Browsing by Author "Caraman, Mihail"

ABSORBŢIA LUMINII ŞI FOTOLUMINESCENŢA IONILOR Eu3+ ÎN CRISTALE DE CaF2

Untila, Dumitru; Racoveț, Oxana; Evtodiev, Silvia; Caraman, Mihail (CEP USM, 2012)

From optical transmittance and photoluminescence measurements of natural crystals of CaF2:Eu was established the correlation between energy states diagram of Eu3+ ion and the structure of these bands. Photon absorption in ...

CERCETAREA SPECTRELOR DE REFLECTANȚĂ A MICROOBIECTELOR BIOLOGICE LA DISTANȚA

Chiriţa, Arcadii; Caraman, Mihail; Sprincean, Veaceslav; Paladi, Florentin (CEP USM, 2020)

DETERMINAREA STADIULUI DE VEGETAȚIE , A CALITĂȚII ȘI TIPULUI SOLULUI PRIN MĂSURĂRI ALE SPECTRELOR OPTICE

Spincean, Veaceslav; Caraman, Mihail; Chirița, Arcadii; Paladi, Florentin (CEP USM, 2020)

Sunt cercetate spectrele de reflexie difuză și de fotoluminescență pentru probe de sol și de frunze colectate la diferite stadii de dezvoltare. Stadiul de vegetație a frunzelor și tipul lor poate fi determinat atât după ...

EFFECTS OF IMPURITY BAND IN HEAVILY DOPED ZnO:HCl

Colibaba, Gleb; Avdonin, A.; Shtepliuk, I.; Caraman, Mihail; Domagała, J.; Inculeț, Ion (Elsevier, 2019)

A comparative study of properties of ZnO:HCl single crystals obtained by various methods is presented. Characterization by photoluminescence, optical and electrical measurements in the wide temperature range has allowed ...

ELLIPSOMETRIC STUDIES OF NANOMETRIC CdS AND CdTe FILMS

Caraman, Mihail; Evtodiev, Igor; Cuculescu, Elmira; Rusu, Marin; Salaoru, Iurie (2005)

The thickness of the layers CdS and CdTe grown on the Si, Ge, GaAs was determined from the analysis of the polarization ellipse of the reflected light from the surfaces of structures thin layers ...

EXCITONIC AND RADIATIVE EFFECTS IN GaSe-C 60 STRUCTURES

Evtodiev, Igor; Lozovanu, Petru; Cuculescu, E.; Caraman, Mihail (2007)

The absorption and photoluminescence spectra of GaSe intercalated in C60 fullerene has been investigated at 293 K and 78 K. C60 and C60-toluene molecules intercalated in-between GaSe stratified “packing” cause the ...

FOTOLUMINESCENȚA – METODĂ EXPERIMENTALĂ DE CARACTERIZARE A FACTORILOR DE MEDIU

Sprincean, Veaceslav; Chirița, Arcadi; Caraman, Mihail (CEP USM, 2024)

The excitation and photoluminescent emission mechanisms of the substrates in atomic, molecular, and solid state are analyzed. Experimental methods for the research of nanostructured material and composites based on ...

FOTOREZISTOR PENTRU REGIUNEA ULTRAVIOLETĂ PE BAZĂ DE STRAT DIN NANOFIRE DE β-Ga2O

Vatavu, Elmira; Sprincean, Veaceslav; Dmitroglo, Liliana; Gurău, Virginia; Caraman, Mihail (CEP USM, 2022-11-10)

IMPACTUL ECONOMIC ȘI DE MEDIU AL PLATFORMEI eALERT PENTRU MONITORIZAREA ÎN TIMP REAL A CALITĂȚII AERULUI

Leu, Alexei; Jalencu, Marian; Savva, Marianna; Caraman, Mihail; Paladi, Florentin; Sprîncean, Veaceslav (CEP USM, 2022-11-10)

INVESTIGATION OF ENERGETIC STATES, DETERMINED BY Cu AND Cd IMPURITY ATOMS, AT SURFACE OF GaS AND GaSe MONOCRYSTALLINE LAYERS

Evtodiev, Igor; Cuculescu, E.; Postolachi, Vitalie; Caraman, Mihail (2007)

The reflection, absorption, photoconductivity, and thermally stimulated luminescence (TSL) spectra of GaS:Cu and GaSe:Cu, Cd single crystals have been studied. As a result of these investigations, the energy ...

MONITORIZAREA PROCESELOR DE DEZVOLTARE A PLANTELOR PRIN MĂSURĂRI ALE SPECTRELOR OPTICE

Sprincean, Veaceslav; Caraman, Mihail; Chiriţa, Arcadii; Paladi, Florentin (CEP USM, 2020)

MORFOLOGIA SUPRAFEŢEI ŞI PROPRIETĂŢILE OPTICE ŞI FOTOELECTRICE ALE HETEROJONCŢIUNILOR CDTE-GATE

Spalatu, Nicolae; Evtodiev, Igor; Caraman, Iuliana; Leontie, Liviu; Rotaru, Irina; Until, Dumitru; Caraman, Mihail (CEP USM, 2014)

OBŢINEREA STRUCTURILOR n + SnO 2 /nSi ŞI CERCETAREA PROPRIETĂŢILOR ACESTORA

Bobeico, Eugenia; Bruc, Leonid; Caraman, Mihail; Coval, Andrei; Fedorov, Vladimir; Simaşchevici, Alexei; Şerban, Dormidont; Usatîi, Iurie (CEP USM, 2007)

By the method of pyrolitic spraying spirit solutions of chlorides of tin and antimony transparent (transmission ~ 85%) and conductive (σ ~ 102 Ohm-1cm-1) layers of SnO2:Sb were obtained. By using these layers ...

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 (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 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 CRYSTALS GaSe AND InSe DOPED WITH Cu

Evtodiev, Igor; Cuculescu, Elvira; Caraman, Mihail; Anghel, Sergiu; Petrov, M. (2005)

The anisotropy of absorption spectra in the range of the margin of fundamental band of the crystals GaSe and InSe doped with Cu in the percentage quantities up to 0.5 % at. from which the implementation mechanism of ...

PROCESE DE GENERARE-RECOMBINARE A PURTĂTORILOR DE SARCINĂ DE NEECHILIBRU ÎN COMPOZITUL Ga2O3/Ga2Se3 ȘI ÎN STRUCTURILE MICROLAMELARE - Ga2O3/GaSe

Sprincean, Veaceslav; Dmitroglo, Liliana; Vatavu-Cuculescu, Elmira; Caraman, Mihail (CEP USM, 2020)

PROPRIETĂŢILE ELECTRICE ŞI FOTOELECTRICE ALE MONOSELENIURII DE GALIU DOPAT CU Cd

Dmitroglo, Liliana; Vatavu, Elmira; Evtodiev, Igor; Caraman, Mihail (CEP USM, 2011)

The paper is focused on analysis of structural transformations and investigations on electrical and photoelectrical properties of GaSe and GaSe: Cd semiconductors. The XRD analysis demonstrated that Cd atoms are homogeneously ...

REFLEXIA DIFUZĂ ȘI FOTOLUMINESCENȚA FRUNZELOR DE VIȚA-DE-VIE ÎN DIFERITE PERIOADE DE VEGETAȚIE A PLANTELOR

Sprîncean, Veaceslav; Chiriţa, Arcadii; Caraman, Mihail; Paladi, Florentin (CEP USM, 2022-11-10)

REFLEXIA DIFUZĂ ȘI FOTOLUMINESCENȚA FRUNZELOR DE VIȚA-DE-VIE ÎN DIFERITE PERIOADE DE VEGETAȚIE A PLANTELOR

Chiriţa, Arcadii; Caraman, Mihail; Paladi, Florentin; Sprîncean, Veaceslav (CEP USM, 2022-11-10)

Browsing by Author "Caraman, Mihail"

Browsing by Author "Caraman, Mihail"

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