公开(公告)号：US20130032783A1

公开(公告)日：2013-02-07

申请号：US13647952

申请日：2012-10-09

申请人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Mark Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been Y. Jin ,  Robert S. Chau

发明人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Mark Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been Y. Jin ,  Robert S. Chau

IPC分类号： H01L29/78 ,  H01L29/06 ,  H01L21/336

CPC分类号： H01L29/775 ,  B82Y10/00 ,  H01L21/76 ,  H01L29/0653 ,  H01L29/1054 ,  H01L29/155 ,  H01L29/165 ,  H01L29/267 ,  H01L29/517 ,  H01L29/66431 ,  H01L29/66439 ,  H01L29/66477 ,  H01L29/66795 ,  H01L29/66977 ,  H01L29/7782 ,  H01L29/7849 ,  H01L29/785 ,  H01L29/7851

摘要： Techniques are disclosed for forming a non-planar germanium quantum well structure. In particular, the quantum well structure can be implemented with group IV or III-V semiconductor materials and includes a germanium fin structure. In one example case, a non-planar quantum well device is provided, which includes a quantum well structure having a substrate (e.g. SiGe or GaAs buffer on silicon), a IV or III-V material barrier layer (e.g., SiGe or GaAs or AlGaAs), a doping layer (e.g., delta/modulation doped), and an undoped germanium quantum well layer. An undoped germanium fin structure is formed in the quantum well structure, and a top barrier layer deposited over the fin structure. A gate metal can be deposited across the fin structure. Drain/source regions can be formed at respective ends of the fin structure.

摘要翻译： 公开了用于形成非平面锗量子阱结构的技术。 特别地，量子阱结构可以用IV或III-V族半导体材料实现，并且包括锗鳍结构。 在一个示例性情况下，提供了非平面量子阱器件，其包括具有衬底（例如硅上的SiGe或GaAs缓冲器），IV或III-V材料阻挡层（例如，SiGe或GaAs或 AlGaAs），掺杂层（例如，掺杂Δ/调制）和未掺杂的锗量子阱层。 在量子阱结构中形成未掺杂的锗鳍结构，以及沉积在鳍结构上的顶部势垒层。 栅极金属可以跨鳍片结构沉积。 排水/源极区域可以形成在翅片结构的相应端部处。

公开(公告)号：US20140103397A1

公开(公告)日：2014-04-17

申请号：US14141648

申请日：2013-12-27

申请人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been Y. Jin ,  Robert S. Chau

发明人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been Y. Jin ,  Robert S. Chau

IPC分类号： H01L29/66 ,  H01L29/78

CPC分类号： H01L29/775 ,  B82Y10/00 ,  H01L21/76 ,  H01L29/0653 ,  H01L29/1054 ,  H01L29/155 ,  H01L29/165 ,  H01L29/267 ,  H01L29/517 ,  H01L29/66431 ,  H01L29/66439 ,  H01L29/66477 ,  H01L29/66795 ,  H01L29/66977 ,  H01L29/7782 ,  H01L29/7849 ,  H01L29/785 ,  H01L29/7851

摘要： Techniques are disclosed for forming a non-planar germanium quantum well structure. In particular, the quantum well structure can be implemented with group IV or III-V semiconductor materials and includes a germanium fin structure. In one example case, a non-planar quantum well device is provided, which includes a quantum well structure having a substrate (e.g. SiGe or GaAs buffer on silicon), a IV or III-V material barrier layer (e.g., SiGe or GaAs or AlGaAs), a doping layer (e.g., delta/modulation doped), and an undoped germanium quantum well layer. An undoped germanium fin structure is formed in the quantum well structure, and a top barrier layer deposited over the fin structure. A gate metal can be deposited across the fin structure. Drain/source regions can be formed at respective ends of the fin structure.

摘要翻译： 公开了用于形成非平面锗量子阱结构的技术。 特别地，量子阱结构可以用IV或III-V族半导体材料实现，并且包括锗鳍结构。 在一个示例性情况下，提供了非平面量子阱器件，其包括具有衬底（例如硅上的SiGe或GaAs缓冲器），IV或III-V材料阻挡层（例如，SiGe或GaAs或 AlGaAs），掺杂层（例如，掺杂Δ/调制）和未掺杂的锗量子阱层。 在量子阱结构中形成未掺杂的锗鳍结构，以及沉积在鳍结构上的顶部势垒层。 栅极金属可以跨鳍片结构沉积。 排水/源极区域可以形成在翅片结构的相应端部处。

公开(公告)号：US08575596B2

公开(公告)日：2013-11-05

申请号：US13647952

申请日：2012-10-09

申请人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been Y. Jin ,  Robert S. Chau

发明人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been Y. Jin ,  Robert S. Chau

IPC分类号： H01L31/00

CPC分类号： H01L29/775 ,  B82Y10/00 ,  H01L21/76 ,  H01L29/0653 ,  H01L29/1054 ,  H01L29/155 ,  H01L29/165 ,  H01L29/267 ,  H01L29/517 ,  H01L29/66431 ,  H01L29/66439 ,  H01L29/66477 ,  H01L29/66795 ,  H01L29/66977 ,  H01L29/7782 ,  H01L29/7849 ,  H01L29/785 ,  H01L29/7851

摘要： Techniques are disclosed for forming a non-planar germanium quantum well structure. In particular, the quantum well structure can be implemented with group IV or III-V semiconductor materials and includes a germanium fin structure. In one example case, a non-planar quantum well device is provided, which includes a quantum well structure having a substrate (e.g. SiGe or GaAs buffer on silicon), a IV or III-V material barrier layer (e.g., SiGe or GaAs or AlGaAs), a doping layer (e.g., delta/modulation doped), and an undoped germanium quantum well layer. An undoped germanium fin structure is formed in the quantum well structure, and a top barrier layer deposited over the fin structure. A gate metal can be deposited across the fin structure. Drain/source regions can be formed at respective ends of the fin structure.

摘要翻译： 公开了用于形成非平面锗量子阱结构的技术。 特别地，量子阱结构可以用IV或III-V族半导体材料实现，并且包括锗鳍结构。 在一个示例性情况下，提供了非平面量子阱器件，其包括具有衬底（例如硅上的SiGe或GaAs缓冲器），IV或III-V材料阻挡层（例如，SiGe或GaAs或 AlGaAs），掺杂层（例如，掺杂Δ/调制）和未掺杂的锗量子阱层。 在量子阱结构中形成未掺杂的锗鳍结构，以及沉积在鳍结构上的顶部势垒层。 栅极金属可以跨鳍片结构沉积。 排水/源极区域可以形成在翅片结构的相应端部处。

公开(公告)号：US08283653B2

公开(公告)日：2012-10-09

申请号：US12646477

申请日：2009-12-23

申请人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been Y. Jin ,  Robert S. Chau

发明人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been Y. Jin ,  Robert S. Chau

IPC分类号： H01L29/06

CPC分类号： H01L29/775 ,  B82Y10/00 ,  H01L21/76 ,  H01L29/0653 ,  H01L29/1054 ,  H01L29/155 ,  H01L29/165 ,  H01L29/267 ,  H01L29/517 ,  H01L29/66431 ,  H01L29/66439 ,  H01L29/66477 ,  H01L29/66795 ,  H01L29/66977 ,  H01L29/7782 ,  H01L29/7849 ,  H01L29/785 ,  H01L29/7851

摘要： Techniques are disclosed for forming a non-planar germanium quantum well structure. In particular, the quantum well structure can be implemented with group IV or III-V semiconductor materials and includes a germanium fin structure. In one example case, a non-planar quantum well device is provided, which includes a quantum well structure having a substrate (e.g. SiGe or GaAs buffer on silicon), a IV or III-V material barrier layer (e.g., SiGe or GaAs or AlGaAs), a doping layer (e.g., delta/modulation doped), and an undoped germanium quantum well layer. An undoped germanium fin structure is formed in the quantum well structure, and a top barrier layer deposited over the fin structure. A gate metal can be deposited across the fin structure. Drain/source regions can be formed at respective ends of the fin structure.

摘要翻译： 公开了用于形成非平面锗量子阱结构的技术。 特别地，量子阱结构可以用IV或III-V族半导体材料实现，并且包括锗鳍结构。 在一个示例性情况下，提供了非平面量子阱器件，其包括具有衬底（例如硅上的SiGe或GaAs缓冲器），IV或III-V材料阻挡层（例如，SiGe或GaAs或 AlGaAs），掺杂层（例如，掺杂Δ/调制）和未掺杂的锗量子阱层。 在量子阱结构中形成未掺杂的锗鳍结构，以及沉积在鳍结构上的顶部势垒层。 栅极金属可以跨鳍片结构沉积。 排水/源极区域可以形成在翅片结构的相应端部处。

公开(公告)号：US20110147711A1

公开(公告)日：2011-06-23

申请号：US12646477

申请日：2009-12-23

申请人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been Y. Jin ,  Robert S. Chau

发明人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been Y. Jin ,  Robert S. Chau

IPC分类号： H01L29/06 ,  H01L21/338

CPC分类号： H01L29/775 ,  B82Y10/00 ,  H01L21/76 ,  H01L29/0653 ,  H01L29/1054 ,  H01L29/155 ,  H01L29/165 ,  H01L29/267 ,  H01L29/517 ,  H01L29/66431 ,  H01L29/66439 ,  H01L29/66477 ,  H01L29/66795 ,  H01L29/66977 ,  H01L29/7782 ,  H01L29/7849 ,  H01L29/785 ,  H01L29/7851

摘要： Techniques are disclosed for forming a non-planar germanium quantum well structure. In particular, the quantum well structure can be implemented with group IV or III-V semiconductor materials and includes a germanium fin structure. In one example case, a non-planar quantum well device is provided, which includes a quantum well structure having a substrate (e.g. SiGe or GaAs buffer on silicon), a IV or III-V material barrier layer (e.g., SiGe or GaAs or AlGaAs), a doping layer (e.g., delta/modulation doped), and an undoped germanium quantum well layer. An undoped germanium fin structure is formed in the quantum well structure, and a top barrier layer deposited over the fin structure. A gate metal can be deposited across the fin structure. Drain/source regions can be formed at respective ends of the fin structure.

摘要翻译： 公开了用于形成非平面锗量子阱结构的技术。 特别地，量子阱结构可以用IV或III-V族半导体材料实现，并且包括锗鳍结构。 在一个示例性情况下，提供了非平面量子阱器件，其包括具有衬底（例如硅上的SiGe或GaAs缓冲器），IV或III-V材料阻挡层（例如，SiGe或GaAs或 AlGaAs），掺杂层（例如，掺杂Δ/调制）和未掺杂的锗量子阱层。 在量子阱结构中形成未掺杂的锗鳍结构，以及沉积在鳍结构上的顶部势垒层。 栅极金属可以跨鳍片结构沉积。 排水/源极区域可以形成在翅片结构的相应端部处。

公开(公告)号：US20140054548A1

公开(公告)日：2014-02-27

申请号：US14069880

申请日：2013-11-01

申请人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been-Yih Jin ,  Robert S. Chau

发明人： Ravi Pillarisetty ,  Jack T. Kavalieros ,  Willy Rachmady ,  Uday Shah ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Niloy Mukherjee ,  Gilbert Dewey ,  Been-Yih Jin ,  Robert S. Chau

IPC分类号： H01L29/775 ,  H01L21/76 ,  H01L29/66

CPC分类号： H01L29/775 ,  B82Y10/00 ,  H01L21/76 ,  H01L29/0653 ,  H01L29/1054 ,  H01L29/155 ,  H01L29/165 ,  H01L29/267 ,  H01L29/517 ,  H01L29/66431 ,  H01L29/66439 ,  H01L29/66477 ,  H01L29/66795 ,  H01L29/66977 ,  H01L29/7782 ,  H01L29/7849 ,  H01L29/785 ,  H01L29/7851

摘要： Techniques are disclosed for forming a non-planar germanium quantum well structure. In particular, the quantum well structure can be implemented with group IV or III-V semiconductor materials and includes a germanium fin structure. In one example case, a non-planar quantum well device is provided, which includes a quantum well structure having a substrate (e.g. SiGe or GaAs buffer on silicon), a IV or III-V material barrier layer (e.g., SiGe or GaAs or AlGaAs), a doping layer (e.g., delta/modulation doped), and an undoped germanium quantum well layer. An undoped germanium fin structure is formed in the quantum well structure, and a top barrier layer deposited over the fin structure. A gate metal can be deposited across the fin structure. Drain/source regions can be formed at respective ends of the fin structure.

公开(公告)号：US08785907B2

公开(公告)日：2014-07-22

申请号：US13722746

申请日：2012-12-20

申请人： Niti Goel ,  Niloy Mukherjee ,  Seung Hoon Sung ,  Van H. Le ,  Matthew V. Metz ,  Jack T. Kavalieros ,  Ravi Pillarisetty ,  Sanaz K. Gardner ,  Sansaptak Dasgupta ,  Willy Rachmady ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Gilbert Dewey ,  Marc C. French ,  Jessica Kachian ,  Satyarth Suri ,  Robert S. Chau

发明人： Niti Goel ,  Niloy Mukherjee ,  Seung Hoon Sung ,  Van H. Le ,  Matthew V. Metz ,  Jack T. Kavalieros ,  Ravi Pillarisetty ,  Sanaz K. Gardner ,  Sansaptak Dasgupta ,  Willy Rachmady ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Gilbert Dewey ,  Marc C. French ,  Jessica Kachian ,  Satyarth Suri ,  Robert S. Chau

IPC分类号： H01L29/06

CPC分类号： H01L21/764 ,  H01L21/02381 ,  H01L21/0245 ,  H01L21/02494 ,  H01L21/02507 ,  H01L21/02532 ,  H01L21/76232

摘要： An embodiment includes depositing a material onto a substrate where the material includes a different lattice constant than the substrate (e.g., III-V or IV epitaxial (EPI) material on a Si substrate). An embodiment includes an EPI layer formed within a trench having walls that narrow as the trench extends upwards. An embodiment includes an EPI layer formed within a trench using multiple growth temperatures. A defect barrier, formed in the EPI layer when the temperature changes, contains defects within the trench and below the defect barrier. The EPI layer above the defect barrier and within the trench is relatively defect free. An embodiment includes an EPI layer annealed within a trench to induce defect annihilation. An embodiment includes an EPI superlattice formed within a trench and covered with a relatively defect free EPI layer (that is still included in the trench). Other embodiments are described herein.

摘要翻译： 实施例包括将材料沉积到衬底上，其中材料包括与衬底（例如Si衬底上的III-V或IV外延（EPI）材料）不同的晶格常数。 一个实施例包括形成在沟槽内的EPI层，其具有随着沟槽向上延伸而变窄的壁。 实施例包括使用多个生长温度在沟槽内形成的EPI层。 当温度变化时，在EPI层中形成的缺陷屏障在沟槽内和缺陷屏障之下包含缺陷。 缺陷屏障之上和沟槽内的EPI层相对无缺陷。 一个实施方案包括在沟槽内退火以引发缺陷湮灭的EPI层。 一个实施例包括形成在沟槽内并覆盖有相对无缺陷的EPI层（仍包含在沟槽中）的EPI超晶格。 本文描述了其它实施例。

公开(公告)号：US20160204037A1

公开(公告)日：2016-07-14

申请号：US14777736

申请日：2013-06-28

申请人： Niti Goel ,  Ravi Pillarisetty ,  Willy Rachmady ,  Jack T. Kavalieros ,  Gilbert Dewey ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Matthew V. Metz ,  Niloy Mukherjee ,  Robert S. Chau

发明人： Niti Goel ,  Ravi Pillarisetty ,  Willy Rachmady ,  Jack T. Kavalieros ,  Gilbert Dewey ,  Benjamin Chu-Kung ,  Marko Radosavljevic ,  Matthew V. Metz ,  Niloy Mukherjee ,  Robert S. Chau

IPC分类号： H01L21/8238 ,  H01L21/762 ,  H01L21/02

CPC分类号： H01L21/823807 ,  H01L21/0245 ,  H01L21/02455 ,  H01L21/02502 ,  H01L21/02532 ,  H01L21/02538 ,  H01L21/02639 ,  H01L21/02647 ,  H01L21/76224 ,  H01L21/823431 ,  H01L21/823821 ,  H01L21/823878 ,  H01L27/0886 ,  H01L27/0924 ,  H01L29/0649 ,  H01L29/1054 ,  H01L29/267 ,  H01L29/66795

摘要： Different n- and p-types of device fins are formed by epitaxially growing first epitaxial regions of a first type material from a substrate surface at a bottom of first trenches formed between shallow trench isolation (STI) regions. The STI regions and first trench heights are at least 1.5 times their width. The STI regions are etched away to expose the top surface of the substrate to form second trenches between the first epitaxial regions. A layer of a spacer material is formed in the second trenches on sidewalls of the first epitaxial regions. Second epitaxial regions of a second type material are grown from the substrate surface at a bottom of the second trenches between the first epitaxial regions. Pairs of n- and p-type fins can be formed from the first and second epitaxial regions. The fins are co-integrated and have reduced defects from material interface lattice mismatch.

摘要翻译： 通过从在浅沟槽隔离（STI）区域之间形成的第一沟槽的底部的衬底表面外延生长第一类型材料的第一外延区域，形成不同的n型和p型器件鳍。 STI区域和第​​一沟槽高度至少是其宽度的1.5倍。 蚀刻掉STI区域以暴露衬底的顶表面以在第一外延区域之间形成第二沟槽。 在第一外延区域的侧壁上的第二沟槽中形成间隔材料层。 在第二外延区域之间的第二沟槽的底部的衬底表面生长第二类型材料的第二外延区域。 可以从第一和第二外延区域形成正对和p型翅片对。 翅片是共同整合的，并且从材料界面晶格失配减少缺陷。

公开(公告)号：US20140091361A1

公开(公告)日：2014-04-03

申请号：US13631417

申请日：2012-09-28

申请人： Niti Goel ,  Ravi Pillarisetty ,  Niloy Mukherjee ,  Robert S. Chau ,  Willy Rachmady ,  Matthew V. Metz ,  Van H. Le ,  Jack T. Kavalieros ,  Marko Radosavljevic ,  Benjamin Chu-Kung ,  Gilbert Dewey ,  Seung Hoon Sung

发明人： Niti Goel ,  Ravi Pillarisetty ,  Niloy Mukherjee ,  Robert S. Chau ,  Willy Rachmady ,  Matthew V. Metz ,  Van H. Le ,  Jack T. Kavalieros ,  Marko Radosavljevic ,  Benjamin Chu-Kung ,  Gilbert Dewey ,  Seung Hoon Sung

IPC分类号： H01L27/092 ,  H01L21/8238

CPC分类号： H01L27/092 ,  H01L21/0245 ,  H01L21/02538 ,  H01L21/823807 ,  H01L21/845 ,  H01L27/1203 ,  H01L27/1211 ,  H01L29/0649 ,  H01L29/0673 ,  H01L29/1054 ,  H01L29/1083 ,  H01L29/267 ,  H01L29/42392 ,  H01L29/66469 ,  H01L29/66545 ,  H01L29/66795 ,  H01L29/775 ,  H01L29/7849 ,  H01L29/785 ,  H01L29/7851 ,  H01L29/78696

摘要： An apparatus including a device including a channel material having a first lattice structure on a well of a well material having a matched lattice structure in a buffer material having a second lattice structure that is different than the first lattice structure. A method including forming a trench in a buffer material; forming an n-type well material in the trench, the n-type well material having a lattice structure that is different than a lattice structure of the buffer material; and forming an n-type transistor. A system including a computer including a processor including complimentary metal oxide semiconductor circuitry including an n-type transistor including a channel material, the channel material having a first lattice structure on a well disposed in a buffer material having a second lattice structure that is different than the first lattice structure, the n-type transistor coupled to a p-type transistor.

公开(公告)号：US20120193609A1

公开(公告)日：2012-08-02

申请号：US13442098

申请日：2012-04-09

申请人： Ravi Pillarisetty ,  Been-Yin Jin ,  Benjamin Chu-Kung ,  Matthew V. Metz ,  Jack T. Kavalieros ,  Marko Radosavljevic ,  Roza Kotlyar ,  Willy Rachmady ,  Niloy Mukherjee ,  Gilbert Dewey ,  Robert S. Chau

发明人： Ravi Pillarisetty ,  Been-Yin Jin ,  Benjamin Chu-Kung ,  Matthew V. Metz ,  Jack T. Kavalieros ,  Marko Radosavljevic ,  Roza Kotlyar ,  Willy Rachmady ,  Niloy Mukherjee ,  Gilbert Dewey ,  Robert S. Chau

IPC分类号： H01L29/66

CPC分类号： H01L27/092 ,  H01L21/02532 ,  H01L21/02546 ,  H01L21/283 ,  H01L27/088 ,  H01L29/0653 ,  H01L29/155 ,  H01L29/165 ,  H01L29/267 ,  H01L29/517 ,  H01L29/66431 ,  H01L29/66522 ,  H01L29/66553 ,  H01L29/775 ,  H01L29/7782

摘要： A quantum well transistor has a germanium quantum well channel region. A silicon-containing etch stop layer provides easy placement of a gate dielectric close to the channel. A group III-V barrier layer adds strain to the channel. Graded silicon germanium layers above and below the channel region improve performance. Multiple gate dielectric materials allow use of a high-k value gate dielectric.

摘要翻译： 量子阱晶体管具有锗量子阱沟道区域。 含硅蚀刻停止层提供了靠近通道的栅电介质的容易放置。 III-V族阻挡层增加了通道的应变。 通道区域上方和下方的分级硅锗层提高性能。 多栅极电介质材料允许使用高k值栅极电介质。