Afiliat la Universitatea Christian- Albrechts din Kiel

2007 - 1

Formation of metal wire arrays via electrodeposition in pores of Si, Ge and III-V semiconductors

Fang Cheng , Foca Eugen , Sîrbu Lilian , Carstensen Juergen , Foll Helmut , Tighineanu Ion

Physica Status Solidi (A) Applications and Materials Science

Vol. 204, / 2007 / ISSN 1862-6300

Disponibil online 10 April, 2018

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2006 - 2

Photonic crystals as host material for a new generation of microwave components

Daschner Frank , Knochel Reinhard , Foca Eugen , Carstensen Juergen , Sergentu Vladimir , Foll Helmut , Tighineanu Ion

Advances in Radio Science

Vol. 4, / 2006 / ISSN 1684-9965

Disponibil online 11 April, 2018

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Strongly frequency dependent focusing efficiency of a concave lens based on two-dimensional photonic crystals

Foca Eugen , Foll Helmut , Carstensen Juergen , Sergentu Vladimir , Tighineanu Ion , Daschner Frank , Knoechel Reinhard H.

Applied Physics Letters

Vol. 88, / 2006 / ISSN 0003-6951

Disponibil online 11 April, 2018

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2005 - 8

Nucleation and growth of macro pores on (100) n-type Ge

Langa Sergiu , Carstensen Juergen , Tighineanu Ion , Foll Helmut

Physica Status Solidi C: Conferences

Vol. 2, / 2005 / ISSN 1610-1634

Disponibil online 23 July, 2023

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Uniform and nonuniform nucleation of pores during the anodization of Si, Ge, and III-V semiconductors

Langa Sergiu , Carstensen Juergen , Christophersen Marc , Steen K. , Frey Stefan , Tighineanu Ion , Foll Helmut

Journal of the Electrochemical Society

Vol. 152, / 2005 / ISSN 0013-4651

Disponibil online 12 April, 2018

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Engineering the morphology of porous InP for waveguide applications

Langa Sergiu , Lolkes Stefan , Carstensen Juergen , Hermann Martin , Bottger Gunnar , Tighineanu Ion , Foll Helmut

Physica Status Solidi C: Conferences

Vol. 2, / 2005 / ISSN 1610-1634

Disponibil online 23 July, 2023

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Efficient focusing with a concave lens based on a photonic crystal with an unusual effective index of refraction

Foca Eugen , Foll Helmut , Daschner Frank , Sergentu Vladimir , Carstensen Juergen , Frey Stefan , Knoechel Reinhard H. , Tighineanu Ion

Physica Status Solidi (A) Applications and Materials Science

Vol. 202, / 2005 / ISSN 1862-6300

Disponibil online 13 April, 2018

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Morphology and chemical composition microanalysis of 2D and 3D ordered structures on porous InP

Langa Sergiu , Sîrbu Lilian , Monaico Eduard , Carstensen Juergen , Foll Helmut , Tighineanu Ion

Physica Status Solidi (A) Applications and Materials Science

Vol. 202, / 2005 / ISSN 1862-6300

Disponibil online 4 October, 2023

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Waveguide structures based on porous indium phosphide

Langa Sergiu , Frey Stefan , Carstensen Juergen , Foll Helmut , Tighineanu Ion , Hermann Martin , Bottger Gunnar

Electrochemical and Solid-State Letters

Vol. 8, / 2005 / ISSN 1099-0062

Disponibil online 13 April, 2018

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Photonic crystals with unusual index of refraction as metamaterials for an efficient concave lens

Foca Eugen , Carstensen Juergen , Foll Helmut , Daschner Frank , Knochel Reinhard , Sergentu Vladimir , Tighineanu Ion

Optics InfoBase Conference Papers

2005. Washington, D.C.. Optical Society of America (OSA). 0-0.

Disponibil online 29 January, 2024

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Efficient focusing with an ultra-low effective-index lens based on photonic crystals

Foca Eugen , Foll Helmut , Daschner Frank , Sergentu Vladimir , Carstensen Juergen , Knochel Reinhard , Tighineanu Ion

Materials Research Society Symposium - Proceedings

Vol. 869. 2005. Warrendale, Pennsylvania. Materials Research Society. 71-76.

Disponibil online 31 January, 2024

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2004 - 1

Focusing effect of photonic crystal concave lenses made from porous dielectrics

Sergentu Vladimir , Foca Eugen , Langa Sergiu , Carstensen Juergen , Foll Helmut , Tighineanu Ion

Physica Status Solidi (A) Applied Research

Vol. 201, / 2004 / ISSN 0031-8965 / ISSNe 1521-396X

Disponibil online 20 November, 2023

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2003 - 4

Self-organized growth of single crystals of nanopores

Langa Sergiu , Tighineanu Ion , Carstensen Juergen , Christophersen Marc , Foll Helmut

Applied Physics Letters

Vol. 82, / 2003 / ISSN 0003-6951

Disponibil online 15 June, 2023

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Electrochemical pore etching in Ge

Langa Sergiu , Christophersen Marc , Carstensen Juergen , Tighineanu Ion , Foll Helmut

Physica Status Solidi (A) Applied Research

Vol. 195, / 2003 / ISSN 0031-8965 / ISSNe 1521-396X

Disponibil online 20 November, 2023

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Engineering porous III-Vs

Foll Helmut , Langa Sergiu , Carstensen Juergen , Lolkes Stefan , Christophersen Marc , Tighineanu Ion

III-Vs Review

Vol. 16, / 2003 / ISSN 0961-1290

Disponibil online 13 February, 2024

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Pores in III-V semiconductors

Foll Helmut , Langa Sergiu , Carstensen Juergen , Christophersen Marc , Tighineanu Ion

Advanced Materials

Vol. 15, / 2003 / ISSN 0935-9648 / ISSNe 1521-4095

Disponibil online 28 June, 2023

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2002 - 1

Formation of tetrahedron-like pores during anodic etching of (100) oriented n-GaAs

Langa Sergiu , Carstensen Juergen , Tighineanu Ion , Christophersen Marc , Foll Helmut

Electrochemical and Solid-State Letters

Vol. 5, / 2002 / ISSN 1099-0062

Disponibil online 16 January, 2024

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2001 - 3

Observation of crossing pores in anodically etched n-gaas

Langa Sergiu , Carstensen Juergen , Christophersen Marc , Foll Helmut , Tighineanu Ion

Applied Physics Letters

Vol. 78, / 2001 / ISSN 0003-6951

Disponibil online 15 June, 2023

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Comparative SEM and cathodoluminescence microanalysis of porous GaP structures

Stevens-Kalceff Marion A. , Langa Sergiu , Tighineanu Ion , Carstensen Juergen , Christophersen Marc , Foll Helmut

Materials Research Society Symposium - Proceedings

Vol. 638. 2001. Warrendale, Pennsylvania. Materials Research Society. 5311-5316.

Disponibil online 22 January, 2024

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Self-induced voltage oscillations during anodic etching of n-InP and possible applications for three-dimensional microstructures

Langa Sergiu , Carstensen Juergen , Tighineanu Ion , Christophersen Marc , Foll Helmut

Electrochemical and Solid-State Letters

Vol. 4, / 2001 / ISSN 1099-0062

Disponibil online 16 January, 2024

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