Search Results - "Herro, Z. G."

Seeded growth of AlN single crystals by physical vapor transport by Zhuang, D., Herro, Z.G., Schlesser, R., Sitar, Z.

“…Seeded growth of AlN single crystals was achieved in an induction-heated, high-temperature reactor. The growth process was based on physical vapor transport…”
Get full text

Growth of AlN single crystalline boules by Herro, Z.G., Zhuang, D., Schlesser, R., Sitar, Z.

“…We have obtained high-quality, crack-free AlN wafers using a convex thermal field inside the growth chamber. Free-standing AlN boules of 15 mm in height and 15…”
Get full text

Effect of thermal environment evolution on AlN bulk sublimation crystal growth by Cai, D., Zheng, L.L., Zhang, H., Zhuang, D., Herro, Z.G., Schlesser, R., Sitar, Z.

“…To obtain a large and thick AlN single crystal during sublimation growth, it is very important to maintain the thermal environment suitable for growth inside…”
Get full text

Effective increase of single-crystalline yield during PVT growth of SiC by tailoring of temperature gradient by Herro, Z.G., Epelbaum, B.M., Bickermann, M., Masri, P., Winnacker, A.

“…The dependence of the single-crystalline yield on the thermal field during physical vapour transport growth of SiC was investigated systematically. It is shown…”
Get full text

Growth of 6H–SIC crystals along the [ 0 1 1 ¯ 5 ] direction by Herro, Z.G., Epelbaum, B.M., Bickermann, M., Seitz, C., Magerl, A., Winnacker, A.

“…We have investigated bulk growth of 6H–SiC crystals along the [ 0 1 1 ¯ 5 ] direction. The ( 0 1 1 ¯ 5 ) facet was obtained in a natural way during growth…”
Get full text

AFM investigation of interface step structures on PVT-grown (0001)Si 6H–SiC crystals by Herro, Z.G., Epelbaum, B.M., Weingärtner, R., Bickermann, M., Masri, P., Winnacker, A.

“…An AFM investigation of entire growth surfaces of PVT grown (0001)Si 6H–SiC crystals has revealed a number of typical growth interface structures. While step…”
Get full text

Seeded growth of AlN crystals on nonpolar seeds via physical vapor transport by ZHUANG, D, HERRO, Z. G, SCHLESSER, R, RAGHOTHAMACHAR, B, DUDLEY, M, SITAR, Z

“…Seeded growth of AlN single crystals was demonstrated in an induction-heated, high-temperature reactor via a physical vapor transport (PVT) process. AlN seeds…”
Get full text

Liquid phase homoepitaxial growth of 6H-SiC on ( 0 1 1 ¯ 5 ) oriented substrates by Filip, O., Epelbaum, B., Herro, Z.G., Bickermann, M., Winnacker, A.

“…Liquid phase epitaxy (LPE) of SiC from a diluted Si-based melt was performed on wafers with ( 0 1 1 ¯ 5 ) orientation on physical vapor transport (PVT) grown…”
Get full text

Seeded growth of AlN on N- and Al-polar 〈 0 0 0 1 〉 AlN seeds by physical vapor transport by Herro, Z.G., Zhuang, D., Schlesser, R., Collazo, R., Sitar, Z.

“…We demonstrated seeded growth of AlN on large-area Al- and N-polar <0 0 0 1>-oriented AlN seeds using the physical vapor transport method (PVT). In both cases,…”
Get full text

Orientation-dependent phonon observation in single-crystalline aluminum nitride by Bickermann, M., Epelbaum, B. M., Heimann, P., Herro, Z. G., Winnacker, A.

“…In this study, we present a microspectroscopic investigation performed on different facets of a self-nucleated aluminum nitride (AlN) single crystal. We show…”
Get full text

Investigation of mass transport during PVT growth of SiC by 13C labeling of source material by Herro, Z.G., Wellmann, P.J., Püsche, R., Hundhausen, M., Ley, L., Maier, M., Masri, P., Winnacker, A.

“…We have investigated experimentally mass transport during physical vapor transport growth of silicon carbide (SiC). 13C was used as trace in order to determine…”
Get full text

Seeded Growth of AIN Crystals on Nonpolar Seeds via Physical Vapor Transport by Zhuang, D, Herro, Z G, Schlesser, R, Raghothamachar, B

“…Seeded growth of AlN single crystals was demonstrated in an induction-heated, high-temperature reactor via a physical vapor transport (PVT) process. AlN seeds…”
Get full text

Seeded growth of AlN on N- and Al-polar AlN seeds by physical vapor transport by Herro, Z G, Zhuang, D, Schlesser, R, Collazo, R, Sitar, Z

“…We demonstrated seeded growth of AlN on large-area Al- and N-polar < 0001 > -oriented AlN seeds using the physical vapor transport method (PVT). In both cases,…”
Get full text

Lattice-plane curvature and small-angle grain boundaries in SiC bulk crystals by Hock, Rainer, Herro, Ziad G., Magerl, Andreas, Epelbaum, Boris M., Seitz, Christoph

“…SiC crystals grown by the physical vapour transport process along the [001] direction show a curvature of the crystal growth front in correspondence with the…”
Get full text