDERS SYNTHESIZED BY THE ISOVALENT SUBSTITUTION METHOD 

  Goglidze, Tatiana; Dementiev, Igor; Koval, Andrei; Nedeoglo, Natalia; Nedeoglo, Dumitru (2016)

  Zinc oxide powders have been prepared by the isovalent substitution method by means of high - temperature annealing of a zinc sulfide powder synthesized by a chemical method. Investigation of photoluminescence ...
• STRUCTURAL AND OPTICAL PROPERTIES OF COMPOSITES CONTAINING A III B VI AND A II B VI SEMICONDUCTORS 

  Evtodiev, Igor; Untila, Dumitru; Evtodiev, Silvia; Caraman, Iuliana; Gasin, Petru; Dmitroglo, Liliana; Rotaru, Irina; Kantser, Valeriu (2017)

  By thermal annealing of InSe, GaSe, and GaTe crystals in Zn vapors at 800, 870, and 1050K, respectively, a material consisting of ZnSe crystallites in both GaSe and InSe and ZnTe in GaTe has been prepared. Structural defects ...
• TAILORING ELECTRON AND PHONON ENERGY DISPERSION AND THERMAL TRANSPORT IN NANO - AND MICROARCHITECTURES 

  Fomin, V.M. (2018)

  The use of nontrivial geometry and topology for effective tailoring physical properties of diversified quantum fields in novel micro - and nanostructures is one of the most appealing avenues in modern ...
• НЕКОТОРЫЕ РЕЛАКСАЦИОННЫЕ ХАРАКТЕРИСТИКИ ВОДЫ, АКТИВИРОВАННОЙ ПРИ ПОМОЩИ НАНОКОМПОЗИТНЫХ СТРУКТУР НА ОСНОВЕ ВАНАДИЯ И ЕГО ОКСИДОВ 

  Прилепов, Владимир; Черный, Алексей; Заламая, Виктор; Споялэ, Дорин; Кирица, Аркади (CEP USM, 2017)

  Приводится описание устройства для бесконтактой активации жидкости–воды и водных растворов,при помощи нанокомпозитных структур на основе ванадия и его оксидов, а также некоторых релаксационных свойств активированной ...
• GROWTH AND CHARACTERIZATION OF Eu DOPED GaSe SINGLE CRYSTALS BY X-RAY DIFFRACTION AND RAMAN SPECTROSCOPY 

  Untila, Dumitru; Evtodiev, Igor; Caraman, Iuliana; Kantser, Valeriu; Spalatu, Nicolae; Dmitroglo, Liliana; Evtodiev, Silvia; Spoială, Dorin; Rotaru, Irina; Gașin, Petru (CEP USM, 2017)

  GaSe single crystals doped with Eu (0.025, 0.05, 0.5, 1.0 and 3.0 at%) were grown by Bridgman method using Ga, Se and Eu elementary components. The crystalline structure and vibration modes of the GaSe: Eu crystals lattice ...
• INFLUENȚA GROSIMII STRATULUI DE Cd1-xMnxTe ASUPRA PARAMETRILOR FOTOVOLTAICI AI HETEROJONCŢIUNII CdS/Cd1-xMnxTe 

  Suman, Victor; Fedorov, Vladimir; Rusnac, Dumitru (CEP USM, 2017)

  Heterojoncțiunile CdS/Cd1-xMnxTe au fost obținute aplicând metoda de volum cvasiînchis. La studierea proprietăților electrice și fotoelectrice ale acestor structuri s-a constatat că fotosensibilitatea a crescut esențial ...
• CERCETAREA CAPACITĂȚII ȘI CONDUCTIBILITĂȚII ELECTRICE ALE JONCȚIUNILOR DIN P-INP 

  Botnariuc, Vasile; Gagara, Ludmila; Gorceac, Leonid; Cinic, Boris; Covali, Andrei; Raevschi, Semion; Rotaru, Cornel (CEP USM, 2017)

  Au fost studiate caracteristicile capacitate-tensiune-conductabilitate-frecvenţă ale homojoncţiunilor n+-p-p+InP cu şi fără strat frontal n+CdS obţinute cu aplicarea tehnologiilor din faza gazoasă în sistemul In-PCl3-H2 ...

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