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Thomas Gessner
Fraunhofer Society
Analytical chemistryWaferMaterials scienceElectronic engineeringMicroelectromechanical systems
405Publications
24H-index
3,247Citations
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Publications 376
Newest
#1Geoffrey E. Purdum (Princeton University)H-Index: 10
#2Xiangyu Chen (Cornell University)H-Index: 1
Last. Yueh-Lin LooH-Index: 47
view all 10 authors...
Controlling hierarchical structural development in organic semiconductors, and across synthetic materials more broadly, is critical to the performance of the material in device applications. Such regulation across multiple scales – from the atomic level to the macroscale – however, is a challenging task given the often-heterogeneous nature of interactions in the processing environment that determines the kinetics and thermodynamics of materials growth. Here, we elucidate factors that govern the ...
1 CitationsSource
#1Geoffrey E. Purdum (Princeton University)H-Index: 10
#2Nicholas Telesz (UK: University of Kentucky)H-Index: 2
Last. Yueh-Lin Loo (Princeton University)H-Index: 47
view all 17 authors...
Polymorphism is pervasive in molecular solids. While computational predictions of the molecular polymorphic landscape have improved significantly, identifying which polymorphs are preferentially accessed and experimentally stable remains a challenge. We report a framework that correlates short intermolecular contacts with polymorphic stability. The presence of short contacts between neighboring molecules prevents structural rearrangement and stabilizes the packing arrangement, even when the stab...
4 CitationsSource
#1Julia Hann (Chemnitz University of Technology)
#2Christian Helke (Chemnitz University of Technology)H-Index: 1
Last. Thomas Gessner (Chemnitz University of Technology)H-Index: 24
view all 8 authors...
Abstract DNA origami method aims at the construction of nanometer sized bio-templates from a long single-stranded DNA molecule [1] , [2] . It allows to build a variety of different structures and functionalities arranged with a resolution of about 1 nm for devices like plasmonic antennas or optical waveguides [3] . Our contribution deals with the immobilization of DNA origami templates in well-defined micrometer structures on 6-inch silicon wafers aiming a large-scale fabrication. We present a p...
Source
#1Steffen Hartmann (Chemnitz University of Technology)H-Index: 4
#2Sascha Hermann (Chemnitz University of Technology)H-Index: 11
Last. Bernhard Wunderle (Chemnitz University of Technology)H-Index: 18
view all 10 authors...
Abstract In this paper we present results of our recent efforts to understand the mechanical interface behaviour of single-walled carbon nanotubes (SWCNTs) embedded in metal matrices. We conducted experimental pull-out tests of SWCNTs embedded in Pd and found maximum forces in the range F ≈ (10 to 65) nN. These values are in good agreement with forces obtained from molecular dynamics simulations taking into account surface functional groups (SFGs) covalently linked to the SWCNT material. The dom...
3 CitationsSource
#1Khaybar Assim (Chemnitz University of Technology)H-Index: 4
#2Janine Jeschke (Chemnitz University of Technology)H-Index: 5
Last. Heinrich Lang (Chemnitz University of Technology)H-Index: 46
view all 9 authors...
Abstract The synthesis of compounds [Mn( η 5 –C 5 H 4 SiMe 3 )(CO) 3 ] ( 1 ), [Mn( η 5 –C 5 H 3 -1-SiMe 3 -3-Me)(CO) 3 ] ( 2 ), [Mn( η 5 –C 5 H 4 t Bu)(CO) 3 ] ( 3 ), [Mn( η 5 –C 5 Me 5 )(CO) 3 ] ( 4 ) and [Mn( η 5 –C 5 H 7 )(CO) 3 ] ( 5 ) and their potential use as metal-organic chemical vapor deposition (MOCVD) precursors for the deposition of manganese-based layers is reported. The thermal behavior of 1 – 5 was studied by thermogravimetry showing that these compounds evaporate in the temperat...
2 CitationsSource
#1Simon Böttger (Chemnitz University of Technology)H-Index: 3
#2Sascha Hermann (Chemnitz University of Technology)H-Index: 11
Last. Thomas Gessner (Chemnitz University of Technology)H-Index: 24
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For an industrial realization of devices based on single-walled carbon nanotube (SWCNTs) such as field-effect transistors (FETs) it becomes increasingly important to consider technological aspects such as intrinsic device structure, integration process controllability as well as yield. From the perspective of a wafer-level integration technology, the influence of SWCNT length on the performance of short-channel CNT–FETs is demonstrated by means of a statistical and comparative study. Therefore, ...
2 CitationsSource
#1Thomas GessnerH-Index: 24
#2Lutz Hofmann (Fraunhofer Society)H-Index: 8
Last. Stefan SchulzH-Index: 34
view all 7 authors...
This paper describes selected technologies for the 3D integration of MEMS devices. This comprises a Via Last approach for the formation of MEMS TSVs and a Cu based thermo-compression bonding method for the realization of small 3D-WLP devices. Moreover, the Aerosol Jet technique is discussed as method for the final assembly by means of printing conducting lines over 3D topography.
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#1Sascha GeidelH-Index: 1
Last. Victor ParroH-Index: 10
view all 9 authors...
While there have been huge advances in the field of biosensors during the last decade, their integration into a microfluidic environment avoiding external tubing and pumping is still neglected. Herein, we show a new microfluidic design that integrates multiple reservoirs for reagent storage and single-use electrochemical pumps for time-controlled delivery of the liquids. The cartridge has been tested and validated with a silicon nitride-based photonic biosensor incorporating multiple optical rin...
7 CitationsSource
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