Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2020Fabrication of AlGaAs/GaAs/diamond heterojunctions for diamond-collector HBTs
Cho, S.J.; Liu, D.; Hardy, A.; Kim, J.; Gong, J.; Herrera-Rodriguez, C.J.; Swinnich, E.; Konstantinou, X.; Oh, G.-Y.; Kim, D.G.; Shin, J.C.; Papapolymerou, J.; Becker, M.; Seo, J.-H.; Albrecht, J.D.; Grotjohn, T.A.; Ma, Z.
Zeitschriftenaufsatz
2020High-power RF characterization of diamond schottky barrier diodes at X-band
Konstantinou, X.; Herrera-Rodriquez, C.J.; Hardy, A.; Albrecht, J.D.; Grotjohn, T.; Papapolymerou, J.
Konferenzbeitrag
2020A Monolithic RF Lowpass Filter on Diamond via Additive Manufacturing
Konstantinou, X.; Craton, M.T.; Herrera-Rodriguez, C.J.; Hardy, A.; Albrecht, J.D.; Grotjohn, T.; Papapolymerou, J.
Konferenzbeitrag
2020A Monolithic Wilkinson Power Divider on Diamond via a Combination of Additive Manufacturing and Thin-Film Process
Konstantinou, X.; Herrera-Rodriguez, C.J.; Craton, M.T.; Hardy, A.; Crump, C.; Albrecht, J.D.; Fan, Q.H.; Grotjohn, T.; Papapolymerou, J.
Konferenzbeitrag
2019Enhancement of Ohmic heating by Hall current in magnetized capacitively coupled discharges
Zheng, B.C.; Wang, K.; Grotjohn, T.; Schuelke, T.; Fan, Q.H.
Zeitschriftenaufsatz
2019Toward Diamond-Collector Heterojunction Bipolar Transistors via grafted GaAs-Diamond n-p junction
Liu, D.; Cho, S.J.; Hardy, A.; Kim, J.; Herrera-Rodriguez, C.J.; Swinnich, E.; Baboli, M.A.; Gong, J.; Konstantinou, X.; Papapolymerou, J.; Mohseni, P.K.; Becker, M.; Seo, J.-H.; Albrecht, J.D.; Grotjohn, T.; Ma, Z.
Konferenzbeitrag
2017Barrier-Layer Optimization for Enhanced GaN-on-Diamond Device Cooling
Zhou, Y.; Anaya, J.; Pomeroy, J.; Sun, H.R.; Gu, X.; Xie, A.D.; Beam, E.; Becker, M.; Grotjohn, T.A.; Lee, C.; Kuball, M.
Zeitschriftenaufsatz
2017RF characterization of coplanar waveguide (CPW) transmission lines on single-crystalline diamond platform for integrated high power RF electronic systems
He, Y.; Becker, M.; Grotjohn, T.; Hardy, A.; Muehle, M.; Schuelke, T.; Papapolymerou, J.
Konferenzbeitrag
2015Fabrication and characterization of a corner architecture Schottky barrier diode structure
Nicley, S.; Zajac, S.; Rechenberg, R.; Becker, M.; Hardy, A.; Schuelke, T.; Grotjohn, T.A.
Zeitschriftenaufsatz
2014The effect of substrate temperature and growth rate on the doping efficiency of single crystal boron doped diamond
Demlow, S.N.; Rechenberg, R.; Grotjohn, T.
Zeitschriftenaufsatz
2014Heavy phosphorus doping by epitaxial growth on the (111) diamond surface
Grotjohn, T.A.; Tran, D.T.; Yaran, M.K.; Demlow, S.N.; Schuelke, T.
Zeitschriftenaufsatz
2014Progress on preferential etching and phosphorus doping of single crystal diamond
Grotjohn, T.A.; Tran, D.T.; Yaran, M.K.; Schuelke, T.
Zeitschriftenaufsatz
2013Diamond polishing
Schuelke, T.; Grotjohn, T.A.
Zeitschriftenaufsatz
2013Experimentally defining the safe and efficient, high pressure microwave plasma assisted CVD operating regime for single crystal diamond synthesis
Lu, J.; Gu, Y.; Grotjohn, T.A.; Schuelke, T.; Asmussen, J.
Zeitschriftenaufsatz
2013Hall effect measurement system for characterization of doped single crystal diamond
Berkun, I.; Demlow, S.N.; Suwanmonkha, N.; Hogan, T.P.; Grotjohn, T.A.
Konferenzbeitrag
2012Advances in plasma synthesis of UNCD films
Asmussen, J.; Grotjohn, T.A.; Schuelke, T.
Aufsatz in Buch
2012Dopant uniformity and concentration in boron doped single crystal diamond films
Demlow, S.N.; Berkun, I.; Becker, M.; Hogan, T.; Grotjohn, T.A.
Konferenzbeitrag
2012Microwave plasma reactor design for high pressure and high power density diamond synthesis
Gu, Y.; Lu, J.; Grotjohn, T.; Schuelke, T.; Asmussen, J.
Zeitschriftenaufsatz
2012SiO2 antireflection layers for single-crystal diamond
Reinhard, D.K.; Tran, D.T.; Schuelke, T.; Becker, M.F.; Grotjohn, T.A.; Asmussen, J.
Zeitschriftenaufsatz
2011Determination of boron concentration in doped diamond films
Demlow, S.N.; Grotjohn, T.A.; Hogan, T.; Becker, M.; Asmussen, J.
Konferenzbeitrag
2010Improved microwave plasma cavity reactor for diamond synthesis at high-pressure and high power density
Hemawan, K.W.; Grotjohn, T.A.; Reinhard, D.K.; Asmussen, J.
Zeitschriftenaufsatz
2010Investigation of mask selectivities and diamond etching using microwave plasma-assisted etching
Tran, D.T.; Fansler, C.; Grotjohn, T.A.; Reinhard, D.K.; Asmussen, J.
Konferenzbeitrag
2010Single crystal boron-doped diamond synthesis
Grotjohn, T.A.; Nicley, S.; Iran, D.; Reinhard, D.K.; Becker, M.; Asmussen, J.
Konferenzbeitrag
2009Compact microwave re-entrant cavity applicator for plasma-assisted combustion
Hemawan, K.W.; Wichman, I.S.; Lee, T.; Grotjohn, T.A.; Asmussen, J.
Zeitschriftenaufsatz
2009A compact microwave reentrant cavity applicator for plasma-assisted combustion
Hemawan, K.W.; Grotjohn, T.A.; Asmussen, J.
Konferenzbeitrag
2009Deposition of thick boron-doped homoepitaxial single crystal diamond by microwave plasma chemical vapor deposition
Ramamurti, R.; Becker, M.; Schuelke, T.; Grotjohn, T.A.; Reinhard, D.K.; Asmussen, J.
Zeitschriftenaufsatz
2009Microwave plasma-assisted diamond synthesis reactor design for large deposition areas at high rates
Hemawan, K.W.; Gu, Y.; Lu, J.; Grotjohn, T.A.; Asmussen, J.
Konferenzbeitrag
2009A miniature microwave plasma source used for localized surface treatment and processing
Narendra, J.J.; Grotjohn, T.A.; Asmussen, J.
Konferenzbeitrag
2008Boron doped diamond deposited by microwave plasma-assisted CVD at low and high pressures
Ramamurti, R.; Becker, M.; Schuelke, T.; Grotjohn, T.; Reinhard, D.; Swain, G.; Asmussen, J.
Zeitschriftenaufsatz
2008Investigation of diamond deposition uniformity and quality for freestanding film and substrate applications
Zuo, S.S.; Yaran, M.K.; Grotjohn, T.A.; Reinhard, D.K.; Asmussen, J.
Zeitschriftenaufsatz
2008Microstripline applicators for creating microplasma discharges with microwave energy
Narendra, J.J.; Grotjohn, T.A.; Asmussen, J.
Zeitschriftenaufsatz
2008Microwave plasma-assisted etching of diamond
Tran, D.T.; Grotjohn, T.A.; Reinhard, D.K.; Asmussen, J.
Zeitschriftenaufsatz
2008Multiple substrate microwave plasma-assisted chemical vapor deposition single crystal diamond synthesis
Asmussen, J.; Grotjohn, T.A.; Schuelke, T.; Becker, M.F.; Yaran, M.K.; King, D.J.; Wicklein, S.; Reinhard, D.K.
Zeitschriftenaufsatz
2008Scaling the microwave plasma-assisted chemical vapor diamond deposition process to 150-200 mm substrates
King, D.; Yaran, M.K.; Schuelke, T.; Grotjohn, T.A.; Reinhard, D.K.; Asmussen, J.
Konferenzbeitrag
2008Synthesis of boron-doped homoepitaxial single crystal diamond by microwave plasma chemical vapor deposition
Ramamurti, R.; Becker, M.; Schuelke, T.; Grotjohn, T.; Reinhard, D.; Asmussen, J.
Zeitschriftenaufsatz
2007Guest editorial special issue on plenary and invited papers from ICOPS 2006
Asmussen, J.; Grotjohn, T.A.; Schuelke, T.
Editorial
2006Extending the 3 omega-method to the MHz range for thermal conductivity measurements of diamond thin films
Ahmed, S.; Liske, R.; Wunderer, T.; Leonhardt, M.; Ziervogel, R.; Fansler, C.; Grotjohn, T.; Asmussen, J.; Schuelke, T.
Konferenzbeitrag
2006Microwave plasma-assisted premixed flame combustion
Hemawan, K.W.; Romel, C.L.; Zuo, S.; Wichman, I.S.; Grotjohn, T.A.; Asmussen, J.
Zeitschriftenaufsatz
2006Synthesis of thick, uniform, smooth ultrananocrystalline diamond films by microwave plasma-assisted chemical vapor deposition
Huang, W.S.; Tran, D.T.; Asmussen, J.; Grotjohn, T.A.; Reinhard, D.
Konferenzbeitrag
2006Synthesis of ultrananocrystalline diamond films by microwave plasma-assisted chemical vapor deposition
Tran, D.T.; Huang, W.S.; Asmussen, J.; Grotjohn, T.A.; Reinhard, D.K.
Zeitschriftenaufsatz
2004Fabrication and properties of ultranano, nano, and microcrystalline diamond membranes and sheets
Reinhard, D.K.; Grotjohn, T.A.; Becker, M.; Yaran, M.K.; Schuelke, T.; Asmussen, J.
Zeitschriftenaufsatz