Roumen Kakanakov: search on Z-Library

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1

Investigation of ZrN Hard Coatings Obtained by Cathodic Arc Evaporation

Kakanakov, Roumen, Bahchedjiev, H., Kolaklieva, Lilyana, Cholakova, T., Evtimova, Svetla, Polychroniadis, Efstathios K., Pavlidou, E., Tsiaoussis, Ioannis

Journal:

Solid State Phenomena

Year:

2010

Language:

english

File:

PDF, 1.07 MB

english, 2010

2

Tribological Behaviour of Gradient TiAlSiN Superhard Coatings

Mourlas, Athanasios, Psyllaki, Pandora, Chaliampalias, Dimitrios, Vourlias, George, Kolaklieva, Lyliana, Kakanakov, Roumen

Journal:

Key Engineering Materials

Year:

2016

Language:

english

File:

PDF, 850 KB

english, 2016

3

Fiber-optic liquid-level sensor

Pekka Raatikainen, Ivan Kassamakov, Roumen Kakanakov, Mauri Luukkala

Journal:

Sensors and Actuators A: Physical

Year:

1997

Language:

english

File:

PDF, 439 KB

english, 1997

4

Investigation of Pulsed Laser Annealing of CdS Layers Designed for Thin-Layer Solar Cells

Shindov, Peter, Kakanakov, Roumen, Bedikyan, Lidiya, Kaneva, Svetlana, Anastasova, Teodora

Journal:

Solid State Phenomena

Year:

2010

Language:

english

File:

PDF, 613 KB

english, 2010

5

Effect of Temperature Treatment on Au/Pd Schottky Contacts to 4H-SiC

Kassamakova, Liliana, Kakanakov, Roumen, Yakimova, Rositza, Kakanakova-Georgieva, A., Syväjärvi, Mikael, Wilzén, L., Janzén, Erik

Journal:

Materials Science Forum

Year:

2002

File:

PDF, 339 KB

2002

6

Modeling of the Light Emission Spectra of InGaN/GaN Quantum Well with Highly Doped Barriers

Arnaudov, Boris, Domanevskii, Dmitrii S., Evtimova, Svetla, Ivanov, Chavdar, Kakanakov, Roumen

Journal:

Solid State Phenomena

Year:

2010

Language:

english

File:

PDF, 395 KB

english, 2010

7

Reliable Ohmic Contacts to LPE p-Type 4H-SiC for High-Power p-n Diode

Kakanakov, Roumen, Kassamakova, Liliana, Hristeva, N., Lepoeva, G., Kuznetsov, N.I., Zekentes, K.

Journal:

Materials Science Forum

Year:

2002

File:

PDF, 338 KB

2002

8

Formation and Characterization of Nanolayered Pd-Based Metal/p-4H SiC Systems with Ohmic Behaviour

Kolaklieva, Lilyana, Kakanakov, Roumen, Polychroniadis, Efstathios K., Pavlidou, Eleni, Tsiaousis, Ioannis, Albert, Bensely, Andreadou, Ariadne

Journal:

Journal of Nano Research

Year:

2010

Language:

english

File:

PDF, 622 KB

english, 2010

9

Mathematical Modelling the Power Supply-Load System for Electro-Discharge Polishing Process

Parshuta, A., Chitanov, Vassiliy, Kolaklieva, Lilyana, Kakanakov, Roumen

Journal:

Solid State Phenomena

Year:

2010

Language:

english

File:

PDF, 272 KB

english, 2010

10

Search for a Suitable Ohmic Metallization Scheme to GaN/AlGaN Heterostructures for Sub-Micron Devices

Kolaklieva, Lilyana, Kakanakov, Roumen, Chitanov, Vassiliy, Dulgerova, Polina, Cimalla, Volker

Journal:

Solid State Phenomena

Year:

2010

Language:

english

File:

PDF, 1.31 MB

english, 2010

11

Mechanical, Structural and Thermal Properties of Multilayered Gradient Nanocomposite Coatings

Kolaklieva, Lilyana, Kakanakov, Roumen, Chaliampalias, D., Vourlias, G., Cholakova, T., Pashinski, Ch., Chitanov, V., Bahchedjiev, Ch., Petkov, N., Polychroniadis, Efstathios K.

Journal:

Journal of Nano Research

Year:

2012

Language:

english

File:

PDF, 1.61 MB

english, 2012

12

Reliability of 4H-SiC p-n Diodes on LPE Grown Layers

Sarov, G., Kakanakov, Roumen, Cholakova, T., Kassamakova, Liliana, Hristeva, N., Lepoeva, G., Philipova, P., Kuznetsov, N.I., Zekentes, K.

Journal:

Materials Science Forum

Year:

2003

Language:

english

File:

PDF, 188 KB

english, 2003

13

4H-SiC pn Diode Grown by LPE Method for High-Power Applications

Kuznetsov, N.I., Bauman, D., Gavrilin, A., Kassamakova, Liliana, Kakanakov, Roumen, Sarov, G., Cholakova, T., Zekentes, K., Dimitrov, Ventzislav I.

Journal:

Materials Science Forum

Year:

2003

Language:

english

File:

PDF, 174 KB

english, 2003

14

Mechanical and Structural Properties of Nanocomposite CrAlSiNâAlSiN Coating with Periodically Modulated Composition

Kolaklieva, Lilyana, Kakanakov, Roumen, Stefanov, Plamen, Kovacheva, Daniela, Atanasova, Genoveva, Russev, Stoyan, Chitanov, Vasiliy, Cholakova, Tetyana, Bahchedjiev, Christo

Journal:

Year:

2020

Language:

english

File:

PDF, 3.01 MB

english, 2020

15

4H-SiC Power Schottky Diodes. On the Way to Solve the Size Limiting Issues

Syrkin, Alexander, Dmitriev, Vladimir, Soukhoveev, V., Mynbaeva, M.G., Kakanakov, Roumen, Hallin, Christer, Janzén, Erik

Journal:

Materials Science Forum

Year:

2004

File:

PDF, 380 KB

2004

16

Structural Examination of Multilayer CrAlSiN/AlSiN Coatings Deposited by Cathodic Arc

Chaliampalias, Dimitrios, Pliatsikas, Nikolaos, Pavlidou, Eleni, Kolaklieva, Lilyana, Kakanakov, Roumen, Vouroutzis, Nikolaos, Patsalas, Panos, Vourlias, George, Polychroniadis, Efstathios K.

Journal:

Journal of Nano Research

Year:

2017

Language:

english

File:

PDF, 1.62 MB

english, 2017

17

The role of the Ti and Mo barrier layer in Ti/Al metallization to AlGaN/GaN heterostructures at identical process conditions: a structural and chemical characterization

Chandran, Narendraraj, Kolakieva, Lilyana, Kakanakov, Roumen, Polychroniadis, E K

Journal:

Semiconductor Science and Technology

Year:

2015

Language:

english

File:

PDF, 2.12 MB

english, 2015

18

Characteristics of Ni Schottky Contacts on Compensated 4H-SiC Layers

Kasamakova-Kolaklieva, L., Yakimova, Rositza, Kakanakov, Roumen, Kakanakova-Georgieva, A., Syväjärvi, Mikael, Janzén, Erik

Journal:

Materials Science Forum

Year:

2003

Language:

english

File:

PDF, 184 KB

english, 2003

19

Nanolayered Au/Ti/Al Ohmic Contacts to P-Type SiC: Electrical, Morphological and Chemical Properties Depending on the Contact Composition

Kolaklieva, Lilyana, Kakanakov, Roumen, Avramova, Iva, Marinova, Ts.

Journal:

Materials Science Forum

Year:

2007

Language:

english

File:

PDF, 1.00 MB

english, 2007

20

Improved Al/Si ohmic contacts to p-type 4H-SiC

Roumen Kakanakov, Liliana Kassamakova, Ivan Kassamakov, Konstantinos Zekentes, Nikolay Kuznetsov

Journal:

Materials Science and Engineering: B

Year:

2001

Language:

english

File:

PDF, 165 KB

english, 2001

21

P-n Junction Periphery Protection of 4H-SiC Power p-i-n Diodes Using Epitaxy and Dry Etching

Sarov, G., Cholakova, T., Kakanakov, Roumen

Journal:

Materials Science Forum

Year:

2004

Language:

english

File:

PDF, 191 KB

english, 2004

22

High-Quality GaInAsSb and GaAlAsSb Layers for Thermophotovoltaics Grown by Liquid-Phase Epitaxy

Milanova, M., Kakanakov, Roumen, Koleva, G., Vitanov, P., Bakardjieva, V., Zamoryanskaya, M.V., Popova, T.P.

Journal:

Solid State Phenomena

Year:

2010

Language:

english

File:

PDF, 1.29 MB

english, 2010

23

Structural Analysis of Au/Ti/Al/SiC Contacts in Dependence on the Initial Composition and Annealing

Kolaklieva, Lilyana, Kakanakov, Roumen, Marinova, Maya, Polychroniadis, Efstathios K.

Journal:

Journal of Nano Research

Year:

2010

Language:

english

File:

PDF, 690 KB

english, 2010

24

Thermostable Ohmic Contacts on p-Type SiC

Kassamakova, Liliana, Kakanakov, Roumen, Nordell, Nils, Savage, Susan

Journal:

Materials Science Forum

Year:

1998

File:

PDF, 289 KB

1998

25

The Reactive Neutral Beam Etching of SiC and its Application in p-n Junction Periphery Protection

Sarov, G., Cholakova, T., Kakanakov, Roumen

Journal:

Materials Science Forum

Year:

2005

Language:

english

File:

PDF, 191 KB

english, 2005

26

Al/Si Ohmic Contacts to p-Type 4H-SiC for Power Devices

Kassamakova, Liliana, Kakanakov, Roumen, Kassamakov, Ivan, Nordell, Nils, Savage, Susan, Svedberg, Erik B., Madsen, Lynnette D.

Journal:

Materials Science Forum

Year:

2000

File:

PDF, 344 KB

2000

27

Origin of the Excellent Thermal Stability of Al/Si-Based Ohmic Contacts to p-Type LPE 4H-SiC

Kassamakova, Liliana, Kakanakov, Roumen, Kassamakov, Ivan, Zekentes, K., Tsagaraki, Katerina, Atanasova, Genoveva

Journal:

Materials Science Forum

Year:

2001

File:

PDF, 407 KB

2001

28

Pd-Based Ohmic Contacts to LPE 4H-SiC with Improved Thermal Stability

Kassamakova-Kolaklieva, L., Kakanakov, Roumen, Cimalla, Volker, Hristeva, N., Lepoeva, G., Kuznetsov, N.I., Zekentes, K.

Journal:

Materials Science Forum

Year:

2003

Language:

english

File:

PDF, 583 KB

english, 2003

29

High Temperature and High Power Stability Investigation of Al-Based Ohmic Contacts to p-Type 4H-SiC

Kakanakov, Roumen, Kasamakova-Kolaklieva, L., Hristeva, N., Lepoeva, G., Gomes, J.B., Avramova, Iva, Marinova, Ts.

Journal:

Materials Science Forum

Year:

2004

Language:

english

File:

PDF, 846 KB

english, 2004

30

Mechanical, wear and corrosion behavior of CrN/TiN multilayer coatings deposited by low temperature unbalanced magnetron sputtering for biomedical applications

Rabadzhiyska, Stanislava, Kolaklieva, Lilyana, Chitanov, Vasiliy, Cholakova, Tetiana, Kakanakov, Roumen, Dimcheva, Nina, Balashev, Konstantin

Journal:

Materials Today: Proceedings

Year:

2018

File:

PDF, 1.82 MB

2018

31

Study of the mechanical properties of Ti-and Cr-based multicomponent hard coatings

Cholakova, Tetiana, Chitanov, Vasilliy, Kolaklieva, Lilyana, Kakanakov, Roumen, Balashev, Konstantin, Ranguelov, Bogdan, Rupetchov, Velko, Mishev, Georgi, Vassilev, V.M., Nikolov, S.G., Datcheva, M.D.

Journal:

MATEC Web of Conferences

Year:

2018

Language:

english

File:

PDF, 638 KB

english, 2018

32

Composition and Interface Chemistry Dependence in Ohmic Contacts to GaN HEMT Structures on the Ti/Al Ratio and Annealing Conditions

Kolaklieva, Lilyana, Kakanakov, Roumen, Stefanov, P., Cimalla, Volker, Maroldt, S., Ambacher, Oliver, Tonisch, Katja, Niebelschütz, Florentina

Journal:

Materials Science Forum

Year:

2009

Language:

english

File:

PDF, 920 KB

english, 2009

33

Al-Free Nanolayered Metallization Systems for Sub-Micron HEMTs

Kolaklieva, Lilyana, Chitanov, V., Kakanakov, Roumen

Journal:

Journal of Nano Research

Year:

2012

Language:

english

File:

PDF, 1.54 MB

english, 2012

34

Mechanical, wear and corrosion behavior of CrN/TiN multilayer coatings deposited by low temperature unbalanced magnetron sputtering for biomedical applications

Rabadzhiyska, Stanislava, Kolaklieva, Lilyana, Chitanov, Vasiliy, Cholakova, Tetiana, Kakanakov, Roumen, Dimcheva, Nina, Balashev, Konstantin

Journal:

Materials Today: Proceedings

Year:

2018

Language:

english

File:

PDF, 1.82 MB

english, 2018

35

Effect of the Metal Composition on the Electrical and Thermal Properties of Au/Pd/Ti/Pd Contacts to p-Type SiC

Kolaklieva, Lilyana, Kakanakov, Roumen, Marinova, Ts., Lepoeva, G.

Journal:

Materials Science Forum

Year:

2005

Language:

english

File:

PDF, 573 KB

english, 2005

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